The older microphones had a coiled cord, so you just ran a wire through 
the middle of the coils.  In any case, often a wire from base to radio 
will often work.  Also, some earlier models required a star washer 
between the neck and the base.
73
Butch
WA0VJR
Node 3148
Wallace, ks.


On Wed, 24 Dec 2014, Mark Torgerson wrote:

> How does one run an extra ground wire down the center of the cord?
>
> God loves you!
> My youtube channel:
> http://www.youtube.com./user/ChristianTraditions2
> My personal website:
> http://www.christiantraditions.info
> The Blind Computer People List:
> http://christiantraditions.info/mailman/listinfo/blindcomputerpeople_christi=
> antraditions.info
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>
>> On Dec 24, 2014, at 6:11 AM, Butch Bussen <[log in to unmask]> wrote:
>> =20
>> One other comment, I had severe rf in my audio problems when I got my 590,=
> =20
>> that radio seems more suceptable than most.  I had to put in a couple of=20=
>
>> those line isolaters and that solved the problem, I can dig up the link if=
> =20
>> anyone wants it.  There were some other fixes with those microphones,=20
>> running a wire down the center of the cord from base of microphone to=20
>> ground on the radio as I recall.  That might have b een the 50, but those=20=
>
>> microphones have been known to have r f i problems as well.  As mentioned=20=
>
>> above, I went from a 2000 with no r f i at all to the 590 and had severe=20=
>
>> r f i which the coax isolators fixed.
>> 73
>> Butch
>> WA0VJR
>> Node 3148
>> Wallace, ks.
>
>