I would try that other mic just for sure, the hanging loop is metal if you 
want to try touching that. If you have a hum though, an actual hum, I'd 
really have to wonder if there's something else going on if it's even with 
that mic. That should not be happening.
----- Original Message ----- 
From: "Tom Brennan" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, April 17, 2013 2:30 PM
Subject: Re: mfj 931


>I do have another mic, John, and can try that.  I believe that I've tried 
>that
> in the past and it didn't help but I'll give it a try.  The other mic is 
> the
> little Kenwood mobile mic that comes with the rig.  It is all plastic so 
> would
> at least not have me in contact with metal.
>
> Tom
>
>
> Tom Brennan  KD5VIJ, CCC-A/SLP
> web page http://titan.sfasu.edu/~g_brennantg/sonicpage.html
>
> On Wed, 17 Apr 2013, John Miller wrote:
>
>> Date: Wed, 17 Apr 2013 08:29:32 -0400
>> From: John Miller <[log in to unmask]>
>> Reply-To: For blind ham radio operators <[log in to unmask]>
>> To: [log in to unmask]
>> Subject: Re: mfj 931
>>
>> IF you're getting a shock and have a hum, the hum isn't RF most likely, 
>> do
>> you have another mic you can try? Have you tried that already or maybe 
>> even
>> another radio? You can have the coax shield not making contact and have 
>> it
>> still have a good SWR, I learned that lesson once.
>> ----- Original Message -----
>> From: "Tom Brennan" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Wednesday, April 17, 2013 7:09 AM
>> Subject: Re: mfj 931
>>
>>
>> > I've got swr of 1.2/1 and do have a choke in place.  No shocks from the
>> > radio
>> > itslef, just the mic when transmitting.
>> >
>> > Tom
>> >
>> >
>> > Tom Brennan  KD5VIJ, CCC-A/SLP
>> > web page http://titan.sfasu.edu/~g_brennantg/sonicpage.html
>>
>