A quick post about my homebrew 100W dummy load.
Made following the excellent instructions over at http://www.k4eaa.com/dummy.html, the basic dummy load is easy to build, cheep and effective. Every shack should have one. I used a 1 Litre paint tin and filled it with liquid paraffin to keep things cool.
View full article »
I started to work on a simple APRS transmitter today so that I could use it as a antenna test bed for Project Swift.
It was very simple to build using only an Arduino Uno, a Venus GPS receiver a Radiometrix HX1 module (on 144.800Mhz) and an SMA PCB socket.
The completed board looks like this…
After playing around all day with the APRS message format, I managed to get it working and updating to aprs.fi via my own igate.
Next up will be a test with it installed in the car.
I’ve been using my Homebrew multiband HF vertical for a few months now and have decided that it’s time to have a go at laying a good radial system for it.
