Observed solar radio maps at 37 GHz on 21-08-2017: Max. Temp: 106.64 % of QSL, time: 20170821071219 (yyyymmddhhmmss), STATUS: Low activity Max. Temp: 106.64 % of QSL, time: 20170821071521 (yyyymmddhhmmss), STATUS: Low activity Max. Temp: 107.61 % of QSL, time: 20170821080054 (yyyymmddhhmmss), STATUS: Low activity Max. Temp: 107.27 % of QSL, time: 20170821091457 (yyyymmddhhmmss), STATUS: Low activity Max. Temp: 107.38 % of QSL, time: 20170821091759 (yyyymmddhhmmss), STATUS: Low activity Max. Temp: 107.60 % of QSL, time: 20170821103449 (yyyymmddhhmmss), STATUS: Low activity Max. Temp: 110.51 % of QSL, time: 20170821111422 (yyyymmddhhmmss), STATUS: Medium activity Max. Temp: 110.74 % of QSL, time: 20170821111948 (yyyymmddhhmmss), STATUS: Medium activity QSL at 37 GHz is 7800 K. Detected Callisto radio bursts (50-850 MHz) on 21-08-2017: Big burst index (>50) indicates more probable solar radio burst than RFI. Detected solar events at 11.2 GHz on 21-08-2017: Check the flare profile: http://www.metsahovi.fi/Sunant/20170821.png