Observed solar radio maps at 37 GHz on 21-04-2021:
QSL at 37 GHz is 8200 +/- 500 K.
 
Detected solar events at 11.2 GHz on 21-04-2021:
Event 1: Flux: 185.41 SFU, time: 202104210358324995 (yyyymmddhhmmssFF), LEVEL: WEAK
Event 2: Flux: 115.76 SFU, time: 202104210406534995 (yyyymmddhhmmssFF), LEVEL: WEAK
Event 3: Flux: 87.45 SFU, time: 202104210415144995 (yyyymmddhhmmssFF), LEVEL: TINY
Check the flare profile: http://www.metsahovi.fi/Sunant/20210421.png