[RFI] RFI Broadcast Station Mixing in Crank-Up tower?

[Ed K0iL]

Rich,

Are you aware of the CrankUpTiltOver yahoogroup?
https://groups.yahoo.com/neo/groups/CrankupTiltoverTowers/info 

It does sound like a case of rusty-bolt effect that should clear up with
some conductive grease application in the right spot.  But plenty of
experienced hams on that yahoo group.   I am not one of them... yet!

73, de ed -K0iL

-----Original Message-----
From: RFI [mailto:rfi-bounces at contesting.com] On Behalf Of Rich Hallman -
N7TR

Has anyone had any problems with intermittent mixing from a close broadcast
station with a Crank-Up tower?  I think I may have an issue with one of my
towers.   Cranked up I hear mixing all over 80 meters (Every 10
KC).....Cranked down its gone.  I already eliminated the antennas.  Mixing
gets very intermittent in wind as the tower moves around.

Thoughts about grounding the top section to the bottom when fully extended?
Was thinking of grounding the coax at the top and bottom of the tower?

Thanks....

Rich N7TR
ex KI3V, N3AMK, WB3JOV
www.n7tr.com<http://www.n7tr.com>
http://www.qrz.com/db/N7TR
Telnet: dxc.n7tr.com N7TR DXCluster

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