Observed solar radio maps at 37 GHz on 21-05-2015: Max. temp: 108.51 % of QSL, time: 20150521045804 (yyyymmddhhmmss), STATUS: Low activity Max. temp: 107.16 % of QSL, time: 20150521050713 (yyyymmddhhmmss), STATUS: Low activity Max. temp: 108.54 % of QSL, time: 20150521051531 (yyyymmddhhmmss), STATUS: Low activity Max. temp: 106.95 % of QSL, time: 20150521052349 (yyyymmddhhmmss), STATUS: Low activity Max. temp: 109.37 % of QSL, time: 20150521053208 (yyyymmddhhmmss), STATUS: Low activity Max. temp: 110.80 % of QSL, time: 20150521054025 (yyyymmddhhmmss), STATUS: Medium activity Max. temp: 107.31 % of QSL, time: 20150521054843 (yyyymmddhhmmss), STATUS: Low activity Max. temp: 108.10 % of QSL, time: 20150521055701 (yyyymmddhhmmss), STATUS: Low activity Max. temp: 108.03 % of QSL, time: 20150521060518 (yyyymmddhhmmss), STATUS: Low activity Max. temp: 110.25 % of QSL, time: 20150521061336 (yyyymmddhhmmss), STATUS: Medium activity Max. temp: 110.00 % of QSL, time: 20150521062154 (yyyymmddhhmmss), STATUS: High activity Max. temp: 108.63 % of QSL, time: 20150521063012 (yyyymmddhhmmss), STATUS: Low activity Max. temp: 110.38 % of QSL, time: 20150521063831 (yyyymmddhhmmss), STATUS: Medium activity Max. temp: 107.01 % of QSL, time: 20150521111809 (yyyymmddhhmmss), STATUS: Low activity Max. temp: 107.47 % of QSL, time: 20150521112706 (yyyymmddhhmmss), STATUS: Low activity Max. temp: 107.01 % of QSL, time: 20150521113525 (yyyymmddhhmmss), STATUS: Low activity Max. temp: 106.99 % of QSL, time: 20150521114343 (yyyymmddhhmmss), STATUS: Low activity Max. temp: 107.69 % of QSL, time: 20150521115200 (yyyymmddhhmmss), STATUS: Low activity Max. temp: 106.76 % of QSL, time: 20150521120018 (yyyymmddhhmmss), STATUS: Low activity QSL at 37 GHz is 7800 K. Detected Callisto radio bursts (50-850 MHz) on 21-05-2015: Big burst index (>50) indicates more probable solar radio burst than RFI. Detected solar events at 11.2 GHz on 21-05-2015: Check the flare profile: http://www.metsahovi.fi/Sunant/20150521.png