[Elecraft] [HAM] Yamaha CM500 Headset is a WINNER (and a BARGAIN)

[O. Johns]

Ignacy,

I've found that it helps to put a small clip-on ferrite choke RIGHT AT the end of the CM500 mike boom, just before the actual electret element.  My problem is also 20 meters.

73,

Oliver
W6ODJ


On 23 Dec 2009, at 6:03 PM, Ignacy wrote:

> 
> I have one and the headphones are pretty good. However, there is RF pickup
> with high power on 20m. Probably KIO3 needs to be modified. There is no
> trace of RF pickup with Heil HC5. 
> Ignacy
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