Indeed the do. I believe its actually a HP3586b a selective level voltmeter.
One heck of a reciever measures signals to 100th of a db. As a heads up they
have a very good xtal oven in them. I have 5 of these units. Just can not
resist them.
Often you find these quite cheap. Last one was $20
Oops. Yes, typo. Sorry.
I don't know about the A version but the and C are essentially identical
except the B used wierd Telco connectors. An new adapter might cost as
much as you'd pay for the receiver.
Their shortfall is the demodulation options are limited, but they do a
wonderful job of
I have been involved with many kinds of radio receivers for over fifty years --
amateur, military, and commercial. This modified SDR-IQ is a dream come true.
When I was a young ham, I dreamed of the day when I might have a receiver that
would read out to one kilocycle (before we used the term
Sorry, I didn't mean to send this message again.
Brad Dye, K9IQY
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If you want an HF radio that reads to a Hz, ready made, get a used HP
(Agilent) 3486 Selective Level Meter. It covers essentially DC to either
20 or 30 MHz. It has a good internal ovenized oscillator, and can be
locked to an external standard.
A virtually unique feature is that it will lock onto
