The ISS HamTV project with a downlink at 2.422 GHz and 2.437 GHz is discussed on the DX Coffee blog at: http://www.dxcoffee.com/eng/2015/10/19/the-ham-tv-project-a-technological-su ccess-of-amsat-italia/ The TV format is DVB-S (Digital Video Broadcasting-Satellite) -- 73 de JoAnne K9JKM k9jkm at amsat.org