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[aprssig] Odd Propagation

John Habbinga kc5zrq at gmail.com
Tue May 12 02:26:13 UTC 2009

>        I have been told that this can occur when the radar antenna is
> pointed directly at the setting or rising sun.  Picking up some sort of
> noise etc.

I just played back a RADAR loop of all of the USA from the weather.gov
website and the streaks occurred from Louisiana to New Mexico,
starting from east and moving west.  That would mesh with your
suggestion that it is the setting sun.  I wonder why it coincided with
the odd propagation of the APRS beacon?

Perhaps that was just coincidence.

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