[CQ-Contest] MFJ-432 Voice keyer questions...troubles

[Don Moman]

Use a wall wart power supply or battery, that's essential.  If the PS is 
common to other units, RF is a big problem.  We use 5 of the MFJ 432
here in m/m and never any RFI problems.

On Sun, 1 Nov 1998 KI9A at aol.com
wrote:

> 
> I have an MFJ 432 voice keyer I bought a few years ago that I am having RF
> troubles with.  After several failed attempts at solving this problem, I am
> trying once more before this thing goes into the trash drawer!   I have tried
> chokes on the cable,  near both ends, different material chokes, different
> antennas, even different rigs and different QTH's.  Power level makes no
> difference,  nor does band.  I have heard that the early production '432's
> have troubles with this,  and MFJ has a fix....I figured I'd try here before
> messing around with MFJ.  Any idea's??
> 
> 73/Chuck  KI9A
> 
> 
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VE6JY  Don Moman               email: ve6jy at freenet.edmonton.ab.ca 
Box 127 Lamont, Alberta        email forwarding: ve6jy at rac.ca
T0B 2R0  (403) 895-2925       


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