Radiation Viewer
Reeve Observatory - Anchorage, Alaska USA
Geographic coordinates: 61.19928 °N : 149.95652 °W
Decommissioned 5 October 2021
All times in Coordinated Universal Time
(UTC)
Blue histograms: Counts in each 1 minute interval
Magenta trace: milliroentegen per hour (mR/h)
This page
automatically reloads the latest radiation plot every 5 minutes
Radiation data is updated every hour
Radiation Monitor: GQ Electronics GMC-600+ Geiger Counter
Detectable radiation levels ~ α: ≥ 2.5 MeV; β: ≥ 50KeV; gamma-x-ray: ≥ 10 keV
Geiger Counter commissioned 20 February 2021
Original Black Cat Radiation Monitor commissioned 3 May, 2011 and decommissioned 19 October 2018 because of chronic software instability problems