[1000mp] Humm

[J. C. Mc Laughlin]

Dear Crew:   I too tried to use a Rascal and gave up on it.  I now use a 
Signalink USB with no issues at all.  It just works.  Best price and 
delivery, as I recall, was from DX Engineering.

A data point.  73,   Mac   N8TT
J. McLaughlin;  Michigan, USA
Home:  JCM at power-net.net
----- Original Message ----- 
From: "Stu Ritter" <ritter at privatei.com>
To: "All about Yaesu 1000mp" <1000mp at mailman.qth.net>
Sent: Thursday, January 21, 2010 8:18 AM
Subject: Re: [1000mp] Humm


>
>
>>
>> I wonder if you guys used an isolation transformer 1:1 on your audio 
>> line.  That usually will cure any ground hums or loops.
>>
>> I've been using a home made digital interface for years and just recently 
>> decided to try the Signalink USB.  It's a great
>> device and super easy to install.  There is no need to worry about 
>> soundcard settings or incompatibilities.   The best part
>> is I am able to use my existing interface cables.  All I had to do was 
>> change the sound device in my digital software.  Oh
>> yeah, and no ground loops either.
>>
>>
>> Anthony - N2KI
>
> Anthony, I used isolation transformers on both audio lines going
> to the computer and on the patch output line to the Rascal from
> the rig. Nothing worked. Johnny, maker of the Isoterm that I
> ended up buying, gave me some measurements to check to see
> if there was sufficient isolation for the Rascal and the numbers
> indeed showed sufficient isolation where there shouldn't have been
> a ground loop hum. I bought his unit anyway as I was running out
> of hair to pull and since it is only a hobby (but rather all encompassing)
> I was sick and tired of things not working right.
>
> I won't sell this Rascal to another ham.
>
> Stu
> N0LEF
> ______________________________________________________________
>