Observed solar radio maps at 37 GHz on 21-03-2015: Max. temp: 104.45 % of QSL, time: 20150321105306 (yyyymmddhhmmss), STATUS: Small activity Max. temp: 104.37 % of QSL, time: 20150321110228 (yyyymmddhhmmss), STATUS: Small activity Max. temp: 104.37 % of QSL, time: 20150321111047 (yyyymmddhhmmss), STATUS: Small activity Max. temp: 104.41 % of QSL, time: 20150321111908 (yyyymmddhhmmss), STATUS: Small activity QSL at 37 GHz is 7800 K. Detected Callisto radio bursts (50-850 MHz) on 21-03-2015: Big burst index (>50) indicates more probable solar radio burst than RFI. Detected solar events at 11.2 GHz on 21-03-2015: Check the flare profile: http://www.metsahovi.fi/Sunant/20150321.png