Robin Theunis wrote: > 1) In V/S mode What is the average output power? > About 1.5 watts. > 2) What kind of antenna is used on 2.4GHz and 1.3Ghz? > A dual band antenna built by Stan Wood WA4NFY. http://n4hy.smugmug.com/AMSAT/AO-51-ECHO/Antennas/ > 3) What is the sensitivity of the 1.3Ghz receiver? > I don't have these numbers at hand, but it's not super. The L receiver is actually the same receiver as HF, i.e. an all band, all mode type synthesized receiver. > 4) Some where I reeded that AO-51 has an HF receiver? If it true, for > what is the purpose? > We initially wanted to try 28MHz/435MHz PSK31, but with the short antenna, and extra losses in a last minute hardware change, this mode does not work very well.
73, Drew KO4MA AMSAT-NA VP Operations _______________________________________________ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
