[time-nuts] Looking for info on an old WWVB receiver

J. Forster jfor at quikus.com
Wed Jul 25 13:24:24 UTC 2012


Specific Products made a whole line of similar receivers, some tube and
some solid state. I've got a WWV unit and the long wire antenna kit for
it.

Try BAMA, or other boatanchor sites.

-John

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


> I recently picked up an interesting early 1970s vintage WWVB
> receiver, Model 630, made by "Specific Products" of Monrovia, CA -
> that's what the adhesive sticker on the front says, and the name "1
> MHz Time Base Calibrator (Utilizes WWVB accuracy of 2 parts in
> 10^11)." There's also a pair of banana jacks labeled "1 MHz Input," a
> row of incandescent lamps for a signal strength indicator, and a
> power switch. The back says "Model LF 60S," and has six RCA jacks for
> "100 kHz Output," "60 kHz Output," "Recorder Output," "Antenna
> Input," "(divide sign) 10 Output," and "Time Code Output." There's
> also the line cord and a +12VDC output RCA jack.
>
> I'm wondering if anyone knows anything or sources of info about this
> thing. With all the recent talk of WWVB changing to spread-spectrum,
> it may be useless anyway, except for some parts, but I'm curious
> about whether it's worth saving.
>
> Ed
>
>
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