[time-nuts] WWVB antennas
d0ct0r
time at patoka.org
Sat Feb 22 05:54:27 UTC 2014
I am impressed by Casio engineers who created tiny antenna for my wrist
watch. I don't know how, but that Pathfinder able to catch and decode 60
khz wwvb in noisy city environment. And it did even better when i was
500 km north !
:40, Alexander Pummer wrote:
> here are the other 60kHz transmitters:
> http://www.ka7oei.com/wwvb_antenna.html
>
> U.S. based WWVB transmitter. As described, it
> could also be used for theUK-based 60 kHz MSF
> <http://en.wikipedia.org/wiki/Time_from_NPL> MSF signal formerly
> the Rugby clock* *and the
> Japanese 60 kHz JJY <http://en.wikipedia.org/wiki/JJY>_
> _our fiend in Australia most likely*_ _*receive the "JapaneseWWVB"
> 73
> KJ6HUN
> Alex
> _*//*_
>
>
>
>
>
>
> On 2/21/2014 12:21 PM, Robert Roehrig wrote:
>> John Forster said:
>>
>> "WWVB is hard to detect w/ a 3-foot diameter HP shielded loop w/
>> integral
>> preamp & 2 stages of mechanical filters. (HP 117A). The other half of
>> the
>> time it was undetectable. Paul S uses a loop that is much larger."
>>
>> I am near Chicago and I have 2 60 kHz antennas. One is a ferrite
>> rod type and the other a 5 foot diameter loop. Both are tuned
>> and feed identical 2 transistor preamp. The loop does work better.
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--
WBW,
V.P.
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