[time-nuts] WWV / WWVH / WWVB

Scott Newell newell at cei.net
Wed Jan 14 13:39:59 EST 2009


At 12:24 PM 1/14/2009 , Poul-Henning Kamp wrote:
>In message <496E195A.1050107 at pacific.net>, Brooke Clarke writes:
>
>>My first problem is to hook the front end up to a couple of batteries
>>and a LED to find a good place for the antenna.
>
>Be aware that the AGC has a very long timeconstant, you should leave
>it powered up in one place for at least a couple of minute before
>passing judgement.

Yep.  I've noticed that mine can take several minutes from power up to
pulses, even when the antenna is located in a known good spot.

Kind of a shame they didn't use the unused bits in the WWVB stream for some
kind of checksum or error correcting code.

-- 
newell  N5TNL





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