[Milsurplus] PRC-25 and '77

[Clare Owens]

Mike and Ken,

A few years ago an ebay seller in Poland was selling BA-386B battery
holders for the PRC-77 - they hold 10 D cells.  Unfortunately they do not
have the 3 volt tap for the PRC-25.  One of my PRC-77s from Japan came with
a battery adapter that holds 4 18650 batteries and does have the 3 volt tap
(with in-line resistor) so I can use it with my PRC-25 as well.  It appears
to have been 3D printed and is the same size as a BA-5598 but of course has
much less capacity than the BA-5598 primary cell.  Its label says:  SBI Co
Ltd. Tokyo, Japan.

Hope this helps.

&3,

Clare. N2RJB


On Wed, Jun 18, 2025 at 2:07 PM Mike Feher <n4fs at eozinc.com> wrote:

> Ken – There was a guy in Germany, I believe, who made battery boxes for
> those rigs. I use one each in my 77s. 73 – Mike
>
>
>
> Mike B. Feher, N4FS
>
> 89 Arnold Blvd.
>
> Howell NJ 07731
>
> 908-902-3831
>
>
>
> *From:* milsurplus-bounces at mailman.qth.net <
> milsurplus-bounces at mailman.qth.net> *On Behalf Of *kgordon2006
> *Sent:* Wednesday, June 18, 2025 1:27 PM
> *To:* milsurplus listserv <milsurplus at mailman.qth.net>
> *Subject:* Re: [Milsurplus] PRC-25 and '77
>
>
>
> A friend, Lt. Col. Army (retired) and a ham, has recently come into the
> posesssion of one PRC-25 and two PRC-77s
>
>
>
> He would like to put them to work and has asked me for help.
>
>
>
> I have downloaded and printed the op and service manuals for both and, at
> this point anticipate minimal problems getting them operational.
>
>
>
> He wants to install a '77 in his restored M151 MUTT, and the other '77 in
> his shack.
>
>
>
> He has given the '25 to me.
>
>
>
> So, is there some sort of forum dedicated to these rigs? I would like to
> find more information on using them.
>
>
>
> Can anyone here suggest such help?
>
>
>
> Ken W7EKB
>
>
>
>
>
>
>
> Sent via the Samsung Galaxy S21 5G, an AT&T 5G smartphone
>
>
>
>
>
> -------- Original message --------
>
> From: Brian Harrison <briankn4r at gmail.com>
>
> Date: 6/18/25 10:08 (GMT-08:00)
>
> To: milsurplus listserv <milsurplus at mailman.qth.net>
>
> Subject: [Milsurplus] TR/PRT-101A...?
>
>
>
> Hi all,
>
>
>
> I’m looking for a manual or any info on a TR/PRT-101A
>
>
>
> It’s a crystal-controlled transistorized CW-only xcvr that covers 3-14 Mhz
>
>
>
> I have schematics of the rig and two external PS
>
>
>
> Picture attached
>
>
>
> Tnx and best always,
>
> brian
>
> kn4r
>
>
>
>
>
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