Prior to 1989, it was illegal to operate between 50 MHz and 52 MHz in Australia. It was a real pain as that was where all the action was when the band opened up.
My original 6m radio – still works today
However, after many requests from the WIA to the DoTC back in 1989, it was agreed that this section of the 6m band could be used with some minor amendments.
VK5, VK6, VK8, VK9 & VK0
It was decided VK5, VK6, VK8, VK9 & VK0 stations may operate anywhere between 50 – 52 MHz provided there was no interference caused to the reception of Channel 0 transmissions up to a maximum of 400 watts.
VK2, VK3, VK4 & VK7 (eastern states)
Stations located in VK2, VK3, VK4 & VK7 are permitted to operate provided there was no interference caused to the reception of Channel 0 in the sub-band 50.05 – 50.20 MHz provided they are:
120 km from Channel 0 main television stations
60 km from Channel 0 translator stations
60 km from translator stations with Channel 0 inputs, and
They must only use emission modes of CW and SSB with a maximum of 100 watts.
VK1 ACT
Stations in VK1 can do the same as other eastern states but without the distance restrictions.
Today
Well that was back in 1989, today TV is all digital and the band is less restrictive now.
A short time ago I happened to make contact with Japan on 6m and also happened to be recording as well. You can watch the whole thing here:
I personally love 6m and the challenge of it. It works well locally and well when the band is open. But it can close suddenly without notice. Sometimes I’ve spoken long distances and either has received no signal strength at all, but a full S5 copy.
I also enjoy adjusting between vertical and horizontal polarisation.
If you enjoyed this read, please take the time to like and follow this blog. Or let me know what you think of 6m from where you are in the comments below.
If you enjoyed this read, here are some others you may enjoy.
Prior to 1989, it was illegal to operate between 50 MHz and 52 MHz in Australia. It was a real pain as that was where all the action was when the band opened up.…
I’ve heard a lot about dipole antennas, and I’ve heard a lot about long wire antennas also. I would say I’ve seen more dipoles than long wire antennas. So why is that? What is…
Repeater-START is a multi-platform app designed for ham radio and radio-operator enthusiasts who need fast access to repeater information. The app provides a detailed repeater map as well as a distance-sorted list, allowing users…
What Is the 6m Band? The 6-meter band, spanning roughly 50–54 MHz, is a section of the VHF spectrum assigned to amateur radio operators. Its wavelength is six meters, and its position between HF…
Overview The Anytone AT-778UV is a dual-band VHF/UHF mobile transceiver designed for amateur radio operators. It operates on the 136–174 MHz (VHF) and 400–490 MHz (UHF) bands, offering reliable two-way communication for both ham…
160 meters band is known as the “Gentlemen’s band”. It is right next to the AM commercial band, known as medium wave. The 160-meter band is the radio frequencies between 1.8 and 2 MHz.…
Have you ever had an antenna and forgotten what it is for? Maybe you have been given one and wasn’t told exactly what it was used for. I got given an antenna at at…
Yes, this popular girl name is actually an Amateur Radio term. Christian, DK8EW, put me onto Olivia after we chatted on VARA HF. I had heard about Olivia before, but he encouraged me to…
I’ve heard a lot about dipole antennas, and I’ve heard a lot about long wire antennas also. I would say I’ve seen more dipoles than long wire antennas. So why is that? What is the difference between them? Which is better? If one is a clear winner, why does anyone build the other?
A dipole antenna is one of the simplest and most widely used antenna types. It consists of two equal-length conductive elements, each about a quarter wavelength long, making the total length approximately half a wavelength. The antenna is center-fed, meaning the feedline connects at the midpoint, where the impedance is around 73 ohms, allowing for easy matching with standard coaxial cables.
The radiation pattern of a dipole is broadside to the antenna, producing a figure-eight pattern in the horizontal plane. This means it radiates most strongly in directions perpendicular to the wire. The dipole provides a predictable, efficient, and balanced pattern, making it ideal for both HF and VHF communication systems where simplicity and reliability are important.
A long wire antenna, on the other hand, is a single conductive wire that is much longer than half a wavelength—often several wavelengths long. It is typically end-fed, with one end connected to the transmitter through an antenna tuner or matching network because the impedance is very high, often several hundred to several thousand ohms.
As the wire length increases, the radiation pattern of the long wire antenna becomes more directional and complex, forming multiple lobes with maximum radiation along the wire’s axis. This makes it useful for long-distance (DX)communication and applications where directional gain is advantageous.
In summary, the dipole antenna is a balanced, center-fed, half-wavelength antenna with a simple broadside pattern, while the long wire antenna is an unbalanced, end-fed, multi-wavelength antenna with a directional, multi-lobed pattern. Dipoles are preferred for efficient single-band operation, whereas long wire antennas are favored for multi-banduse and HF communications when space permits long installations.
So what is your experience with these antennas? Which one do you prefer and why? Have you made your own or have you bought it? Please leave your comments below.
If you enjoyed this read, see below for more interesting information:
On the 10-metre band, 28.490 is the unofficial calling frequency for Australia and New Zealand. This is interesting as the Band plans state it is 28.390 as the recommended intra-VK calling frequency.
That said, 28.490 is more recognised as the unofficial calling frequency down under.
Most amateurs down under will listen to 28.490 on ten metres and put out a call there, but then QSY to another frequency 10 or 20 kHz away either after making contact, or before contacting another station by announcing where you plan to go.
160 meters band is known as the “Gentlemen’s band”. It is right next to the AM commercial band, known as medium wave.
The 160-meter band is the radio frequencies between 1.8 and 2 MHz. For many decades it was the lowest radio frequency band allocated for use by amateur radio, before the 630 and 2200 meter bands were introduced.
Amateur operators often refer to the 160 meters as the Top Band because it was for some time.
The 160-meter band is the oldest amateur band. Antennas are usually huge in size due to the wavelength at this frequency, making the higher bands a lot easier to get into given they have shorter wavelengths, requiring smaller antennas. Small antennas lead to less space required and less cost.
During the day propagation is limited to local contacts, but long distance contacts are possible at night, especially around sunrise and sunset.
How it started for me
The hobby started for me on Medium Wave, where I was shocked to receive long distance AM radio signals from interstate radio stations. The distances were huge, across countries if I was in Europe. As a kid I loved listening to interstate radio and sometimes phoned them to let them know. They were shocked I could hear them and often mentioned me by name soon after my phone call.
My Antenna’s
I’ve tried several antennas on this band. They include:
A horizontal dipole antenna. This worked really well though it was huge. The problem I had with this antenna was most people in my area use vertical antennas so they couldn’t hear me well.
A horizontal long wire antenna. This antenna was also huge, and also not vertical. So it worked well for close contacts, but not as good if I tried to contact a few suburbs away.
An inverted L antenna. This worked the best as my local contacts used vertical antennas. I tried to get the vertical part as high and as long as I could before doing that horizontal part. Given the length of the wire needed, most of the wire was still horizontal, but at least the first but was vertical. Though the secret to this antenna was the ground wires. I started with two of them and ran one around the house about 2 feet from the ground. The other was around the fence. I will put at least two more out which should also help improve things.
Summary
Getting on 160m was a bit of a challenge due to the wavelength. I could be heard on SSB, but AM was the biggest challenge. With AM, my radios would put out less watts so I had to rely more on my antenna.
Below is a small video of my 160m antenna and how I made the inverted L. With amateur radio, there will always be improvements and I am sure this setup isn’t the best, but it is a start and I learned what I could from the other amateurs who had already mastered this band.
Below is an extended video which goes into a bit more detail of how and why I did what I did. I adjusted all my HF antennas to make this 160m antenna work while not upsetting any of the other bands.
As I mentioned in both videos, I am not a professional, but an amateur radio operator and as keen to learn as anyone else. If you have any thoughts on this, I would value them in the comments below. It will not only help me, but others reading this. So don’t forget to have a look at what others have to say.
160m Coffee Break Net
Each weekday in Melbourne, there is a 160m Coffee Break Net. This net is a bit of a challenge to get onto because you must:
Have a full licence
Have a vertical antenna (which is the biggest challenge for 160m)
Have a radio that does AM, and puts a few watts out
As you can see above, I was able to make a 160m vertical antenna, so once I got this working, I was on the air! Many people try their dipole antenna, as did I at first, but on AM, it just doesn’t go far, and since everyone on the net is vertically polarised, they couldn’t hear me. I saw this as a challenge, and one worth trying.
Prior to 1989, it was illegal to operate between 50 MHz and 52 MHz in Australia. It was a real pain as that was where all the action was when the band opened up.
My original 6m radio – still works today
However, after many requests from the WIA to the DoTC back in 1989, it was agreed that this section of the 6m band could be used with some minor amendments.
VK5, VK6, VK8, VK9 & VK0
It was decided VK5, VK6, VK8, VK9 & VK0 stations may operate anywhere between 50 – 52 MHz provided there was no interference caused to the reception of Channel 0 transmissions up to a maximum of 400 watts.
VK2, VK3, VK4 & VK7 (eastern states)
Stations located in VK2, VK3, VK4 & VK7 are permitted to operate provided there was no interference caused to the reception of Channel 0 in the sub-band 50.05 – 50.20 MHz provided they are:
120 km from Channel 0 main television stations
60 km from Channel 0 translator stations
60 km from translator stations with Channel 0 inputs, and
They must only use emission modes of CW and SSB with a maximum of 100 watts.
VK1 ACT
Stations in VK1 can do the same as other eastern states but without the distance restrictions.
Today
Well that was back in 1989, today TV is all digital and the band is less restrictive now.
A short time ago I happened to make contact with Japan on 6m and also happened to be recording as well. You can watch the whole thing here:
I personally love 6m and the challenge of it. It works well locally and well when the band is open. But it can close suddenly without notice. Sometimes I’ve spoken long distances and either has received no signal strength at all, but a full S5 copy.
I also enjoy adjusting between vertical and horizontal polarisation.
If you enjoyed this read, please take the time to like and follow this blog. Or let me know what you think of 6m from where you are in the comments below.
If you enjoyed this read, here are some others you may enjoy.
Below is a list of Radio nets we have gathered from web pages around the world, as well as friends etc.
Clearly nets change all the time, so please let me know if there is anything you notice as potentially being wrong, needing to be updated, not clear of if you would like to add one you know.
You can then sync this calendar to your device so you have all the nets available just by clicking on the Add to Google Calendar button down the bottom. It will update as we are notified of changes.
I suggest you click on the weekly or daily view of the calendar below to see it correctly.
If you found something missing, or incorrect, or just have some suggestions, please send us a message via the form below. It will be great to hear from you.
While you are here, there is lots of other useful information on this site:
For some reason, not all the key assignment options are in the manual and after a bit of searching, I found no complete list. Hopefully this below helps you in selecting your Key Assignments on the main unit P1-P6 keys, as well as on the microphone PA-PD keys. I have listed them in alphabetical order however under it I have how I have my radio set up.
Selection
Description
A/B
Switch Main Display from A or B
BND
Bandwidth (adjust for low signals)
CAL
Calibration (non-functional)
CDT
CTCSS / DCS options
DIR
Direction of display
MON
Disables squelch
NULL
Will make button do nothing.
POW
Power Level, Low Med Hi
RDW
Dual Watch
REV
Reverse transmit offset and frequency
SCN
Scan, channels or frequencies
SFT
Frequency Offset
SQL
Squelch
TALK
Turns TX off for any particular channel
TRF
Busy channel lockout
VOL
Volume Level, press to change volume instead of channel
VOX
Vox toggle on or off
V/M
Switch from VFO to Memory Channel
Please let me know if I got any wrong or have missed one.
This is how I have set mine up, but as I use the radio, I will change this to suit my needs:
P1
A/B
P2
V/M
P3
MON
P4
SCN
P5
SQL
P6
VOL
P1 mode 2
DIR
P2 mode 2
SFT
P3 mode 2
RDW
P4 mode 2
POW
P5 mode 2
CDT
P6 mode 2
BND
PA
SCN
PB
VOL
PC
POW
PD
RDW
So what are your thoughts on this? How do you setup your radio? Please let me know via the comments below.
The Anytone AT-778UV is a dual-band VHF/UHF mobile transceiver designed for amateur radio operators. It operates on the 136–174 MHz (VHF) and 400–490 MHz (UHF) bands, offering reliable two-way communication for both ham radio and commercial use (depending on firmware version).
Power Output
This transceiver provides selectable power levels — typically 25 W, 15 W, and 5 W. These adjustable settings allow users to manage power efficiency, heat, and battery draw when operating from a 12 V vehicle power system.
Channel Capacity
The AT-778UV supports 200–250 programmable memory channels, making it versatile for storing repeaters, simplex frequencies, and emergency channels. Channel naming and scanning functions simplify navigation during mobile operation.
Display and Design
It features a color TFT LCD display with 180-degree rotation, allowing flexible mounting in various vehicles. The metal chassis and integrated cooling system improve durability and heat dissipation, especially during extended transmission periods.
Signaling and Features
Key functions include CTCSS/DCS, DTMF encoding/decoding, 2-tone/5-tone signaling, and ANI/PTT ID. These options make it suitable for both amateur repeaters and commercial communication networks, enhancing identification and access control.
Software and Programming
Users often mention programming challenges, particularly with USB cable drivers and COM port errors on newer Windows systems. The Anytone programming software or CHIRP can be used, but compatibility varies depending on firmware version.
Dual Watch
Some people hate Dual Watch, but this is mainly because they do not understand it. I think this radio does dual watch better than most and the reason is:
There is a sperate signal meter per zone making it clear which one you are listening to. I wish all radio’s did this.
When Dual Watch is on, you can see both the A band and B band, but when it is off, you can only see one band on the screen. Again, I wish all radio’s did this.
It says clearly on the bottom of the screen if you are on A or B band. I really wish all radio’s did this.
If you are not sure what Dual watch is, then have a look at this video. It is great when you are listening, but not talking to anyone and the repeaters are a bit quiet.
I had a few mic gain issues my my radio. Some have drilled holes in the microphone to fix this, but before you do this, it might pay to watch the following video.
Most owners praise its value for money, build quality, and audio clarity. Common complaints include menu complexity, occasional freezing, and scan delays. Overall, it’s regarded as a solid budget mobile ham radio with a rich feature set.
I do love how you can change the display on this radio and re-program the buttons. The following video with help you with this and show you what I mean.
There are several DMR networks around the world, and more and more start all the time. The Australian DMR network currently covers the entire country and is for Australian residents only.
It can often be hard to find which DMR repeaters are online, offline and where they are, especially if you travel a bit like me.
Here is a few links that may be of some use. Please let me know if these links no longer work.
If you want to check the status of these above repeaters, have a look at this page. It shows which ones are currently online, or offline.
Online repeater map is a great page showing all repeaters around Australia. It is well worth the look at if you are traveling or are going to be in Australia. https://www.onlinerepeatermap.com/
Another way is via the DMR database. If you put the start of the repeater call sign in the middle repeater section it will list the repeaters in your area. For example, all repeaters in my area start with VK3, so I put in VK3 in the middle callsign box and selected begins with and got a list of registered repeaters. This will work all over the world. https://www.radioid.net/database/search#!
Further Reading
Enjoyed what you read, here is some more interesting articles on this site you may enjoy.
Have you ever tried Band Stacking before? This is where you have three options per band every time you go to that band. For example, you may have one set up on SSB, one on CW and another on Data, all on the same band. You can easily switch between them all.
For example, if you are on 20 metres, press band and 14 again, and if band stacking is on, it will keep you on 20 metres but to the different stack. This different stack could have a different mode. You usually have three per band.
Have a look at the video for more on how to use it and turn it on:
The first thing I noticed after receiving the radio was the size of the radio. It is small yet not to small that it is hard to use. It fits comfortably in your hand.
Not only is it physically small, the price is amazingly small also. How I would have loved to have this radio when I started in the hobby 35 years ago!
Saying that, I see this as a great entry level budget radio. Or a small radio for camping or in the car rather than putting an expensive radio in.
The GT-5R PRO is an enhanced version of the classic GT-5R, capable of receiving a wider range of frequency bands including UHF, VHF, FM, NOAA, Airband, 1.25M, and 1M.
I was easily able to program the radio via the keypad putting in my local repeaters with the required offset and tone squelch. But it was even easier to program it via Chirp Next and I have a video on how to do that.
It is a 5 watt radio complete with VOX if you want to go hands free.
The GT-5R PRO is fully compatible with the UV-5R’s accessories. Such as the car charger, speaker mic, ear piece, antennas plus more.
The GT-5R Pro comes in a standard single-unit version as well as a kit version that includes a long antenna and programming cable. I got the kit version, so be shore when purchasing you know if you want the kit or the single unit version.
Contents • Radio • Fast desktop charger • Antenna • Long antenna • Li-lon battery pack • Wall adapter • Belt clip
It supports UHF VHF dual band transmission and a wide range of reception frequency bands, including 136-174MHz, 400-520MHz, 76-108MHz, 108-136MHz, 200-260MHz, 350-390MHz, and NOAA weather channels.
Receiver Frequency: FM 76-108 MHz; AM 108-136 MHz; VHF 136-174 MHz, 220-260 MHz; UHF 350-390 MHz, 400-520 MHz
Transmission Frequency (US version): 144-148 & 420-450 MHz Transmission Frequency (EU version): 144-146 & 430-440 MHz
It has 128 memory channels and I love how when you program them from the radio, you can see what has already been used.
50 CTCSS tones and 210 DCS codes
SOS Emergency function
FM radio receiver (87.5-108MHz)
Channel or frequency mode selection
TOT (Time out timer)
Reverse function
CTCSS and DCS codes research
Busy Channel Lockout function (BCL)
Frequency step: 2.5/5/6.25/10/12.5/25KHZ
Repeater shift
VOICE: vocal indication of the function selected
Li-lon battery pack
VHF and UHF bands and channel name displayed
Squelch adjustable in 9 levels
1750Hz tone for repeaters
LCD display with backlight adjustable in 3 colours
VOX, Scan, Dual Watch functions
Power Save
DTMF function
Alarm function
Setting and storing of channel names
High/low power selection
Frequency offset (adjustable): 0-69.990MHz
2pin Kenwood accessory jack
Keypad lock
Battery allows direct charging from the DC port
Testing
I quickly made some contacts on both 2m and 70cm and both said my audio was great. I swapped antennas halfway though a conversation and found the small antenna better but that was just for one repeater. I plan on doing more tests in the coming weeks.
Programming Tip
Did you know you can program these radios via Chirp? Here is a great tip you may like with chirp.
When I received the radio, I was stunned at the price and thought I can’t really go wrong here. I didn’t check the hypnotics but everything else I checked worked well.
It is a Tri-Band radio which includes UHF, VHF, 1.25M, and multi-band reception (VHF, UHF, FM, Airband, 1.25M, 1M, NOAA).
It does a huge 10W which isn’t bad for a hand held. But also does 10W, 7W, and 4W output.
It has several ways to charge it. The 2500mAh rechargeable battery lasts a long time even on high power, and doesn’t take long to charge either. You can recharge via the new Type-C port cable, or recharge using the included desktop charger.
While the radio does come with its own software, I love it is Chirp Programmable. It means you can continue to use software you are familiar with and import repeaters from repeaterbook for example.
Using the radio while fishing
The radio has a 1.77-inch LCD display and a robust 2500mAh rechargeable battery
You can keep your conversations private using the scramble function, but just check first you can use this feature. I noticed it works well when signal levels are high.
Some of the things I didn’t like
The hand speaker mic felt a bit cheap as mine had a switch that made a lot of noise when you shook it. That said, it worked fine and no one said I sounded any different. It also has a nice adjustable clip that you can rotate.
You could say every amateur radio operator knows about the Baofeng if they have been around long enough. Most have held one of their radios and lots have at least one. They have made a huge amount of radios.
According to their website, they have been around fifty years now. However other information I found contradicts this.
Owning a R&D team with 50 years experience in the field of wireless communication. Having launched the Baofeng series of wireless walkie-talkies and related ancillary products.
But how big are they? Do they just build radios and then tweak them to launch another one or are they bigger than that?
Again, according to their website:
Total employees over 1500+. Our factory locates in Changfu Industrial Zone, XIamei of Nan’an, Quanzhou, Fujian province, China.
So what does Baofeng mean in English?
storm wind storm
bào fēng. storm wind storm (force 11 wind)
Baofeng Radio Information
After a bit of research, this is what I found.
Baofeng, a Chinese manufacturer, was founded in 2001 by Mr. Wang Jinding founded Baoan Electronics Co., Ltd. in Nan’an City, Fujian Province in Nan’an City, Fujian Province. In 2017, Fujian Nan’an Baofeng Electronics Co., Ltd. changed its name to Fujian Baofeng Electronics Co., Ltd.
It gained prominence with its Baofeng UV-5R dual-band radio, which became popular for its affordability and features, but also faced regulatory scrutiny due to potential frequency interference.
Fujian Baofeng Electronics Co., Ltd. was founded in 2001 as a high-tech enterprise focused on research, development, production, and sales of radios.
The Baofeng UV-5R, a dual-band radio, became a global sensation in 2012 due to its affordability and features, particularly its ability to operate on both VHF and UHF bands.
However, the UV-5R, and other similar radios, faced regulatory issues in countries like Switzerland, Germany, Poland, and South Africa, due to concerns about frequency interference and the lack of certification in some regions. In the United States, the FCC cited Baofeng for illegally marketing the UV-5R, which was “capable of operating outside the scope of its equipment authorization”. The UV-5R served as a basis for numerous other models, with vendors able to create private-labeled versions, according to CHIRP.
The German Federal Network Agency banned the UV-5R because it dampens harmonics poorly, potentially disturbing other users, and the Independent Communications Authority of South Africa issued a ban after finding the UV-5R to be causing radio frequency interference and for having continuous tuning capabilities, a feature that would require an operator obtain a Frequency allocation license before purchasing or using the device.
Baofeng Models
This website I think only shows a fraction of the radios Baofeng have made and sold. For example a Pro version will be very similar to the original version but comes with so many more things, it is almost a new radio.
In my experience, you either love them starting at their cost, or hate them. It’s well known that some of cheap in price and quality, but this is perhaps the earlier models. If you love them, then they will bread like rabbits, if you hate them and own one, it will probably be sitting at the back of the draw or behind a box somewhere out of site.
There are so many models available now. So if you are wanting a hand held radio and on a budget, do your homework well. Just because it may be the latest model, doesn’t mean it has everything all the other models have.
Baofeng Radios Reviewed
Below are the Baofeng radios I have reviewed on YouTube. Hope you enjoy them.
I recently got my hands on a new Baofeng UV-17R Plus Series radio. It didn’t take long at all to arrive and was not expensive at all. People these days pay more for a UHF CB radio than a radio that does all this can do.
My last Baofeng radio is a GT-3TP which you can still purchase new. It also works well and have always received good reports from it.
The UV-17R Plus is an upgraded version of the UV-17R handheld with the following: extras
an expanded receiving frequency band (encompassing aviation and police bands in the US),
an extended battery boost from 1800mAh to 2500mAh (that works out to about 40% more charge),
a quick USB-C charging plug and cord, and
it also has a new voice scrambler function.
Some of the things I liked with the new UV-17R Plus Series includes:
The look and feel of the radio. This includes the bright display, feel and position of the buttons, large LED lights, and easy antenna swapping as the area is wide. I also like the speaker behind the keypad, this saves room and is an area you never cover with your hand either. The text on the display is far easier to read than older models inside and in the sunshine.
The new USB-C charging is so much better. You don’t have to bring a charging cradle anymore when you leave the house, and can even charge it in the car easily.
Customising DTMF is easy via the # key. It will also search for a used frequency then will display what CTCSS or DTMF is used. This can quickly be saved as a channel also.
Secure conversations – I couldn’t test this as I only have one radio, but agree this is a good feature. However, I did talk on it myself and my digital scanner couldn’t decode it.
The weather feature would be good if you are in a country that uses it. Australia does not. I could see this being a great radio in an emergency with the LED lights.
The user manual is well put together and entirely in English. A PDF version is available online also.
The radio can be programmed directly, or your PC via several different software options. I have done a video on this below if you want to see this.
It comes with an 18-month warranty.
Here is a video where I unbox the radio and show what is included in the package. If it is helpful to you, please press the like button.
Below is another video showing some of the features that the radio has. While I don’t show you them all in action, it will at least give you an idea of how the radio works.
If you want to get connected into the Baofeng community, have a look at this groups id where others comment and are there to help. https://groups.io/g/BaufangRadios
This is a great radio for the price. It does far more than I thought it would and I am sure will get a lot of use out of it. I was initially concerned it may be hard to use because of the price, however, was pleasantly surprised how easy it was to program.
Below is a video I did showing you how to program the radio via a PC using Chirp-Next.
Hope you have got something from this to help you in the hobby. If you go via this link, you will get a discount: for this radio and anything else on their website https://radioddity.refr.cc/bensangster
If this has been helpful, please let me know. Perhaps you have one of these radios and have thoughts of your own, I would value your commitments below.
Other reads
If you enjoyed this review, please see below some of my other articles.
I’ve heard several amateur radio operators say they are running a Barefoot setup. But what does it mean?
It has nothing to do with what is or is not on your feet. But simply means transmitting without an amplifier.
While power helps, the best thing you can do to fix your signal is your antenna. It doesn’t matter how much power you put out if your antenna is facing the wrong way, or not tuned in correctly. If you are struggling to be heard and sure your radio is set up correctly, I would look at the antenna first.
Some operators think there are two types of radio setups, thoughts with amplifiers, and thoughts without. Some see using an amplifier as cheating. I am not sure I would go that far, but if you are putting out a thousand watts, then yes people will hear you, but this doesn’t help you hear them when they put out 100 watts.
So, are you a barefoot operator or not? Perhaps you are on some bands or radios, but not on others?
I’ve heard a lot about dipole antennas, and I’ve heard a lot about long wire antennas also. I would say I’ve seen more dipoles than long wire antennas. So…
Repeater-START is a multi-platform app designed for ham radio and radio-operator enthusiasts who need fast access to repeater information. The app provides a detailed repeater map as well as…
What Is the 6m Band? The 6-meter band, spanning roughly 50–54 MHz, is a section of the VHF spectrum assigned to amateur radio operators. Its wavelength is six meters,…
Overview The Anytone AT-778UV is a dual-band VHF/UHF mobile transceiver designed for amateur radio operators. It operates on the 136–174 MHz (VHF) and 400–490 MHz (UHF) bands, offering reliable…
160 meters band is known as the “Gentlemen’s band”. It is right next to the AM commercial band, known as medium wave. The 160-meter band is the radio frequencies…
Yes, this popular girl name is actually an Amateur Radio term. Christian, DK8EW, put me onto Olivia after we chatted on VARA HF. I had heard about Olivia before,…
The Yaesu FT-620 (and its updated version, the FT-620B) is a vintage amateur radio transceiver designed specifically for the 6-meter band (50–54 MHz). Produced in the 1970s, it offers support for AM, CW, and SSB…
Key Assignment For some reason, not all the key assignment options are in the manual and after a bit of searching, I found no complete list. Hopefully this below…
Everyone that has been into radio for a while will know the brand Kenwood. And most know Kenwood isn’t only into Amateur radio, they are bigger than that, and…
Have you ever had an antenna and forgotten what it is for? Maybe you have been given one and wasn’t told exactly what it was used for.
I got given an antenna at at ham fest because it didn’t sell. Funny enough after I got it, many came to me very interested in it. I wasn’t sure what it did, but I could tell someone had put a lot of effort into it.
I had my theories as to what band it was resonate on, but I wanted to be sure. By just looking at it, it gave me many clues, like the length of the antenna, the length of the radials, the amount of radials, and how it was made.
Watch this video as I unlock my theory on what the antenna was made for. See if you can guess. Do you think I am right or wrong? Perhaps you have another theory or even know who made it. I would love to hear in the comments what you think.
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Christian, DK8EW, put me onto Olivia after we chatted on VARA HF. I had heard about Olivia before, but he encouraged me to give it ago.
Soon I made contact with VK4XP and must say it is a great digital format, though I understand a lot feel voice to voice is better (as I do). That said, this digital mode doesn’t require as much bandwidth, so has the potential to go further. The typical Olivia signal can still be decoded when the amplitude of the noise is over ten times that of the Olivia signal which is amazing.
Olivia is part of the family of MFSK modes and has a high redundancy Forward Error Correction system similar to MT63. The MFSK family is very large with many modes, so it can make it very difficult to work out which is which when you hear it. Olivia works really well on poor HF paths.
Olivia digital modes are commonly referred to by the number of tones and the bandwidth, in Hertz, used. Therefore, it is common to express the Olivia digital mode as Olivia X/Y (or Olivia Y/X ), where X refers to the number of different audio tones transmitted and Y refers to the bandwidth in hertz over which these signals are spread. Examples of common Olivia modes are 8/250 (meaning, 8 tones/250-Hertz bandwidth), 16/500, and, 32/1000. There are three popular Olivia modes, which is 8-FSK, 16-FSK and 32-FSK, that have three, four or five bits per symbol.
Olivia QSO Formats
Format Bandwidth / Tones
Audio Centre Marker (Hz)
Baud
Decode S/N Radio (dB)
Speed WPM
500/16*
750
31.25
-13
19.5
1000/32*
1000
31.25
-12
24.4
500/8
750
62.5
-11
29.3
1000/16
1000
62.5
-10
39.1
500/4
750
125
-10
39.1
250/8
625
31.25
-14
14.6
* Is the most common Olivia format in use currently
Here is a video that will give you more information:
While Olivia could acutally be used anywhere in the data allocated area on HF, however you may not find anyone if you are not on the right frequency. Below is the suggested calling frequencies used around the world:
I’ve typed to many people around the world on this mode and surprised how well it works when conditions are not great. The software tells you if there is another conversation on the band also which is handy.
There are a few protocols, like using BTU (back to you) on your last line and some shortcut typing which isn’t the same as the youth of today use in text messages!
While I still prefer voice contacts with people, at least this option is a conversation and something different when conditions are not favourable.
What are your thoughts on this mode? Have you tried it? Have you had success? What radio and band did you try?
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The Yaesu FT-620 (and its updated version, the FT-620B) is a vintage amateur radio transceiver designed specifically for the 6-meter band (50–54 MHz). Produced in the 1970s, it offers support for AM, CW, and SSB (USB/LSB) modes, making it a versatile rig for its time, especially during the era when 6 meters was gaining popularity for both local and DX communications. It was part of Yaesu’s early generation of VHF monoband rigs, built with a solid metal chassis and analog controls, reflecting the rugged, durable engineering of the period.
In terms of performance, the FT-620 delivers approximately 20 watts PEP on SSB and CW, and around 4–8 watts on AM. Receiver sensitivity is quite good for a rig of its era, typically around 0.5 µV for 10 dB S/N in SSB/CW modes. The transceiver divides the 6-meter band into multiple segments using a bandswitch, and offers decent selectivity for SSB and CW operation. It can be powered from AC mains or 12–14 VDC, providing some flexibility for mobile or backup use. However, it lacks FM capability, which limits its use with modern 6m FM repeaters or simplex FM operations.
While the FT-620 is highly regarded for its build quality and straightforward analog operation, it does show its age. There’s no digital display, DSP, or modern filtering, and some units may require refurbishment—such as replacing aging capacitors or realigning circuits for optimal performance. Its bulk and weight (~8 kg) also make it less convenient for portable use. Nonetheless, for those interested in classic radios or operating 6 meters on SSB/CW, it remains a capable and enjoyable rig, particularly when paired with a good antenna.
Overall, the FT-620 is best suited to enthusiasts who appreciate vintage gear and are willing to maintain it. It still holds practical value today in the right hands—especially for those focused on SSB or CW operation during band openings. While it won’t compete with modern rigs in terms of features or integration, its simplicity, durability, and vintage charm continue to appeal to collectors and seasoned hams alike.
See my video below where I fire it up and give it a test.
See me fire up this old girl
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I came across something different, FreeDV. The name FreeDV insinuates it is free, but is it? What is it? And what does it do?
They say it will be the new SSB of radio. They say it is clear and goes further when conditions are not great.
Here is what else I found:
FreeDV is an open-source digital voice mode designed for amateur radio operators, enabling digital communicationover HF (high-frequency) bands. It uses the Codec2 audio codec for low bit-rate voice compression, allowing clear voice transmission in narrow bandwidths (typically 1.1–1.6 kHz), which is more efficient than traditional SSB (Single Sideband).
The system requires:
A computer with the FreeDV software,
An HF transceiver, and
An audio interface or sound card for connection.
As a free and open-source project, FreeDV supports experimentation, digital innovation, and promotes efficient spectrum use within the ham radio community.
Rade
RADE V1 (Radio Autoencoder) is the latest digital voice mode introduced in FreeDV 2.0.0 (released June 2025). It combines Machine Learning (ML) and Digital Signal Processing (DSP) to provide a neural voice codec optimized for HF (high-frequency) amateur radio.
Key Features:
ML-based autoencoder architecture integrates voice compression, modulation, and error correction.
Operates within 1.5 kHz bandwidth, suitable for narrowband HF channels.
Achieves intelligible voice transmission down to –2 dB SNR, outperforming analog SSB and earlier FreeDV modes like 700D or 1600.
Uses the Codec2 framework as part of its signal chain.
Performance & Enhancements:
Enhanced voice quality, robustness under weak-signal, fading, and QRM conditions.
Integrated with FreeDV Reporter and PSK Reporter for real-time signal tracking.
Latest builds (e.g., 2.0.0‑20250130) include:
Live SNR monitoring
Improved sync algorithms
Optimized C-based signal processing backend
Signed macOS binaries, and better Python startup performance
Some FreeDV videos
Below are some videos I’ve done on this project.
I’d encourage you to give FreeDV a go. It seems to work well and so clear. But I am keen to hear what your thoughts are on this? Have you used it? Have you tried? Please let me know in the comments.
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Everyone that has been into radio for a while will know the brand Kenwood. And most know Kenwood isn’t only into Amateur radio, they are bigger than that, and have been also. But are you sure it started in Japan? What else do they make? How big are they today? And what does the name Kenwood stand for?
Kenwood is a Japanese brand of consumer electronics.
In December 1946, Kenwood was established as the Kasuga Radio Co. Ltd. in Komagane, Nagano Prefecture, Japan
In 1958 the company put its first amateur radio on sale.
In 1960, the company was renamed Trio Corporation.
In 1962 they launched the industry’s first transistor amplifier
In 1963, the company established its first overseas office in Los Angeles County, California, United States. It began to sell overseas.
During the 1960s, Trio’s products were rebranded and sold by the Lafayette Radio Company, which focused on citizens band (CB) radio.
The name Kenwood was invented by Kasuga as a combination of
“Ken” which is a name common to Japan and North America and was considered acceptable to American consumers, and
“Wood” which was referring to the material wood, as well as suggesting a relation to Hollywood, California.
In 1966 they introduced the fully transistorised audio products for the first time in the industry.
In 1969 the TR-7100 2m amateur radio for the car goes on sale.
In 1979 the company established the first production overseas in Singapore.
In 1986, Trio acquired Kenwood and subsequently rebranded itself as Kenwood Corporation. This was because Kenwood was more widely recognised than Trio.
In 1991 Kenwood signs an official supply contract with McLearen to provide wireless radio equipment for the F1 Championship
In 1992 they produced their first car navigation system
In 1995, the Mir Space Station carries Kenwood’s amateur wireless equipment.
In 1996 the company was renamed from Tri-Kenwood to Kenwood which coincided with the company’s 50th anniversary.
In 1997 Kenwood made Japan’s first car mounted DAB receivers.
In 2001, Kenwood releases its first digital transceiver operating on P25.
In 2002 they withdrew from the test and measuring equipment business
In 2005, Kenwood joins up with Icom to jointly research the standardisation of technical specifications for digital wireless radio equipment (NXDN).
Since October 2008, Kenwood has been owned by JVC-Kenwood because of a merger between Kenwood Corporation and JVC.
Kenwood has manufactured electronic equipment such as
AM/FM stereo receivers,
cassette tape decks/recorders,
amateur radio (ham radio) equipment,
radios,
televisions,
mobile phones,
speakers, and
other consumer electronics.
Radio
Kenwood has produced two-way radios for a variety of communications standards, including:
wireless DECT intercom systems,
the radio frequency PMR446 and its digital counterpart DPMR446,
DPMR, the Project 25 standards suite,
DMR and
NXDN
Kenwood Today
The Kenwood radio catalogue of today shows what radios they are selling now.
These include
hand held radios that are single, dual and tri band radios
Mobile dual band radios some complete with remote heads. Again single and dual band radios.
All band HF radios some small, some are large and covered in buttons and options
And all band HF, VHF and UHF radios
Today their website shows they are into
Car electronics including digital technology and enhanced in-car comfort and navigation. They have some very cool photos of their motorsports equipment on their website. https://www.kenwood.com/e/motorsports/
Communications using digital technology handheld and base stations, from Professional through to CB radios
Audio and digital communications
Kenwood Logo
So, what do you know about the Kenwood logo?
If you go to their smart website, you can see the red triangle in the logo isn’t there to just look pretty.
The red triangle is the core part of their logo and represents the three values of the Kenwood brand.
Advanced
High Quality
Sharpness
But it doesn’t stop there, the four corners of the W stands for
Precision
Innovation
Emotion
Communication
Your thoughts
So, what do you think, does Kenwood measure up to your expectations? Tell me in the comments below.
What Kenwood radios did, or do you have? What did you think of it? I’d love to know.
For me, I have had a few but still use occasionally the Kenwood TS-120V. It was one of my first HF radio’s and I bought it before the internet was available. I though it was the 100W version, but quickly found out it is not. That said, I enjoy using it every now and then.
So, what did what you learn? I know I learnt a bit. I’m keen to hear what you learnt today.
How many of the Kenwood Radios do you know that I have shown in this video?
If you enjoyed that read, then you may enjoy some of these, including my post on Yaesu which is just as informative.
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The Yaesu FT-620 (and its updated version, the FT-620B) is a vintage amateur radio transceiver designed specifically for the 6-meter band (50–54 MHz). Produced in the 1970s, it offers support for AM, CW, and SSB (USB/LSB) modes, making it a versatile rig for its time, especially during the era when 6 meters…
I came across something different, FreeDV. The name FreeDV insinuates it is free, but is it? What is it? And what does it do? They say it will be the new SSB of radio. They say it is clear and goes further when conditions are…
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As licensed Amateur Radio operators, we have all heard about Yaesu. We have all seen a Yaesu radio and most of us have used and even own one.
I’ve had and have several Yaesu radios. From extremely old ones full of valves and extremely heavy. One can only assume they were transported to where we live by sea and not air given their weight.
But what do you know about the company Yaesu? We can assume it is or was a Japanese company, but I just felt there might be something interesting about the history of this company. Let me show you what I found after some research.
Let’s go to the beginning
Prior to 1959 Sako Hasegawa had been operating a company called General Television Co Ltd in Ota-ku, Tokyo since 1956. His first SSB Equipment had been manufactured under the General Television Co Ltd name in 1957. Sako Hasegawa’s ambition seems to have been to design and manufacture modern HF single sideband equipment for the amateur radio market.
Yaesu is a Japanese brand of amateur radio equipment, founded as Yaesu Musen Co. Ltd. in 1959 by a Japanese radio amateur Sako Hasegawa call sign JA1MP. He lived in Yaesu, Japan, a district of Tokyo.
Yaesu Musen Co’s first product was a crystal controlled monoband 40 metre transmitter, the FL-10/40. The second radio was released soon after the first which was a 5 band crystal controlled mechanical filter HF transmitter called the FL-20.
Yaesu had initially been formed with the intention to develop and manufacture commercial and amateur radio transceivers just for the Japanese market, but only five years after its formation, the company had signed foreign sales agreements for export to Australia and Germany.
Bail Radio & TV Service sold the FL-100B direct throughout Australia from their premises in the Melbourne, Victoria, suburb of Box Hill.
1963 and the Swiss
In Europe, the equipment was sold under the Yaesu brand and the Sommerkamp brand. In 1963, four years after the company started, the Swiss firm Sommerkamp imported Yaesu equipment and sold it using their own brand.
1965 and the Americans
In 1965, Yaesu’s equipment was first imported into America by Spectronics, Inc. located in Signal Hill, California. Today most companies try to import into America first, but that isn’t Yaesu’s story.
Yaesu became an important presence in the American amateur radio market with the introduction and improvement of its very popular FT-101 in the 1970s.
FT-101
The FL-100 was a crystal controlled 5 band HF transmitter but with an SSB power input of 100 watts PEP.
Sako Hasegawa death
Sako Hasegawa, who founded the company, died in 1993. Following his death, Jun Hasegawa took over as managing director.
1998 Vertex Standard
Yaesu Musen acquired the STANDARD radio equipment brand from Marantz Japan in 1998 and changed the company name to Vertex Standard Co. Ltd.
2007 Motorola
Vertex Standard didn’t last long by itself. In 2007, Motorola announced its intention to purchase 80% of Vertex Standard and form a joint venture with Tokogiken (a privately held Japanese company controlled by Jun Hasegawa), which would hold the other 20%. This deal was completed in January 2008. The joint venture was dissolved effective January 1, 2012.
The Vertex Standard land mobile division operates as a wholly-owned subsidiary headquartered in Tokyo, Japan. The Amateur Radio, Airband and Marine Radio business was transferred to the new company “Yaesu Musen”.
Taken from Motorola’s website, Motorola Solutions combined the best of Vertex Standard’s portfolio with our industry-leading two-way radio lineup.
2000’s Minimal – Shift – Keying
In the early 2000s, minimum-shift keying (GMSK) technology emerged in amateur radio. It was the dominant digital mode.
2013 – Digital Mode “Fusion”
In 2013, YAESU launched its own digital mode of operation for amateur radio known as: “System Fusion”. Or known as Fusion.
Like most other digital modes, Fusion utilises a narrower radio bandwidth. However, with System Fusion, Yaesu gave it special attention to compatibility with analog FM radio. Their intended goal was to simplify migration of the existing amateur radio repeaters from analog to digital.
Yaesu is the only company with System Fusion-enabled devices.
C4FM
C4FM, or Continuous Four-Level Frequency Modulation, is a digital communication mode used in amateur radio, particularly by Yaesu and System Fusion radios. It is a type of 4FSK (Four-Frequency Shift Keying) that, when combined with FDMA (Frequency Division Multiple Access), allows for digital voice and data transmission.
C4FM offers features like digital voice with clear audio, data transmission, and internet connectivity through WIRES-X nodes, enabling features like real-time navigation and text messaging.
The System Fusion communication protocol enables devices to analyze an incoming signal and automatically determine if it is using C4FM or conventional FM mode. System Fusion also enables data transfer at full rate with speeds reaching up to 9,600 bits per second.
Other Popular Digital Modes
ICOM developed devices using the D-STAR protocol. Other brands use DMR, among other modes. The list goes on and on.
My thoughts on Yaesu
For what it’s worth, I’ve always been happy with Yaesu products. I have several radios with their name on it and have never had a problem with them.
Yaesu Musen, is still a Japanese company. It is a well-known manufacturer of amateur, marine, and commercial radio equipment. Yaesu is well recognised for its amateur radio equipment.
So tell me, what are your thoughts on Yaesu? What products do you have of theirs? Do you like their products? Do you prefer something else? Perhaps you liked their earlier products compared to their current stock? Please share your thoughts in the comments below so others can see.
Yaesu did not play any part in this post. It is just information I found out about the company.
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I’ve been using the Parks and Peaks app on iphone and ipad for a little while now and quite enjoyed it. There don’t seem to be many iphone apps compared to android, so when there is one, I usually have a look. This one caught my eye as it was not only free, but useful.
After using it for a while, I contacted the author of the app, Sue Southcott, VK5AYL where she was thrilled that I would do a review on this free app, and provided me with a bit more information about her and the app.
The current version is for iphone only at this stage, but I think there are plans to expand this. It allows users to Spot, Alert and export in ADIF and or spreadsheet format.
The app also allows users to search for sites including parks, peaks and silos by site ID. Or you can search by partial site name or by using the inbuilt map.
Setting up the map and connecting site data by longitude/latitude co-ordinates has been Sue’s favourite part. Sue said “I already had the experience of connecting data to mapping systems during my career.
The following awards are handled – WWFF, SOTA, HEMA, IOTA, KRMNPA, SANPCPA, SIOTA, SHIRES, ZLOTA & POTA.
Parks & Peaks is an Australian website that collects data from Amateur Radio operators who get out of their shacks and operate their radios portable in parks or on peaks. It also collects data from those who Spot them.
AU/NZ sites can be downloaded to the device for use when there is no network available.
It will also produce multiple logs for one activation, so if you are on a Summit in a WWFF Park with a Pota reference, you will get 3 logs, one for SOTA, one for WWFF and one for POTA.
There is also a quick way to log activators as I show in the video below.
About Sue VK5AYL….
Sue has had her Advanced Amateur licence for a very long time and it led to her decision to study IT back in the 80s.
For over 30 years, she had a successful career as an IT Manager, Analyst/Programmer, TAFE Lecturer and even my own software business, contracting to many organisations.
Most of her work involved working on client/server applications for large businesses.
In 2014, Sue decided to learn how to write an iOS app and along came Parks & Peaks, which gave me something to work on. After purchasing a Mac Pro Sue had to learn how to use it very quickly, along with the new Apple language.
In 2015, Sue presented version 1 to the WIA AGM in SA. Since then, Sue has released versions 2 and 3 and compared to version 1, they had many more features. Sue told me she loved every minute of developing the app as it has been a massive challenge and allowed her to continue with my love of programming.
Why not have a look at my video on this app where you can see it in full operation:
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