User:SV1XV
From HFUnderground
This is Costas SV1XV.
Please visit my website http://www.qsl.net/sv1xv and my blog http://sv1xv.blogspot.com
I also have a collection of photographs and other images on http://www.ipernity.com/doc/777361
73
Interesting stuff
Beacons
- HiFER
- High Frequency Beacon
- Letter beacon
- LowFER
- Part 15 Beacons
- Pictures of high frequency beacons
- Radio beacon
- Radio propagation beacon