[ARC5] HF Balun unknown type -- Help?

[Tim]

That 13499 is probably the FSCM (manufacturers) code for Collins...FWIW..
Tim
N6CC

On Sat, Nov 5, 2016 at 6:27 PM, Mike Everette via ARC5 <arc5 at mailman.qth.net
> wrote:

> I have a nice doorstop -- a large and heavy cast aluminum box about 8
> inches by 10 inches on top and 10 inches deep, with fins on the sides and
> filled with oil.  It has what I think is a C type coax connector on the
> input and a pair of beehive insulators about 2 inches tall, with a type of
> silver plated slide-on connector atop each, for the output.  The
> nomenclature plate reads:
>
> 179P-25
> HF BALUN
> DSGN ACT CODE 13499 PN 758-5327-002
> SERIAL No. 090
> CONTRACT FO4606-77-C-0896  U.S.
>
> An ink stamp near the nomenclature plate reads "REV.D"
>
> No manufacturer name is given.  No additional data.
>
> Does anyone have an idea about the characteristics of this unit?  I've
> searched these numbers on line and found nothing.
>
> This came from a field-deployable antenna system kit consisting of at
> least 2 aluminum towers, guy ropes, some very light weight and flexible
> long coax lengths with C male connectors, large non inductive termination
> resistors, etc.  I think this must have been a V-beam type antenna, or
> perhaps a rhombic if it was supposed to have four towers instead of the two
> found with it in a bunch of surplus.
>
> Looks like it might be rated for a good bit of power.
>
> Could it possibly be a 10:1 or 12:1 balun?  If it was intended to be used
> with a V-beam or rhombic, that would be my guess.
>
> Any help IDing this doorstop will be greatly appreciated!
>
> 73
>
> Mike
>
> WA4DLF
>
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