This is a simple modification that takes around 5 minutes but makes a big improvement to the already great TM-V71. The fan on this radio is very loud and runs at full speed from the moment you press the PTT then stays on for a few minutes after you release the PTT. This isn’t a problem in a mobile setting where there is usually more background noise but it is very loud when using the TM-V71 in a quiet home shack.
Continue reading “TM-V71 fan upgrade”
GB3EK Repeater
I’m lucky enough to have been given to opportunity to become the next keeper of the GB3EK repeater, an iconic 70cm repeater on the South East coast with 40 years of history and service to the local Amateur Radio community.
Ardufox RDF transmitter V1
It’s been a long time coming but now, it’s here!
Ladies and gentlemen, I give you the ArduFox V1!
Simple stacked J-pole for 2M & 70cm
Following the death of my cheap fibreglass tri-band collinear, I decided to have a go at constructing a simple dual band antenna for use at home.
I was looking for something that was vertical, omnidirectional and with good gain that I could make quickly and easily. The answer came from Sean, M3FVB in the form of his excellent article on building a 8db collinear.
12 Element Yagi for 70cm
I love a good Yagi. I also love folded dipoles. So why not mix the two up and make a nice Yagi driven with a folded dipole?
This 12 element monster is easy to make and produces a theoretical 12.75 dBd gain. The dimensions were calculated using this tool. The details are: Continue reading “12 Element Yagi for 70cm”