[IGSMAIL-2288] LHAS data available from day 327/1998 till 151/1999
Kurt
Kurt
Wed Jun 2 09:58:55 PDT 1999
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IGS Electronic Mail Wed Jun 2 9:58:55 PDT 1999 Message Number 2288
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Author: Kurt Herzberger
Subject: LHAS data available from day 327/1998 till 151/1999
Dear Colleagues
Since three weeks the BKG get the GPS data from the site LHAS again
(day 327/1998 till today), available in the directories 'IGS/<year>/<day>' .
Now there is a difference in the data
1) RINEX haeder
see listing below
2) Data processing and data flow
Up to day 325/1998 the RINEX files had been generated from the
ROGUE raw data by the BKG. The data transfer was handlet by
BKG (Wettzell).
Since May/1999 (data sets from day 327/1998 till today) the RINEX files
was generated by the staff of the 'Tibet Autonomous Regional Buerau of
Surveying and Mapping' and transfered to the BKG.
Connections to the site Lhasa in order to clarify the differences was failed.
We assume that nothing on the physical configuration was changed, only the
used software for processing the RINEX files.
Compare line 04 and 08-14 of the RINEX header OLD - NEW
---- OLD ----
1.0 COMPACT RINEX FORMAT CRINEX VERS / TYPE (01)
RNX2CRX ver.u.1.8beta 03-Oct-97 06:25 CRINEX PROG / DATE
2 OBSERVATION DATA G (GPS) RINEX VERSION / TYPE
RGRINEXO V2.4.4 VM IFAG-WETTZELL 03-OCT-97 04:07 PGM / RUN BY / DATE (04)
BIT 2 OF LLI (+4) FLAGS DATA COLLECTED UNDER "AS" CONDITION COMMENT
0.000000000000 HARDWARE CALIBRATION (S) COMMENT
0.000000054379 CLOCK OFFSET (S) COMMENT
LHASA MARKER NAME (08)
21613M001 MARKER NUMBER
ROETTCHER IFAG-WETTZELL OBSERVER / AGENCY
310 ROGUE SNR-8000 96.09.22 / 3.2 REC # / TYPE / VERS
401 DORNE MARGOLIN T ANT # / TYPE
-106936.9434 5549268.9514 3139216.5145 APPROX POSITION XYZ
0.0580 0.0000 0.0000 ANTENNA: DELTA H/E/N (14)
1 1 WAVELENGTH FACT L1/2
5 C1 L1 L2 P2 P1 # / TYPES OF OBSERV
30 INTERVAL
1997 9 29 0 0 0.000000 TIME OF FIRST OBS
END OF HEADER
---- NEW ----
1.0 COMPACT RINEX FORMAT CRINEX VERS / TYPE (01)
RNX2CRX ver.d.2.2beta 18-May-99 01:41 CRINEX PROG / DATE
2 OBSERVATION DATA G (GPS) RINEX VERSION / TYPE
RGRINEXO V2.4.1 LH AIUB 18-MAY-99 09:40 PGM / RUN BY / DATE (04)
BIT 2 OF LLI (+4) FLAGS DATA COLLECTED UNDER "AS" CONDITION COMMENT
0.000000000000 HARDWARE CALIBRATION (S) COMMENT
0.000000012751 CLOCK OFFSET (S) COMMENT
JZW MARKER NAME (08)
21 MARKER NUMBER
CANGMUDUOJI OBSERVER / AGENCY
T 310 ROGUE SNR-8000 96.03.24 / 1.6 REC # / TYPE / VERS
295 DORNE MARGOLIN B ANT # / TYPE
-106938.1263 5549268.9962 3139230.4984 APPROX POSITION XYZ
0.0000 0.0000 0.0000 ANTENNA: DELTA H/E/N (14)
1 1 WAVELENGTH FACT L1/2
7 C1 L1 L2 P2 P1 S1 S2 # / TYPES OF OBSERV
30 INTERVAL
1999 5 17 0 0 0.000000 TIME OF FIRST OBS
END OF HEADER
--
Mit freundlichen Gruessen / with kind regards / Mes salutations les meilleures
Kurt Herzberger
++++++++ Bundesamt fur Kartographie und Geodaesie BKG ++++++++
++++++ Federal Office for Cartography and Geodesy ++++++
++++ Richard-Strauss-Allee 11, D-60598 Frankfurt/Main, Germany ++++
+++ +++
+++ Kurt Herzberger Tel.: +49 69 6333-259 ... 6333-1 +++
+++ Fax: +49 69 6333-425 +++
++++ E-Mail: hbg at igs.ifag.de ++++
++++++ URL: http://www.ifag.de/Kartographie/GF/igs.htm ++++++
++++++++ ftp://igs.ifag.de/gpsdata ++++++++
[Mailed From: hbg at ifag.de]
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