[1000mp] Humm

[Anthony J. Cioffi (N2KI)]

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
30MDG - 1187
 www.n2ki.com
 
 
-----Original Message-----
From: 1000mp-bounces at mailman.qth.net [mailto:1000mp-bounces at mailman.qth.net] On Behalf Of Jerry Spring
Sent: Thursday, January 21, 2010 1:08 AM
To: All about Yaesu 1000mp
Subject: Re: [1000mp] Humm

I had the same experience with my Rascal.  In fact, I was so peeved that I wrote a review on eHam.net - which should still be
there.  My Rigblaster Pro has worked well ever since.  And when I tried to sell the Rascal at the local flea market (asked
$10) no one would touch it.  If anyone else wants to buy it, it is still in a box somewhere under the workbench!  

Jerry VE6CNU/VE6TL

--- On Wed, 1/20/10, Stu Ritter <ritter at privatei.com> wrote:

> From: Stu Ritter <ritter at privatei.com>
> Subject: Re: [1000mp] Humm
> To: "All about Yaesu 1000mp" <1000mp at mailman.qth.net>
> Received: Wednesday, January 20, 2010, 10:03 PM
> Back in September, 09, I had written
> to the list about a ground loop hum in
> my FT1000MP in SSB when I had my digital interface
> connected. The 
> interface was a Rascal from BuxCom. I had bought it to use
> FSK on RTTY.
> 
> After months of trying everything to cure the hum I finally
> gave up. The
> customer service from BuxCom was nothing to brag about. 
> 
> In disgust I bought an Isoterm-multimode from Johnny,
> G3LIV. Plugged
> it in and no hum. SSB at any power level and no hum. No
> ground loop.
> 
> Some of the programs I couldn't get to work with the Rascal
> were now
> working with no change in settings at all. 
> 
> Just thought I'd pass that on to the group.
> 
> Stu
> N0LEF
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