Hi all on the 1407utc pass over Greenland/Northern Europe the frequency on the downlink was up by approx 5 khz, however on the next pass at 1549utc it was back to normal, that is to say the centre frequency that I use in my doppler tracking softwareRegards Robert G8ATE _________________________________________________________________ Get free emoticon packs and customisation from Windows Live. http://www.pimpmylive.co.uk