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WWVB decoder circuit
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March 9th 04, 08:14 PM
Mike Knudsen
Posts: n/a
WWVB decoder circuit
In article ,
(Scott Dorsey)
writes:
If you build your own, make sure you use nixie tubes. That's important.
And in the true Ham tradition, be sure to scrounge them from a defunct HRO-600
:-)
Ripping off an old HP freq counter is second-best.
Real content: I used to listen to WWVB on a huge old Navy regen RX (RAL or the
like?) and could get it day or night on a Sloper antenna. Nothing I own now is
sensitive enough down there to pick it up. The signal is pretty weak and I am
really amazed at the little clocks that can get it. I bought one on sale from
Rat Shack and it doesn't lock on until late at night.
BTW, whatever you buy or build, be sure that it displays seconds. Seems a
waste to have a precision clock that doesn't show them. My Rat Shack clock
does not, but I know it's dead-on because the minutes digit flips just as WWV
(10 or 15 MHz) does its "beep."
-- Mike K.
Oscar loves trash, but hates Spam! Delete him to reply to me.
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