AMSAT-BB January 2008

218 participants
332 discussions

Detailed Information on Telemetry
by John Henderson 01 Jan '08

01 Jan '08

Happy New Year to the folks on the BB, Mike Rupprecht and others have given me quite a bit of info on understanding the telemetry from AO-16, but I am interested in learning more about the details of the raw info ( I understand the hex data) and what the acronyms are like MBL, etc. Can any one point me to a good source and tell me how much detail is in the digital book in the AMSAT book Store? Thanks and Best 73 John John Henderson N4NAB 212 Bayside Drive Cape Carteret, NC 28584 252-725-2744 <mailto:[email protected]> n4nab(a)amsat.org <http://www.amsat.org/> http://www.amsat.org/

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70cm Yagi and AO-51
by Andrew Rich 01 Jan '08

01 Jan '08

Gudday I tried a crossed offset yagi on the one boom. When I threw just one part of the yagi on the boom, AO-51 was really good, Now I am finding that with the second yagi on the boom I am seeing a big drop between 435.300 and 435.150 voice / data. I think I might remove the second yagi from the common boom and add it to a new seperate boom Comments ? I think I am getting -20db due to the cross polar RHCP LHCP with the data The voice is great , the data is down in the mud ---------------------------------------------------------------------------- Andrew Rich VK4TEC vk4tec(a)people.net.au http://www.tech-software.net

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AMSAT-BB January 2008