Observed solar radio maps at 37 GHz on 28-04-2021:
QSL at 37 GHz is 8200 +/- 500 K.
 
Detected solar events at 11.2 GHz on 28-04-2021:
Event 1: Flux: 118.31 SFU, time: 202104281327004995 (yyyymmddhhmmssFF), LEVEL: WEAK
Event 2: Flux: 96.57 SFU, time: 202104281358224995 (yyyymmddhhmmssFF), LEVEL: TINY
Event 3: Flux: 96.15 SFU, time: 202104281044254995 (yyyymmddhhmmssFF), LEVEL: TINY
Check the flare profile: http://www.metsahovi.fi/Sunant/20210428.png