Subject: [Icom] Power Supply options

Gregory Beat [email protected]
Sun, 30 Jun 2002 16:43:27 -0500


Notice that Doug was running RTTY.

Short of continuous commercial service, RTTY is the best amateur mode that
tests ALL components of a station (antennas, amplifiers, power supplies and
transceivers) to their advertised ratings.

73 de w9gb

----- Original Message -----
From: "Matt Erickson" <[email protected]>
To: <[email protected]>
Sent: Sunday, June 30, 2002 2:58 PM
Subject: Re: Subject: [Icom] Power Supply options


> My MFJ PS smelled too, when it was new, but after about 10 hrs of
operation
> the smell went away, but the PS kept running, and still is today.
> No RF hash either.
>
> 73 de Matt KK5DR
>
> At 03:30 PM 6/30/02 -0400, you wrote:
> >    From: "Ed" <[email protected]>
> >    Date: Sun, 30 Jun 2002 14:49:16 -0400
> >
> >    I have been using an MFJ Mighty Lite 25 amp power supply with no
> > problems at all. It's smaller than the 706.
> >    ED YEARY W4TEY
> >
> >I tried using a MFJ 4125 power supply with a 756PROII at XR0X for
> >RTTY.  The radio was pulling less than the power supplies rated
> >continuous current, but we still had to shut down when we smelled a
> >strong burning smell in the tent.  I switched the rig, which I was
> >using for RTTY, to an Astron SS-25M, and had no further problems.
> >
> >The reason for using the 4125 in that environment was to stress test
> >it in a difficult situation, but with spares available.  I've used a
> >SEC1223 in the same situation with no problem.  The 4125 is smaller
> >than the SEC1223, but I don't trust it to full ratings.
> >
> >73, doug
> >
> >
> >----
> >Your Moderator: Dick Flanagan W6OLD, [email protected]
> >Icom FAQ: http://www.qsl.net/icom/
>
> ----
> Your Moderator: Dick Flanagan W6OLD, [email protected]
> Icom FAQ: http://www.qsl.net/icom/
>