[time-nuts] WWVB phase-modulation test

paul swed paulswedb at gmail.com
Sun Apr 15 02:44:43 UTC 2012


psk fixer-uppers not working all that well. Back to the drawing boards as
they say.
But at least I can see whats up.

On Sat, Apr 14, 2012 at 9:51 PM, paul swed <paulswedb at gmail.com> wrote:

> East coast here
> Yes I ran into the same thing so missed getting the spectracom 8170
> sync'ed. Doesn't matter really, I now see whats up.
> The HP 117 and the fluke 207 all lost lock and phase all over as expected.
> Just jimmied in the homebrew psk fixer'upper (Another time-nut is helping
> also.) to see if the fluke 207 will lock.
> I can see I have an issue with the hysteresis, but knew that going in.
> The 207 does lock but the above issue is not helping at all.
>
> Very curious I was copying a signal when wwvb was off, must have been MSF.
> It was pretty darn weak at -85db.
> Regards
> Paul
> WB8TSL
>
>
> On Sat, Apr 14, 2012 at 9:40 PM, John Seamons <jks at jks.com> wrote:
>
>> On Apr 14, 2012, at 7:05 PM, Jim Hickstein wrote:
>>
>> > Did they start early?  Both my Spectracom 8164 and 8170 are unlocked.
>>  I was expecting this, but not before 0130Z.
>>
>> The transmitter went off-air starting at 0100Z. Back on now at 0130
>> presumably with PSK. I'm recording, but haven't done any decoding yet. I'm
>> hoping this test is more than just the static data pattern from last time.
>>
>>
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>



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