Welcome hrduerr to radmon.org!
hrduerr has a BroHogan GK-RadMon kit with SBM-20 tube.
Welcome gpeter to radmon.org! :)
gpeter has a GQ GMC-320+ with M4011 tube.
Welcome marki555 to radmon.org! :)
marki555 has a DIY Geiger Counter from RH Electronics with SBM-20 tube.
Welcome dogermon to radmon.org! :)
dogermon has a BroHogan GK-B5 geiger counter with STS-5 tube.
Welcome mnrad to radmon.org! :)
mnrad has GMC-300E Plus Geiger counter with an M4011 tube.