[Milsurplus] Receiver in spy plane ?

[Peter Gottlieb]

I have a couple of MicroTel receivers that can do that.  I don't think they are 
built rugged enough for aircraft use though, but maybe they were used.

The PR-700B will do 3 kHz to 2 GHz in AM, FM, SSB, CW and wideband and has an 
integral subcarrier receiver as well.  No microprocessor, either, it's all 
digital logic and analog.  Not quite what you say as you can move the cursor to 
a spike but then have to hit buttons to select mode, BW, etc. but you do get a 
frequency readout.  It will run on 28 volts DC as well as AC 115/230.

I'd be curious about other similar receivers.

Peter


On 10/31/2019 11:25 PM, Hubert Miller wrote:
>
> Again triaging paper, I see this in 'Review of International Broadcasting, No. 
> 122', January 1988:
>
> "I once had a brief chance to play with the receivers in a U-21 [ sic ] 
> electronic – reconnaissance aircraft, while it was parked on the ground at
>
> the local airport, back when I worked for the Army agency that managed 
> aircraft parts. You could tune a cursor on a spectrum – analyzer
>
> display to the peaks of individual signals, get a digital readout of their 
> frequency, and hear them in your headphones. It was a really fun way to
>
> bandscan…"  ( Will Martin )
>
> So, I ask, what was this receiver ?
>
> thanks-
>
> Hue
>
>
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