SOLAR RADIO ASTRONOMY Christian Monstein, Wiesenstrasse 13 CH-8807 Freienbach, Switzerland CALL: HB9SCT/JN47je ------------------------------------------------------------------- Solar Radio Flux normalized to 1AU during culmination in Freienbach Datecode SFU 610MHz comments 01-11-2007 28.6 02-11-2007 29.5 03-11-2007 25.8 04-11-2007 25.8 05-11-2007 25.3 06-11-2007 29.5 07-11-2007 27.2 08-11-2007 23.5 09-11-2007 24.4 10-11-2007 28.6 11-11-2007 22.1 12-11-2007 26.7 13-11-2007 21.2 14-11-2007 28.6 15-11-2007 42.4 16-11-2007 20.7 17-11-2007 30.9 18-11-2007 25.3 19-11-2007 27.2 20-11-2007 20.7 21-11-2007 26.7 22-11-2007 24.0 23-11-2007 22.1 24-11-2007 nil Band pass filter inserted 25-11-2007 40.1 All analog TV stations in Switzerland 26-11-2007 31.8 are switched off to the 27-11-2007 27.2 end of November 2007. 28-11-2007 28.1 All transmitters are 29-11-2007 28.6 now DVB-T compatible. 30-11-2007 27.6 Background noise changed completely Flux Minimum : 20.7 Flux Maximum : 42.4 Flux Average : 26.3 Flux Median : 28.5 Number of days: 29 of 30 1 ISFU = 1 SFU = 1E-22W/m^2/Hz = 10'000 Jansky Uncertainity = +/-(10% of value + 1sfu) Borland Builder 6: 10.06.2007/cm