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Re: AO-7 info from Jan

The return of AMSAT OSCAR-7 is indeed a pretty amazing story.

The Mode-B transponder was designed and build by Karl Meinzer DJ4ZC and
Werner Haas DJ5KQ, who unfortunately left us in 2000 (he had his birthday

This Mode-B transponder was also the first one using "HELAPS"
(H igh E fficient L inear A mplification by P arametric S ynthesis).

The HELAPS technology was developed by Dr. Karl Meinzer as part of
his Ph.D..

I may add that OSCAR-7 was the first ham radio satellite I heard and
it started my interest in AMSAT.

73s Peter DB2OS

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