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engine noise on radio

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pt19(at)localnet.com
Guest

Posted: Sun Aug 02, 2009 2:11 pm Post subject: engine noise on radio

Having problems with background noise from  582 engine when transmitting.  Is there a mic that will reduce or eliminate this noise?

Thanks,  Jack  [quote][b]

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Roger Lee

Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.

Posted: Sun Aug 02, 2009 10:01 pm Post subject: Re: engine noise on radio

You can put a filter in line, remove any radio wires from other high energy out put and shield your radio wires.

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fredmessinger(at)gmail.co
Guest

Posted: Mon Aug 03, 2009 3:53 am Post subject: engine noise on radio

Hi Jack,



I had that problem too in my trike for a while.   I had placed the output coax of my radio too close to the intercom system.   When I moved it 2-3 inches away, the interference stopped.



Fred

 On Sun, Aug 2, 2009 at 6:10 PM,  <pt19(at)localnet.com (pt19(at)localnet.com)> wrote:

[quote] 

Having problems with background noise from  582 engine when transmitting.  Is there a mic that will reduce or eliminate this noise?

Thanks,  Jack   	  Quote: 	
		  



ist" target="_blank">http://www.matronics.com/Navigator?RotaxEngines-List

tp://forums.matronics.com

_blank">http://www.matronics.com/contribution



	
[b]

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Guy Buchanan

Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA

Posted: Mon Aug 03, 2009 9:21 am Post subject: engine noise on radio

At 03:10 PM 8/2/2009, you wrote:



 	  Quote: 	
		  Having problems with background noise from  582 engine when 

transmitting.  Is there a mic that will reduce or eliminate this noise?


	


If the noise is coming in through the mic, turn down the mic gain and 

talk loud. It sounds silly but it works really well to raise the 

signal / noise ratio. It's not my idea but an old trick from open 

cockpit days. Also you can buy larger foam muffs to go over the mic, 

however they basically do the same thing - mechanically reducing the 

mic gain so you have to talk louder.

Guy Buchanan

San Diego, CA

K-IV 1200 / 582-C / Warp / 400 hrs. and counting

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Deceased K-IV 1200
A glider pilot too.

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