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

[Bill Parry]

I have the mixing problem and my tower is not a crank up. It is 120 feet of
Rohn 25 with insulated guy wires. I notice it on 160, 80, and 40. I have no
idea what is causing it.

Bill W5VX

-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of Rich
Hallman - N7TR
Sent: Monday, October 19, 2015 9:03 PM
To: towertalk reflector
Subject: [TowerTalk] RFI Broadcast Station Mixing in Crank-Up tower?

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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