From: Mike McCants (
Date: Thu Aug 04 2011 - 17:09:21 UTC

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    I was able to observe RadioAstron last night from about 12:30 AM
    until about 12:50 AM CDT.  It was very bright at a range of 20,000 miles.
    I estimated magnitude 10 or so.  It was very close to on time and on track.
    However, I discovered today that my tle could not be used with a "normal"
    prediction program that would use the SDP4 algorithm.  My tle was compatible
    with the SGP4 algorithm, not the SDP4 algorithm.
    Mike McCants
    Austin, TX
    Seesat-l mailing list

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