[Milsurplus] [ARC5] another whatsit?

[J. Forster]

Yes. I missread 3100 as 300 and the cavity swap thing is odd. I reposted
yesterday.

-John

=============


> Ya might want to take another look at the second from top, "supersized"
> photo.  The dial is plainly calibrated 1000 to 3100 Mc (MHz). This
> nicely covers the "L" and "S" radar bands.
>
> Interestingly, the unit seems to be of modular construction. Note the
> TN-56B/SPR-2 tag on the tuner section, and the AM-55/SPR-2 tag on the IF
> section. Makes one wonder if there were other modules that could be used
> with the power supply or "mainframe" section...
>
> Being an old USAF radar type, I was never exposed to much of the Navy
> stuff.
>
> Ed Greeley
>
>
> J. Forster wrote:
>> Look at the dial. It looks to me like it's 300-1000 MHZ, for UHF RADARs
>> like the ASB-5.
>>
>> I'd love one, but a whole lot cleaner than the one for sale...
>>
>> oh, and the mount for the SPA-2 as well.
>>
>> -John
>>
>> =====================
>>
>>
>>
>>>SPR = Shipboard, Radar (Pulse), Receiving
>>>
>>>It's the shipboard version of the AN/APR-5 - 1,000-6,000MHz surveillance
>>>receiver.  Steel case rather than aluminum, and heaver shock mount to
>>>meet shipboard requirements.  Otherwise the same as the airborne
>>> version.
>>>
>>>- Mike  KC4TOS
>>>
>>>On 6/23/2011 7:26 PM, jcoward5452 at aol.com wrote:
>>>
>>>>150622267231
>>>>
>>>>at the usual auction place. Looks to be cavity tuned and what does
>>>> SPR-*
>>>>mean? Special Purpose Radio?
>>>>Inquiring mind would like to know.
>>>>  Thanks,
>>>>              Jay
>
>