Scott Tilley wrote: > While conducting my usual observation run last night I noticed during a > review of the data that GCOM W1, 2012-25A, 28337 is varying with a > regular rapid period of ~1.5 seconds. > > This caused me to Google what this s/c was as my habit is to investigate > what I see with a non-steady optical characteristic. I was struck by the > fact that this s/c was declared operational on just August 10, 2012. > > http://www.jaxa.jp/press/2012/08/20120810_shizuku_e.html > > Seems odd to me that an operational s/c would have such a rapid visible > flash rate. Except when it carries a scanning radiometer: http://www.jaxa.jp/countdown/f21/overview/shizuku_e.html We see the same behaviour from certain U.S. weather satellites that carry scanning radiometers. Ted Molczan _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-l
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