Observed solar radio maps at 37 GHz on 21-12-2018:
Max. Temp: 105.80 % of QSL, time: 20181221100738 (yyyymmddhhmmss), STATUS: Low activity
Max. Temp: 104.95 % of QSL, time: 20181221101046 (yyyymmddhhmmss), STATUS: Small activity
QSL at 37 GHz is 8200 +/- 500 K.
 
Detected solar events at 11.2 GHz on 21-12-2018:
Event 1: Flux: 208.40 SFU, time: 201812211443484995 (yyyymmddhhmmssFF), LEVEL: WEAK
Check the flare profile: http://www.metsahovi.fi/Sunant/20181221.png