[time-nuts] WWV / WWVH / WWVB

David M. Witten II wittend at wwrinc.com
Wed Jan 14 20:10:03 UTC 2009


I'm  glad to know that what I have been seeing is reasonable.  I have 
had difficulty syncing to WWVB with embedded receivers before, so 
perhaps I will get a better signal from the top floor of my house.  Here 
on ground level I never see it lock.

Dave Witten

Scott Newell wrote:
> 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.
> 



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