Welcome to radmon.org, thetechwizards! :)
thetechwizards have a GQ GMC-300 with M4011 tube.
Welcome eumaios! :)
eumaios has an RH DIY kit V3.1 with LND 712 GM tube.
Welcome Winst! :)
Winst has an RH MyGeiger with SBM-20.
Welcome radiotal! :)
radiotal has a DIY geiger counter GDC1.2.1 with an Si29BG tube.
Welcome cycologist! :)
cycologist has a GMC-320+ with SBT-20 tube.