[TowerTalk] 40m RFI in AlfaSpid Rotator

[Don Moman VE6JY]

Try unplugging the mouse.  If RF gets into the sytem, that usually is
the way it happens.  Might  add some small caps across those lines.
I've not seen any RF issues with any of mine, even in m/m contests.  I
even have my mouse cables going thru a 4 way computer switch    so they
are about 3 times as long as the stock cord.   A friend who had a Ham
IV/controller that was blowing the internal meter fuse - there was that
much RF around - replaced that with the Alfa and no issues.

73 Don
VE6JY



-----Original Message-----
From: towertalk-bounces at contesting.com
[mailto:towertalk-bounces at contesting.com] On Behalf Of Dale Martin
Sent: December 26, 2006 5:52 PM
To: towertalk at contesting.com
Subject: [TowerTalk] 40m RFI in AlfaSpid Rotator



I don't know if I am in OT violation here or not...it's RFI, but in my
Rotator/controller. 

Anyone having rfi problems in their AlfaSpid's on 40m?  Other bands have
no effect; only 40m...and at 20w, no less.

The rotator controller is going bezerk with as little as 20 watts from
my Omni VI's.  No amount of ferrite, clamp-on cores or solid cores,
seems to help.  

Anyone else experience this and have a solution?  

73 and HNY

Dale, kg5u





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