The doppler shift of U-band are about +/- 9kHz, and the doppler shift of V-band are about +/- 3kHz. [Example] ISS, Simplex-Mode In case of elevation over 60 degrees: Uplink Downlink AOS 145.822 145.828 145.823 145.827 TCA 145.825 145.825 145.827 145.823 LOS 145.828 145.822 In case of elevation under 30 degrees: Uplink Downlink AOS 145.823 145.827 145.824 145.826 TCA 145.825 145.825 145.826 145.824 LOS 145.827 145.823 KO-23, J-Mode In case of elevation over 60 degrees: Uplink Downlink AOS 145.897 435.184 145.898 435.180 TCA 145.900 435.175 145.902 435.170 LOS 145.903 435.164 In case of elevation under 30 degrees: Uplink Downlink AOS 145.898 435.181 145.899 435.178 TCA 145.900 435.175 145.901 435.172 LOS 145.902 435.169 SO-35, B-Mode In case of elevation over 60 degrees: Uplink Downlink AOS 436.282 145.828 436.286 145.827 TCA 436.291 145.825 436.296 145.823 LOS 436.300 145.822 In case of elevation under 30 degrees: Uplink Downlink AOS 436.285 145.827 436.288 145.826 TCA 436.291 145.825 436.294 145.824 LOS 436.297 145.823 [Supplement] Revers Heterodyne (Japanese) http://www.asahi-net.or.jp/~ei7m-wkt/numbr823.htm Calsat32 -> DDE http://www.ne.jp/asahi/hamradio/je9pel/calsatdd.htm Satellite Frequency with Doppler http://www.ne.jp/asahi/hamradio/je9pel/satsfreq.xls http://www.ne.jp/asahi/hamradio/je9pel/sdrtocal.xls