Duchifat-1 is an experimental and educational spacecraft developed and built by young Israeli students at the Space Laboratory of the Herzliya Science Centre (HSC). It features APRS on 145.825 MHz and also a UHF/VHF BSPK transceiver that can operate as a FM to DSB transponder. See http://www.uk.amsat.org/?p=9982 73 Trevor M5AKA