[Milsurplus] History Chan - Pathfinders

[J. Forster]

The ARN-1 and APN-1 are Radio Altimeters, and are essentially identical. One was
Navy, one Army.

-John

Mike Morrow wrote:

> >Ya know the ARN-1 was the ZB/BC-946 combo in a box.
>
> Hi Marty,
>
> That would be the R-4/ARR-2 which combined those functions.  The AN/ARN-1
> was the immediate ancestor to the AN/APN-1 radio altimeter.
>
> I've always suspected that this homing system was almost exclusively a USN
> and PTO set.  Is there any evidence that the R-1/ARR-1 (JAN version of the
> ZB) was paired with the BC-946 for use by the USAAF in the ETO?  A couple of
> my R-1/ARR-1 units  have Signal Corps order numbers on them, but so did
> almost all of the USN's VHF AN/ARC-5 components.
>
> 73,
> Mike / KK5F
>
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