From: Jon Clarke <jon.clarke@npl.co.uk> 
Date: 04 Jan 2000 18:56:09 
Subject: [IGEXMail-0612] NPLC year 2000 hitch 

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IGEXMail                04-Jan-2000 18:56:09                   Message No 0612
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Author: Jon Clarke <jon.clarke@npl.co.uk> 
Subject: NPLC year 2000 hitch 


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Dear Colleagues,=20

happy New Year (for those following the Gregorian calender).=20

Our 3S Navigation R100-40T, NPLC, was restarted this morning following a =
year 2000 problem.=20

On 1 Jan it progressively stopped tracking satellites, starting from=20
 05:35:00 12G04G10G01G18G24G19G13G27G22G16G06R13
until its last measurement at=20
 10:23:00 on GPS PRN 10.=20

Thereafter the receiver did not crash or hang, but it did not track any =
further satellites. It now appears to be running normally. The Time and =
Frequency Section has not experienced any other year 2000 problems.=20

I may have incorrectly submitted compressed Rinex files to BKG since day =
349 as ASCII ftp mode instead of binary: if so I shall resubmit these.=20

Regards,
Jon

------------------------------------------------------------------------
Mr Jon Clarke                                Time and Frequency Section,
jon.clarke@npl.co.uk      Centre for Electromagnetic and Time Metrology,
tel: +44 (0) 20 8943 6548                  National Physical Laboratory,
fax: +44 (0) 20 8943 7138        Queens Road, Teddington, TW11 0LW, U.K.
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