[time-nuts] Faulty GPS SAT # 16 on Lady Heather

[bg at lysator.liu.se]

Thanks!

My mistake. Sorry! Should not be posting this late.

--

   Björn

> Elmer Perkins ??
>
> I know of Perkin Elmer.
>
> 73, Dick, W1KSZ
>
>
> -----Original Message-----
>>From: bg at lysator.liu.se
>>Sent: Jul 29, 2010 5:41 PM
>>To: Discussion of precise time and frequency measurement
>> <time-nuts at febo.com>
>>Subject: Re: [time-nuts] Faulty GPS SAT # 16 on Lady Heather
>>
>>It seems it is beeing moved.
>>
>>56   16  Launched 29 JAN 2003; usable 18 FEB 2003; operating on Rb std
>>           Scheduled unusable 29 Jul 1345 UT to 30 Jul 0145 UT for
>>             repositioning maintenance (NANU 2010102)
>>
>>from   ftp://tycho.usno.navy.mil/pub/gps/gpstd.txt
>>
>>btw the Elmer Perkins Rb's beats most/all space CS out to a few days.
>>Since the ground crew updates clock preditions every day, there is not
>>that much need for the Cs _long_ term stability.
>>
>>--
>>
>>   Björn
>>
>>> Once again, one of the 8 received satellites (#16) delivers no
>>> contribution to the time ensmble, although it got is over 40dbc
>>> strength. Lady Heather (beta 3.00) shows a hollow circle in the
>>> diagram,
>>> marked yellow in the list, and it has zero CLOCK BIAS and ACCU=0.
>>>
>>> Does anybody know, if that satellite is defect (e.g. Cs down), or if it
>>> has a special task, i.e. military purposes only?
>>>
>>> Frank
>>>
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>>
>>
>>
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