Icom IC-2820H Replacement GPS Antenna

i happened to come across a second hand Icom IC-2820H Deathstar radio recently at a very good price and purchased it for the shack/one of the cars. BUT… it was missing the GPS antenna to allow DPRS (aprs for Dstar) and other positioning functions this radio offers. The GPS unit is supplied with the UT-123 Dstar…

Trying to overcome suburban noise

The other week, a friend of mine Rob VK2GOM shared a photo of a 1:1 current balun he had built to try and reduce some local noise issues he had at his home. His device had improved his experience. He chose 17 turns and the FT240-43 core based on info from this website Have a read of…

RaspberryPi Wview Weather Station

I’ve had my RaspberryPi for a while now, but lacked the time or ability to have a proper play with it. That changed the other night when a cheap HDMI-VGA adaptor arrived in the mail to allow me to connect the Pi to an old LCD monitor i have. (i got strange looks using the…

Noisy Home Internet Router

I have cable internet connected at home, I’m using the Optus hybrid fibre/coax network (HFC), recently I had some performance issues, the old modem had started to go a bit flakey and Optus came and swapped my faulty modem/router. Thats when the noise on HF started, s9 hash constatntly, mostly on 7MHz, but all over…

The Long Hard Road back to CW begins…

 So it has begun… I suspect my auto keyed memory will change form “do you have a microphone” to “QRZ?”.. I collected an old (but new) and new to me MFJ-564B Iambic Morse key from an old stock clear out at Strictly Ham had over Xmas as they moved form their old to new stores. It cost…

Radio Mobile Prediction Software

A nifty freeware bit of (windows) software for hams and other radio people is called “Radio Mobile”. This tool allows you to simulate and map predicted coverage of your location using terrain and clutter data and maps expected coverage into google maps. The windows version requires you to source the terrain and clutter data (easy…