ON7DQ (KF0CR) HAM Radio Blog

Doing the same SOTA Winter Tour every year gets a bit boring after a while, so this year I decided to do the tour in reverse. And to have so...

  I have seen this cheap little tuner pop up in newsgroups, and on numerous websites, so finally decided to "see for myself" what ...

When you look at the SOTA reflector, it seems like every SOTA activator has built this LoRa APRS Tracker. There are now already 10 threads o...

  A small and simple CW keyer with Digispark (*** or an empty ATTiny chip) I am a big fan of Arduino programming, but I had once ordered 5 v...

This day saw some 240 km of driving, one last SOTA activation ...and rain again ! FL/VO-023, Le Donon - 1007m, 10 points I activated this su...