Observed solar radio maps at 37 GHz on 21-10-2021: Max. Temp: 104.14 % of QSL, time: 20211021074020 (yyyymmddhhmmss), STATUS: Small activity Max. Temp: 104.40 % of QSL, time: 20211021085027 (yyyymmddhhmmss), STATUS: Small activity Max. Temp: 103.09 % of QSL, time: 20211021085452 (yyyymmddhhmmss), STATUS: Small activity Max. Temp: 108.38 % of QSL, time: 20211021101106 (yyyymmddhhmmss), STATUS: Low activity Max. Temp: 103.33 % of QSL, time: 20211021101706 (yyyymmddhhmmss), STATUS: Small activity Max. Temp: 103.96 % of QSL, time: 20211021101913 (yyyymmddhhmmss), STATUS: Small activity Max. Temp: 105.35 % of QSL, time: 20211021121110 (yyyymmddhhmmss), STATUS: Low activity Max. Temp: 104.96 % of QSL, time: 20211021121316 (yyyymmddhhmmss), STATUS: Small activity QSL at 37 GHz is 8200 +/- 500 K.