[Milsurplus] AN/ARC-1 Manufacturers

[C.Whitaker]

de WB2CPN
USAF aircraft used VHF for ATC before civilian facilities
got UHF, and still do.  Look in the aeronautical charts.
73  Clete
+++++++++++++++++++++++++++++++++

On 7/8/2012 11:18 AM, Mike Morrow wrote:
>>> Surely the Collins ARC-1...
> I wrote:
>
>> I've never seen a Collins-made RT-18/ARC-1.  All that I've seen were made
>> by either Western Electric (WECO) or Westinghouse, although the auto-tune
>> mechanism inside is Collins-made.  Are there COL-made RT-18s?  What company
>> designed the RT-18?  It seems "Collins-ish", but I always thought it was WECO's
>> work, a logical progression from their WE-233 (RT-19/ARC-4) in the identical
>> package.
> I've had time to look in the AN/ARC-1 documents that I have.  All the data
> in the Modifications and Service Notes list ONLY sets made by WECO (CW) and
> Westinghouse (CAY).  The only Collins connection is the auto-tune mechanism.
>
> Presumably the USN RT-18/ARC-1 is a WECO design, not Collins, and it's a pretty
> good set for the era.  But many were replaced shortly after WWII by the
> USN UHF RT-58/ARC-12 that was designed as a direct replacement in the existing
> racks for the the VHF RT-18/ARC-1.  Only the antenna needed replacement.  Most
> USN VHF command sets were eliminated after the classic Collins AN/ARC-27 UHF
> set became available.
>
> The USAF and US Army continued use of both UHF and VHF command sets in many
> of their aircraft until well after the Vietnam era, but not the USN.  Perhaps
> they still do today.  That's why the SCR-522-A could be found in service
> ten years after the end of WWII, along with the AN/ARC-3 (and -36 and -49)
> through the 1960s, along with more modern VHF Collins AN/ARC-73 and Wilcox
> AN/ARC-134 sets into the 1970s.  But there were no USN VHF equivalents.
>
> Mike / KK5F
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