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PCAS interfering with radio



 
 
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Old March 9th 07, 07:57 PM posted to rec.aviation.soaring
John Sinclair
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Posts: 49
Default PCAS interfering with radio


Well, I got my PCAS MRX back from ZAON, they added
a EMI filter, but it's still breaking squelch on 123.3
& 5. So, I added a choke filter and she's quiet as
a mouse on ships power. The choke has 4 little coils
(2 in each power lead) with a capacitor going between
them. Can find out the exact description if anyone
want's it.
JJ
PS, I also added a sheet of black plastic (x-ray film)
to cut down reflections and extended it back to act
as glare shield.....slick as snot.


At 03:12 07 March 2007, Eric Greenwell wrote:
John Sinclair wrote:
I'm getting strong interfrence on 123.3, 123.5, 122.8
& 121.5 whit my ZAON PCAS using ships power. No problem
if I use PCAS internal pen-cels. Anybody else had
this
problem, how'd you fix it?


Which Zaon unit was it? I just wired in a Zaon MRX,
but didn't think to
test the radio. Tomorrow!


--
Eric Greenwell - Washington State, USA
* Change 'netto' to 'net' to email me directly
* 'Transponders in Sailplanes' http://tinyurl.com/y739x4
* 'A Guide to Self-launching Sailplane Operation' at
www.motorglider.org




 




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