[time-nuts] strange carrier

Said Jackson saidjack at aol.com
Fri Nov 14 16:46:09 UTC 2014


Whatever the source for that signal, it may explain why all our wwvb clocks have had receiving troubles over the last weeks syncing up here in NV...

Sent from my iPad

On Nov 14, 2014, at 6:10, paul swed <paulswedb at gmail.com> wrote:

> OK everyone. I am sorry I left my 60 Khz transmitter on in Boston. Good to
> see its getting out to California. The antenna is a 90 foot tower.
> I figured since the d-psk-r's been a long experiment I would just replace
> wwvb with a constant phase no modulation Cs driven signal. Why fix the
> problem? :-)
> Regards
> Paul
> WB8TSL
> 
> On Fri, Nov 14, 2014 at 8:52 AM, Jim Lux <jimlux at earthlink.net> wrote:
> 
>> On 11/14/14, 4:28 AM, Bob Camp wrote:
>> 
>>> Hi
>>> 
>>> 
>> The question kind of is: Is it really supposed to be 60kHz and slightly
>> off frequency? Or is it deliberately at that frequency because it's a
>> multiple/submultimple of something useful?
>> 
>> It could easily be a switcher in somebody’s video gear. Keeping the power
>>> supply in sync with the video may / may not be a good idea. Some people do
>>> it that way.
>>> 
>>> 59.94 * 1000.87... is it a horizontal line/clock frequency in a display
>> of some sort?
>> 
>> It's also 3.579545MHz/59.66664 (i.e. pretty close to color burst divided
>> by 60)
>> 
>> Here on Time-Nuts, though, we know that it is ancient aliens who have
>> landed on top of a tall tepui in Venezuela near Angel Falls to help Nikola
>> Tesla in his secret lair.  Or maybe it's the Sedona hum?
>> 
>> The real question is what is this strange signal's ADEV? Is it "really,
>> really accurate"?
>> 
>> 
>> 
>> Bob
>>> 
>>> On Nov 13, 2014, at 6:23 PM, Doug Ronald <doug at dougronald.com> wrote:
>>>> 
>>>> I'm working on my WWVB BPSK receiver and am receiving a carrier, 10 dB
>>>> stronger than WWVB in Sunnyvale, California, quite stable, on the air
>>>> 24/7
>>>> at a frequency of 59.99240 kHz. I have researched on Internet what it
>>>> might
>>>> be, with no results. I have turned off all switch mode power supplies at
>>>> my
>>>> location with no effect. The carrier is so stable that it seems like it
>>>> must
>>>> be something intentionally generated. I have not tried nulling it out
>>>> with
>>>> my directional antenna yet.
>>>> 
>>>> 
>>>> 
>>>> Anyone have a clue as to what I might be receiving?
>>>> 
>>>> 
>>>> 
>>>> Thanks,
>>>> 
>>>> -Doug Ronald
>>>> 
>>>> W6DSR
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
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>>> 
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