Leonard Halvorsen lhalvors at pppl.gov
Tue Dec 9 18:19:27 EST 2014

I am helping a friend (WZ1Q) track down this RFI on 80 meters.  We have it
recorded but the reflector will not accept an attachment.  If anyone is
interested in giving a listen, I have uploaded it.  Here is the link to
access the sound byte

We checked on the ARRL web site under Sounds Of RFI
<http://www.arrl.org/sounds-of-rfi> but we could not match it to anything.

A friend over on main campus said it sounded like Data, in the form of a

 NRZ <http://en.wikipedia.org/wiki/Non-return-to-zero> Manchester code

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