Welcome alexsgv to radmon.org!
alexsgv has a GC320+ with M4011 tube.
Welcome Natrix to radmon.org!
Natrix has a radmon.org radbox-20 with SBM-20 tube, outdoors.
Thank you for your support!
Welcome W8HF to radmon.org! :)
W8HF has a MightyOhm geiger counter with SBM-20 tube.
Welcome tyler_schulz to radmon.org! :)
tyler_schulz has a GC300 geiger counter.
Welcome wolfgang1989 to radmon.org! :)