[Milsurplus] Radio Identification

Fri, 15 Aug 2003 15:50:58 -0700

Hi All,
What it would appear is that you have some of the basic components of =
the MRC-108.  This was a jeep mounted communication central manufactured =
by Collins that covered VHF-FM (RT-524), VHF Airband (usually a Wilcox =
807A), UHF )ARC-51BX) and HF (the venerable 618t-3, it as Mike stated =
came with the 400 Hz power converter).  These are great set-ups but it =
can be a bear to keep all these cold war beasts running.  I had 2 =
complete units at one time, and I don't know how the M151 held these =
things, not to mention the overall power requirement if you have all 4 =
radios powered up at once.
Bruce=20
  ----- Original Message -----=20
  From: [email protected]=20
  To: [email protected] ; [email protected] ; [email protected]=20
  Sent: Friday, August 15, 2003 2:55 PM
  Subject: Re: [Milsurplus] Radio Identification

  Norman, Mike, Mac, et al,

  I think Mike is correct, although I haven't pinned down the AN/MRC-xx =
number.=20
   The '64 edition of TM 11-487 stops just short of the sets using the =
618T,=20
  AN/ARC-51(*), etc. and although I think I have a later equivalent =
somewhere, it=20
  isn't in the bookshelves in the den.

  The 618T's run AM/CW/SSB and I think in some variants ISB and replaced =
the=20
  618S-1 and -4 (AN/ARC-38).  In any case, they do LSB and USB.  The =
mechanical=20
  filters used are the same as in the AN/ARC-58 (618S) and AN/PRC-47, =
and are one=20
  source of the USB filters to convert PRC-47's for LSB operation (the=20
  RT-671/PRC-47 actually contains an LSB filter but runs USB because of =
the conversion=20
  scheme).  Fair has 618T-2 and 618T-3 listed in their current catalog.  =
AN/ARC-58=20
  and AN/TRC-75 also use the same filters, but are not transceivers (so =
they=20
  have four filters).

  In a message dated 8/15/2003 4:34:02 PM Central Daylight Time,=20
  [email protected] writes:=20
  > It sounds to me with everything you have that you've got most=20
  > of one of those AN/MRC-?? communication systems used for mobile
  > control towers in the 1960s.
  >=20
  > You've got some neat 1960s-era stuff to play with!

  Robert Downs - Houston
  <http://www.wa5cab.com>
  <[email protected]>

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