Hi Peter,
Many thanks for the link. On our FUNcube cubesat mission we are promoting, as one of the many educational outreach subjects, the opportunity for a group to design and build such a ranging system using the U/V linear transponder that we will be flying on board. The same functionality will also be available on UKube.
Maybe others can use this idea to help justify the presence of amateur transponders on satellites to provide independent position information. We might, however, have to ask Jim to take down his paper from the web so as not to make it too easy:)
best 73
Graham G3VZV
or just do it yourself....
http://www.amsat.org/amsat/articles/g3ruh/123.html
Sorry - I could not resist.. old AMSAT technology, almost forgotten by most people...
73s Peter DB2OS
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