[Milsurplus] Low Frequency receiver, RBL

[Peter Gottlieb]

Maybe one of those HP 3586 selective voltmeter units?


On 9/3/2014 4:44 PM, Nick England wrote:
> Interesting conversation. Last weekend I picked up an R-1511/GR HF spook rcvr to play with. Hammarlund SP-600 tube front end with solid state 200kc wide output. Gotta decide what to run that signal to.
> http://www.virhistory.com/ham/shelby-14/IMG_4968.JPG
>
> Nick
> (phone email acct)
>
>
> On Sep 3, 2014, at 4:05 PM, "KD7JYK DM09" <kd7jyk at earthlink.net> wrote:
>
>> :I always thought the best SDR would be one embedded inside a more classical
>> : receiver.  Sort of a hybrid approach where the front end has the filtering
>> and
>> : low noise capabilities and the decoding and analysis are done by DSP and
>> other
>> : techniques.
>>
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