[IGSREPORT-2241] Wk 0830 SIO Analysis Report
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Fri Dec 15 16:52:52 PST 1995
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IGS Electronic Report Fri Dec 15 16:52:52 PST 1995 Message Number 2241
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Author: P. Fang and Y. Bock
Subject: Wk 0830 SIO Analysis Report
SOPAC Global/Regional Analysis Bulletin -- GPS Week 0830
Submitted by: Peng Fang and Yehuda Bock
Scripps Orbit and Permanent Array Center
Institute of Geophysics and Planetary Physics
Scripps Institution of Oceanography
University of California, San Diego
La Jolla, CA 92093-0225 USA
e-mail: pfang at pgga.ucsd.edu; bock at pgga.ucsd.edu
fax: (619) 534-9873
geodesy lab tel: (619) 534-7692
To access SIO GARNER archive:
ftp toba.ucsd.edu (132.239.13.12)
login: anonymous
password: your name
directories: global, regional, products
To view SOPAC time series:
WWW Home page URL: http://jon.ucsd.edu
click: SCIGN/SCIGN Map/site
Direct problems to: Peng Fang (pfang at pgga.ucsd.edu)
______________________________________________________________________________
S O P A C A N A L Y S I S L O G
GPS WEEK #0830 12/03/95 - 12/09/95 DOY 337 - DOY 343
Day Number
3 3 3 3 3 3 3
SIO IGS TYPE OF 3 3 3 4 4 4 4
SITE_NAME CODE CODE RECEIVER 7 8 9 0 1 2 3
Blythe [PGGA], CA, USA +blyt blyt ASHTECH ZX-II3 X X X X X X X
China Lake [PGGA], CA, USA +coso coso ASHTECH ZX-II3 X X X X X X X
Yucaipa [PGGA], CA, USA +crfp crfp ASHTECH ZX-II3 X X X X X X X
Monument Peak [PGGA], CA, USA+monp monp ASHTECH ZX-II3 X X X X X X X
Pinyon 1 [PGGA], CA, USA +pin1 piny ASHTECH ZX-II3 X X X X X X X
Palos Verdes [PGGA], CA, USA +pvep pvep TRIMBLE 4000 SSE X X X X X X X
Scripps 3 [PGGA], CA, USA +sio3 sio3 ASHTECH ZX-II3 X X X X X X X
Bommer Canyon [PGGA], CA, USA+trak trak ASHTECH ZX-II3 X X X X X X X
Vandenberg [PGGA], CA, USA +vndp vndp ASHTECH ZX-II3 X X X X X X X
Brand Basin [DGGA], CA, USA +bran bran ROGUE SNR-8000 X X X X X X X
Chilao [DGGA], CA, USA +chil chil ASHTECH ZX-II3 X X X X X X X
Claremont [DGGA], CA, USA +clar clar ASHTECH ZX-II3 X X X X X X X
Firecamp 9 [DGGA], CA, USA +cmp9 cmp9 ASHTECH ZX-II3 X X X X X X X
Pacoima Dam 1 [DGGA], CA, USA+dam1 dam1 ASHTECH ZX-II3 X X X X X X X
Pacoima Dam 2 [DGGA], CA, USA+dam2 dam2 ASHTECH ZX-II3 X X X X X X
Pearblossom [DGGA], CA, USA +holc holc ASHTECH ZX-II3 X X X X X X X
Hollydale [DGGA], CA, USA +holp holp ASHTECH ZX-II3 X X X X X X X
Mt. Lee [DGGA], CA, USA +leep leep ASHTECH ZX-II3 X X X X X X X
Longdon Yard [DGGA], CA, USA +long long ASHTECH ZX-II3 X X X X X X X
Rocketdyne [DGGA], CA, USA +rock rock ASHTECH ZX-II3 X X X X X X X
Allen Osborne [DGGA], CA, USA+aoa1 aoa1 ROGUE SNR-8000 X X X X X X X
Parkfield [PGGA], CA, USA +carr carr ROGUE SNR-8000 X X X X X X X
Mammoth Lakes [PGGA],CA, USA +casa casa ROGUE SNR-8000 X X X X X X X
Catalina Isl. [DGGA], CA, USA+cat1 cat1 ROGUE SNR-8000 X X X X X X X
Enseneda [PGGA], BC, Mexico +cice cice ROGUE SNR-8000 X X X X X X X
Caltech [DGGA], CA, USA +cit1 cit1 ROGUE SNR-8000 X X X X X X X
Goldstone [PGGA], CA, USA +ds10 gold ROGUE SNR-8 X X X X X X X
Harvest Platform[PGGA],CA,USA+harv harv ROGUE SNR-8000 X X X X X X X
JPL Mesa [PGGA], CA, USA +jpl1 jplm ROGUE SNR-8000 X X X X X X
Long Beach [DGGA], CA, USA +lbch lbch ROGUE SNR-8000 X X X X X X X
Oat Mt new [DGGA], CA, USA +oat2 oat2 ROGUE SNR-8000 X X X X X X X
Quincy [PGGA], CA, USA +quin quin ROGUE SNR-8000 X X X X X X X
Saddle Peak [DGGA], CA, USA +spk1 spk1 ROGUE SNR-8000 X X X X X X X
UCLA [DGGA], CA, USA +uclp uclp ROGUE SNR-8000 X X X X X X X
USC [DGGA], CA, USA +usc1 usc1 ROGUE SNR-8000 X X X X X X X
Whittier College[DGGA],CA,USA+whc1 whc1 ROGUE SNR-8000 X X X X X X X
Whittier Library[DGGA],CA,USA+whi1 whi1 ROGUE SNR-8000 X X X X X X X
Briones [BARD], CA, USA +brib brib ASHTECH ZX-II3 X X X X X X X
Columbia [BARD], CA, USA +cmbb cmbb ASHTECH ZX-II3 X X X X X X X
Farallon [BARD], CA, USA +farb farb ASHTECH ZX-II3 X X X
Tiburon [BARD], CA, USA +tibb tibb ASHTECH ZX-II3 X X X X X X X
Haskell [CORS], OK, USA +hklo hklo TRIMBLE 4000 SSE X X X X X X X
Hillsboro [CORS], KS, USA +hbrk hbrk TRIMBLE 4000 SSE X X X X X X X
Lamont [CORS], OK, USA +lmno lmno TRIMBLE 4000 SSE X X X X X X X
Platteville [CORS], CO, USA +pltc pltc TRIMBLE 4000 SSE X X X X X X X
Sterling. [CORS], CO, USA +strl strl ROGUE SNR-8000 X X X X X X X
Table Mt. [CORS], CO, USA +tmgo tmgo ROGUE SNR-8000 X X X X X X X
Vici [CORS], OK, USA +vcio vcio TRIMBLE 4000 SSE X X X X X X X
Wallops. [CORS], CO, USA +wlps wlps ROGUE SNR-8000 X X X X X X X
White Sands [CORS], NM, USA +wsmn wsmn TRIMBLE 4000 SSE X X X X X
Albert Head, Victoria B.C. albh albh ROGUE SNR-8000 X X X X X X X
Algonquin, Canada *algo algo ROGUE SNR-8000 X X X X X X X
Ankara, Turkey ankr ankr ROGUE SNR-8000 X X X X X X X
Arequipa, Peru are1 areq ROGUE SNR-8000 X X X X X X X
Borowiec, Poland bor1 bor1 ROGUE SNR-8000 X X X X X X X
Bermuda brmu brmu ROGUE SNR-8000 X X X X X X X
Brussels, Belgium brus brus ROGUE SNR-8000 X X X X X X X
Casey, Antarctica cas1 cas1 ROGUE SNR-8100 X X X X X X X
Fairbanks, AK, USA *fair fair ROGUE SNR-8000 X X X X X X X
Fortaleza, Brazil fort fort ROGUE SNR-8000 X X X X X
Graz, Austria graz graz ROGUE SNR-8 X X X X X X X
Guam, USGS Observatory guam guam ROGUE SNR-8000 X X X X X X X
Hartebeesthoek, S. Africa *hart hart ROGUE SNR-8 X X X X X X X
Herstmonceux, UK hers hers ROGUE SNR-8A X X X
Hobart Tasmania, Australia hob2 hob2 ROGUE SNR-8100 X X X X X X X
Bangalore, India iisc iisc ROGUE SNR-8000 X X X X X X X
Jozefoslaw, Poland joze joze TRIMBLE 4000 SSE X X X X X X X
Kerguelen Islands kerg kerg ROGUE SNR-8C X X X X X X X
Kiruna, Sweden kiru kiru ROGUE SNR-8000 X X X X X X X
Kitab, Uzbekistan kit3 kit3 ROGUE SNR-8000 X X X X X X
Kokee Park, HI, USA *kokr kokb ROGUE SNR-8000 X X X X
Kootwijk Obs., Netherlands *kosg kosg ROGUE SNR-8000 X X X X X X X
Kourou, Fr. Guyana kour kour ROGUE SNR-8C X X X X X X X
La Plata, Argentina lpgs lpgs ROGUE SNR-8000 X X X X X X
Macca, Antarctica mac1 mac1 ROGUE SNR-8100 X X X X X X X
Madrid DSN, Spain *ds60 madr ROGUE SNR-8 X X X X X X X
Maspalomas, Canary Is. mas1 mas1 ROGUE SNR-8100 X X X X X X X
Matera, Italy mate mate ROGUE SNR-8 X X X X X X X
McDonald Obs, TX, USA mdo1 mdo1 ROGUE SNR-8000 X X X X X X X
McMurdo, Antarctica new mcm4 mcm4 ROGUE SNR-8000 X X X X X X X
Metsahovi, Finland mets mets ROGUE SNR-8C X
North Liberty, Iowa, USA nlib nlib ROGUE SNR-8000 X X X X X X X
Onsala, Sweden onsa onsa ROGUE SNR-8000 X X X X X X X
Pamatai, Tahiti pama pama ROGUE SNR-800 X X X X X X
Penticton, Canada *drao drao ROGUE SNR-8000 X X X X X X X
Perth, Australia pert pert ROGUE SNR-8100 X X X X X X X
Pie Town, NM, USA pie1 pie1 ROGUE SNR-8000 X X X X X X X
Potsdam, Germany pots pots ROGUE SNR-8000 X X X X X X X
Richmond, FL, USA rcm5 rcm5 ROGUE SNR-8000 X X X X X X X
Santiago, Chile *sant sant ROGUE SNR-8 X X X X X X X
Saint John's, Canada stjo stjo ROGUE SNR-8000 X X X X X X X
Seychelles sey1 sey1 ROGUE SNR-8000 X X X X X X X
Shanghai Observatory, China shao shao ROGUE SNR-8100 X X X X X X X
Tidbinbilla, Australia *ds42 tidb ROGUE SNR-8 X X X X X X X
Tromso, Norway *trom trom ROGUE SNR-8 X
Tsukuba-Kashima, Japan tskb tskb ROGUE SNR-8000 X X X X X X X
Usuda, Japan usu3 usud ROGUE SNR-8000 X X X X X X X
Villafranca, Spain vill vill ROGUE SNR-8100 X X X X X X X
Westford, MA, USA wes2 wes2 ROGUE SNR-8000 X X X X X X X
Wettzell, Germany *wtz1 wett ROGUE SNR-8000 X X X X X X X
Yarragadee, Australia *yar1 yar1 ROGUE SNR-8 X X X X X X
Yellowknife, Canada *yell yell ROGUE SNR-8000 X X X X X X X
Zimmerwald, Switzerland zimm zimm TRIMBLE 4000 SSE X X X X X X X
Zwenigorod, Russia zwen zwen ROGUE SNR-8000 X X X X X
* Tightly constrained to ITRF93 coordinates
+ PGGA/DGGA/BARD coordinates are treated as stochastic parameters;
All other coordinates are constrained to 10 m in all components
Earth Rotation Parameters:
MJD Xpole Ypole UT1-UTC LOD Xsig Ysig UTs LODs Nr Nf Nt Xrt Yrt Xrts Yrts XYcorr XUTcor YUTcor
10**-5" usec us/d 10**-5" us us/d 10**-5/d 10**-5/d
50054.50 -10281 11312 -376243 2480 12 13 0 26 100 12 24 -435 183 12 15 -0.059 0.000 0.000
50055.50 -10716 11498 -378546 2348 9 11 25 25 101 12 24 -433 186 7 8 -0.053 0.021 -0.006
50056.50 -11160 11708 -380596 2227 10 11 41 25 98 10 24 -444 233 7 8 -0.028 0.027 -0.007
50057.50 -11557 11916 -382389 2089 10 11 53 25 99 12 24 -353 184 7 8 -0.020 0.023 -0.008
50058.50 -11889 12113 -384130 2090 10 11 63 26 100 12 24 -332 198 7 8 -0.017 0.019 -0.010
50059.50 -12199 12309 -385839 2108 10 12 72 26 98 11 24 -277 203 8 10 -0.016 0.027 -0.010
50060.50 -12476 12495 -387603 2158 16 19 84 32 97 12 24 -277 171 17 20 -0.018 0.036 0.016
Orbit overlap:
DAY# 337 338 339 340 341 342 343
alo/crs/rad alo/crs/rad alo/crs/rad alo/crs/rad alo/crs/rad alo/crs/rad alo/crs/rad
PRN 1 0.3 0.3 0.0 0.1 0.0 0.0 0.5 0.2 0.1 0.5 0.1 0.1 0.3 0.1 0.1 0.3 0.1 0.1 0.4 0.2 0.2
PRN 2 0.5 0.2 0.1 0.8 0.3 0.3 0.6 0.2 0.2 0.2 0.1 0.1 0.4 0.2 0.1 0.5 0.1 0.2* 0.3 0.1 0.2*
PRN 4 0.8 0.3 0.2* 0.5 0.5 0.2* 0.2 0.1 0.1* 0.2 0.1 0.0* 0.1 0.1 0.1* 0.2 0.1 0.1* 0.5 0.2 0.2*
PRN 5 0.1 0.1 0.0 0.2 0.2 0.1 0.2 0.1 0.1 0.4 0.1 0.1 0.4 0.2 0.1 0.5 0.2 0.2 0.2 0.1 0.1
PRN 6 0.2 0.2 0.1 0.1 0.1 0.1 0.2 0.1 0.1 0.2 0.2 0.1 0.2 0.0 0.1 0.3 0.2 0.1 0.3 0.3 0.1
PRN 7 0.1 0.4 0.0 0.5 0.4 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.3 0.1 0.1 0.2 0.2 0.1 0.3 0.1 0.2
PRN 9 0.3 0.2 0.0 0.1 0.2 0.0 0.2 0.1 0.1 0.2 0.2 0.1 0.2 0.1 0.1 0.2 0.2 0.1 0.2 0.2 0.1
PRN14 0.4 0.3 0.1 0.4 0.1 0.0 0.5 0.3 0.1 0.2 0.2 0.0 0.2 0.1 0.1 0.1 0.1 0.1 0.3 0.1 0.1
PRN15 0.2 0.3 0.2* 0.7 0.4 0.1* 0.4 0.4 0.1* 0.3 0.2 0.0* 0.3 0.3 0.0* 0.2 0.2 0.0* 0.4 0.3 0.1*
PRN16 0.3 0.0 0.1 0.3 0.2 0.0 0.5 0.2 0.1 0.3 0.1 0.1 0.1 0.1 0.0 0.2 0.1 0.1 0.1 0.1 0.1
PRN17 0.5 0.3 0.1* 0.3 0.1 0.1* 0.5 0.2 0.1* 0.3 0.1 0.1* 0.6 0.2 0.1* 0.2 0.1 0.1* 0.3 0.1 0.1*
PRN18 0.2 0.3 0.1 0.2 0.1 0.1 0.6 0.2 0.1 0.3 0.3 0.1 0.3 0.1 0.1 0.1 0.1 0.0 0.1 0.1 0.0
PRN19 0.4 0.1 0.2 0.3 0.2 0.1 0.4 0.2 0.1 0.3 0.2 0.1 0.3 0.2 0.1 0.3 0.2 0.1 0.2 0.2 0.1
PRN20 0.3 0.2 0.1 0.2 0.1 0.1 0.3 0.2 0.1 0.3 0.1 0.1 0.4 0.2 0.1 0.3 0.1 0.1 0.1 0.1 0.0
PRN21 0.3 0.1 0.0 0.2 0.1 0.1 0.2 0.1 0.1 1.0 0.4 0.3 1.1 0.4 0.1 0.7 0.2 0.1 0.5 0.2 0.2
PRN22 0.2 0.1 0.1 0.3 0.3 0.1 0.3 0.2 0.1 0.5 0.2 0.2 0.4 0.2 0.1 0.5 0.2 0.1 0.3 0.2 0.1*
PRN23 0.2 0.1 0.1 1.0 0.5 0.1 0.4 0.2 0.1 0.7 0.3 0.2 0.6 0.2 0.2 1.7 0.7 0.2 0.6 0.3 0.1
PRN24 0.3 0.1 0.1* 0.2 0.2 0.1* 0.2 0.1 0.1* 0.4 0.2 0.1* 0.3 0.3 0.1* 0.3 0.3 0.1* 0.4 0.2 0.1*
PRN25 0.2 0.1 0.0 0.5 0.4 0.1 0.2 0.0 0.0 0.3 0.2 0.1 0.3 0.2 0.0 0.2 0.1 0.1 0.4 0.2 0.1
PRN26 0.1 0.1 0.0 0.3 0.2 0.1 0.3 0.1 0.0 0.3 0.1 0.1 0.4 0.1 0.1 0.2 0.2 0.1 0.5 0.3 0.2
PRN27 0.5 0.3 0.1 0.2 0.1 0.1 0.4 0.2 0.2 0.4 0.2 0.1 0.5 0.3 0.1 0.6 0.2 0.2 0.5 0.2 0.1
PRN28 0.0 0.1 0.0 0.4 0.2 0.1 0.2 0.1 0.1 0.3 0.2 0.1 0.2 0.1 0.0 0.1 0.1 0.0 0.2 0.1 0.1
PRN29 0.0 0.1 0.0 0.2 0.1 0.1 0.5 0.2 0.1 0.1 0.2 0.0 0.2 0.1 0.1 0.2 0.1 0.1 0.3 0.2 0.1
PRN31 0.4 0.2 0.1 0.1 0.1 0.0 0.2 0.1 0.1 0.3 0.2 0.1 0.1 0.1 0.1 0.5 0.1 0.1 0.3 0.1 0.1
Note: Along track, cross track, and radial components (in meters) from 16 hours of orbital overlap with
previous day. Zero values indicate no overlap available.
* indicates that the satellite is in eclipse sometime during that day.
California station statistics for GPS Week #0830
(repeatability with respect to ITRF93 reference frame)
Stations enu S# # mean length sig wrms nrms
(m) (m) (mm) (-)
AOA1_GPS N 1 6 3802389.0189 .0010 2.2 .92
AOA1_GPS E 1 6 22215944.5713 .0029 7.0 1.82
AOA1_GPS U 1 6 246.5652 .0046 5.9 .53
BRAN_GPS N 1 6 3805444.8803 .0010 1.6 .66
BRAN_GPS E 1 6 22259353.3646 .0028 6.8 1.77
BRAN_GPS U 1 6 246.2708 .0047 6.4 .55
CAT1_GPS N 1 6 3723166.0744 .0010 1.6 .63
CAT1_GPS E 1 6 22433401.8867 .0029 7.1 1.81
CAT1_GPS U 1 6 3.9200 .0047 5.9 .52
CHIL_GPS N 1 6 3821979.0089 .0010 1.4 .58
CHIL_GPS E 1 6 22243045.9050 .0030 7.3 1.91
CHIL_GPS U 1 6 1567.5154 .0046 4.4 .39
CIT1_GPS N 1 6 3800080.8762 .0010 2.5 1.02
CIT1_GPS E 1 6 22285995.7834 .0029 7.0 1.85
CIT1_GPS U 1 6 215.2522 .0046 9.2 .82
CLAR_GPS N 1 6 3797099.6956 .0010 2.1 .87
CLAR_GPS E 1 6 22331362.6256 .0030 7.3 1.92
CLAR_GPS U 1 6 373.6355 .0045 6.8 .61
CMP9_GPS N 1 6 3824178.3338 .0010 2.3 .93
CMP9_GPS E 1 6 22202306.0366 .0030 7.3 1.91
CMP9_GPS U 1 6 1138.0874 .0047 8.2 .72
DAM1_GPS N 1 6 3822042.8031 .0016 3.8 1.54
DAM1_GPS E 1 6 22208909.0949 .0029 7.1 1.83
DAM1_GPS U 1 6 584.0737 .0050 7.8 .63
DAM2_GPS N 1 5 3822136.2593 .0018 4.0 1.63
DAM2_GPS E 1 5 22208954.7932 .0028 6.2 1.63
DAM2_GPS U 1 5 583.3683 .0056 10.2 .81
GOLD_GPS N 1 21 3943510.3742 .0004 .5 .27
GOLD_GPS E 1 21 22052721.7108 .0010 4.5 1.24
GOLD_GPS U 1 21 986.6624 .0021 5.1 .52
HOLC_GPS N 1 6 3835867.6617 .0010 1.6 .66
HOLC_GPS E 1 6 22226928.9230 .0027 6.7 1.76
HOLC_GPS U 1 6 1238.1654 .0045 6.1 .55
HOLP_GPS N 1 6 3776462.3163 .0010 1.6 .64
HOLP_GPS E 1 6 22337971.7933 .0028 7.0 1.81
HOLP_GPS U 1 6 -6.6754 .0046 7.3 .65
JPLM_GPS N 1 5 3807663.0235 .0011 2.0 .81
JPLM_GPS E 1 5 22263618.7111 .0030 6.8 1.80
JPLM_GPS U 1 5 423.9936 .0050 6.4 .58
LBCH_GPS N 1 6 3761237.1379 .0010 .9 .37
LBCH_GPS E 1 6 22370711.9924 .0027 6.6 1.72
LBCH_GPS U 1 6 -27.5294 .0051 6.5 .52
LEEP_GPS N 1 6 3799846.2344 .0010 1.8 .75
LEEP_GPS E 1 6 22268832.3550 .0028 6.9 1.81
LEEP_GPS U 1 6 485.0662 .0045 7.8 .71
LONG_GPS N 1 6 3797319.1766 .0010 2.0 .79
LONG_GPS E 1 6 22304210.0817 .0030 7.3 1.88
LONG_GPS U 1 6 74.2855 .0050 7.9 .64
OAT2_GPS N 1 6 3821585.9143 .0010 2.5 1.03
OAT2_GPS E 1 6 22191670.6317 .0027 6.6 1.73
OAT2_GPS U 1 6 1112.5846 .0046 6.0 .54
PVEP_GPS N 1 6 3756285.6649 .0010 .9 .36
PVEP_GPS E 1 6 22363335.3793 .0028 6.8 1.75
PVEP_GPS U 1 6 69.4330 .0046 9.8 .86
QUIN_GPS N 1 7 4449947.0683 .0009 2.0 .84
QUIN_GPS E 1 7 20393071.3718 .0019 4.7 .97
QUIN_GPS U 1 7 1105.7735 .0043 5.2 .46
ROCK_GPS N 1 6 3811097.6385 .0010 1.5 .63
ROCK_GPS E 1 6 22208982.2044 .0028 6.9 1.80
ROCK_GPS U 1 6 553.3803 .0046 5.6 .50
SPK1_GPS N 1 6 3791468.4673 .0011 1.4 .56
SPK1_GPS E 1 6 22258520.7745 .0027 6.7 1.67
SPK1_GPS U 1 6 440.1363 .0049 5.1 .42
UCLP_GPS N 1 6 3792557.0194 .0010 1.2 .49
UCLP_GPS E 1 6 22275098.3259 .0025 6.2 1.63
UCLP_GPS U 1 6 111.5592 .0046 8.0 .72
USC1_GPS N 1 6 3787528.7037 .0010 2.1 .85
USC1_GPS E 1 6 22300855.4870 .0029 7.0 1.81
USC1_GPS U 1 6 21.9584 .0049 7.2 .61
WHC1_GPS N 1 6 3782623.3066 .0010 1.5 .63
WHC1_GPS E 1 6 22336335.2587 .0028 6.8 1.79
WHC1_GPS U 1 6 94.3179 .0046 7.1 .63
WHI1_GPS N 1 6 3781946.6873 .0012 1.6 .57
WHI1_GPS E 1 6 22337535.8507 .0027 6.6 1.62
WHI1_GPS U 1 6 65.7421 .0072 5.8 .33
S# = session number, # = number of daily solutions
sig = standard deviation of weighted mean (unscaled)
wrms = weighted root mean square error (repeatability)
nrms = normalized rms (can be used to scale sig)
_____________________________________________________________________________
Remarks: (1) IGS and regional data are analyzed using two-tier (global and
regional distributed processing. The IGS data are divided into
two subnetworks, analyzed individually by GAMIT, and combined
in GLOBK to produce precise ephemerides. These are tightly
constrained in separate GAMIT solutions of the following
four regional subnetworks:
(1) California regional PGGA/BARD (ambiguities fixed)
(2) Los Angeles Basin DGGA (ambiguities fixed)
(3) North America CORS (ambiguities free)
(4) Western Europe (ambiguities free).
The weekly solution reported here is generated by GLOBK,
combining the six daily solutions (2 global and 4 regional)
for each day of the week (42 total solutions).
(2) The site coordinate repeatabilities reported in this newsletter
are the direct results of the GLOBK adjustment. We then apply
a filter to remove a common-mode position error from the
California sites. The filtered (and unfiltered) series are
available through the SOPAC Home Page (http://jon.ucsd.edu),
under SCIGN/SCIGN Map (click on site of interest).
(3) PGGA - Permanent GPS Geodetic Array (Southern California)
DGGA - Dense GPS Geodetic Array (Los Angeles Basin)
BARD - Bay Area Regional Deformation Array (Northern California)
CORS - Continuously Operating Reference Stations (United States)
[Mailed From: pgga at pgga.UCSD.EDU (Geodesy Lab account)]
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