[aprssig] Headset

[Steve Noskowicz]

I ran into this quite a few years ago.

A1: It depends on the headset.

A2:  Older radios used carbon mics which were noise cancelling to minimize engine noise pickup.  These had a "bias" supply in the radio that was basically a resistor to a supply.  There are several ways to do this and the specifics could vary from radio to radio.  Modern mics (some) have been designed to work with that supply and have an amplifier and noise cancelling mic element. 

A3:  There are units on the market that are designed to provice an interface between a headset, Aircraft radio and another device cuch as a music player.  This may very well be an easy solution, will obviously cost, but should eliminate all the desigh consternation....

-- 
 Regards, Steve Noskowicz
 Science & Technical Advisor
 http://www.challengerillinois.org/

--------------------------------------------
On Mon, 6/6/16, lloyd mitchell via aprssig <aprssig at tapr.org> wrote:

 Subject: Re: [aprssig] Headset
 To: "TAPR APRS Mailing List" <aprssig at tapr.org>, "Stephen Black" <kb1chu at aol.com>
 Date: Monday, June 6, 2016, 6:15 PM
 
 O suggest
 you contact David Fried at CobaltAV in Virginia.  He has
 been a great help with headsets..
 Lloyd KO4L 
 On Jun 6, 2016 9:57
 AM, "Stephen Black via aprssig" <aprssig at tapr.org>
 wrote:
 
   
     
   
   
     Sorry send question direct to  me.
 Steve kb1chu
 
     
 
     On 06/06/2016 12:37 PM, Stephen Black
       via aprssig wrote:
 
     
     
       
       What brand and model of headset might
 help. Steve
         kb1chu
 
       
 
       On 06/06/2016 03:39 AM, Andrew Rich
         via aprssig wrote:
 
       
       
         Can anyone help me understand how to use an
 aviation headset with a ham radio 
 
 -----------------------------
 Sent from my iPhone
 Andrew Rich
 vk4tec at tech-software.net
 www.tech-software.net
 0419 738 223
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