[time-nuts] Re: HP/Symmetricom 59551A showing wrong date

va2hdd at ebox.net va2hdd at ebox.net
Mon Nov 15 18:35:48 UTC 2021


 

Hello Gregory.

Worked OK first try !

I just powered the 59551A witout the antenna, used SatStat to set time
and date and connected the antenna.

It locked within 10 minutes.

Thank you for your help.

73 from Claude VA2 HDD

On 2021-11-15 11:20, va2hdd at ebox.net wrote:
> Hello Gregory and other list members.
> 
> This is comfortably within my technical proficiency level !
> 
> I will try this today and post results back. 
> 
> Thank you, 
> 
> 73 from Claude VA2HDD 
> 
> On 2021-11-15 09:07, Gregory Beat via time-nuts wrote:
>> Claude -
>>
>> Have you "fixed" your HP 59551A to display the correct date (WNRO
> error) ?
>> --
>> To "correct the WNRO" REQUIRES entering correct date & time, using
> the
>> HP SatStat program, BEFORE the HP 59551A disconnected from Antenna.
>>
>> IF this level of work is beyond your tech skills, then you can use
>> Lady Heather (corrects WNRO for its PC display),
>> OR Ask for further assistance.
>> --
>> HP SatStat from K8CU web site
>> http://www.realhamradio.com/satstat.zip
>>
>> Dieter, K04BB has Both versions of SatStat
>>
> http://www.ko4bb.com/getsimple/index.php?id=manuals&dir=02_GPS_Timing/SatStat
>>
>> HP/Symmetricom 59551A Manual
>> April 2000
>> http://www.leapsecond.com/museum/hp59551a/097-59551-01-iss-1.pdf
>>
>> Greg, w9gb
>> Chicago
>> ===
>>
>>>> Hello to all members of the list.
>>>> I'm testing an HP/Symmetricom 59551A that powers up OK and if I
> connect
>>>> an antenna the "GPS LOCK" LED lights up after a while.
>>>> The receiver is tracking satellites, but the status screen shows
> wrong
>>>> date and time, please see attached screen capture.
>>>> Is this a case of a GPS receiver not counting week 1024 correctly
> ?
>>>> Thank you for your help,
>>>> Claude VA2HDD
>>
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