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Finally fixed my static problem

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johnd

Joined: 09 Jun 2009
Posts: 27

Posted: Mon Jun 22, 2009 5:13 am Post subject: Finally fixed my static problem

Hi All,

Just wanted to post this to help others in the future. I've had a 

problem with static in my radio at high RPMS that I've been trying to 

fix since my first flight. It was driving me nuts!!!



I've got a Jabiru 3300 and an ICOM A-200 radio. At RPMS over 2400 or so 

I would get terrible static in the radio.  I installed a power filter on 

the radio, installed resistor plugs, checked all my RG-400 to the 

antenna and still had the problem. Turns out it it was the ground strap 

running from my engine to the battery, it was routed close to one of the 

coils on the engine and it was picking up interference at high RPMS. I 

rerouted the ground strap this weekend and the noise is finally gone.



Hopefully this may help someone else to preserve their sanity and hair 



John Davis

N601JD - 601XL & Jab 3300

Burnsville, NC

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tonyplane(at)bellsouth.ne
Guest

Posted: Mon Jun 22, 2009 5:51 am Post subject: Finally fixed my static problem

John,



Good info.  I do not really have a static problem, but I can hear slight rpm 

"buzz" with my ICOM A-200 under certain conditions.  Just curious, about how 

close  the ground wire was to the coil and how far away is it now?



Thanks,



Tony Graziano

601XL/Jab3300; N493TG; 503 hrs



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johnd

Joined: 09 Jun 2009
Posts: 27

Posted: Mon Jun 22, 2009 6:11 am Post subject: Finally fixed my static problem

Hi Tony,



The ground strap was literally right next to the coil. Now I have it 

routed several inches away.



My issue was way more than a buzz, its was loud...



John



T. Graziano wrote:

[quote] 

 <tonyplane(at)bellsouth.net>



 John,



 Good info.  I do not really have a static problem, but I can hear 

 slight rpm "buzz" with my ICOM A-200 under certain conditions.  Just 

 curious, about how close  the ground wire was to the coil and how far 

 away is it now?



 Thanks,



 Tony Graziano

 601XL/Jab3300; N493TG; 503 hrs



 ---

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