From billk at ngs.noaa.gov Mon Oct 4 08:53:29 2004 From: billk at ngs.noaa.gov (kass) Date: Mon, 4 Oct 2004 11:53:29 -0400 (EDT) Subject: [IGSREPORT-11798] Wk 1289 NOAA NGS Analysis Report Message-ID: <200410041553.LAA09136@vulcan.ngs.noaa.gov> ****************************************************************************** IGS Electronic Report 04 Oct 08:54:07 PDT 2004 Message Number 11798 ****************************************************************************** Author: NOAA/NGS GPS Analysis Center ******************************************************************************* NGS ANALYSIS REPORT GPS WEEK 1289 (Dates: 4 Sep 19 - 4 Sep 25) ******************************************************************************* National Oceanic and Atmospheric Administration (NOAA) National Geodetic Survey (NGS), SSMC-3, N/NGS2 1315 East-West Highway Silver Spring, MD, USA 20910 contacts: William Kass 301-713-3209 ext.164 billk at ngs.noaa.gov Robert Dulaney 301-713-3209 ext.168 bobd at ngs.noaa.gov fax: 301-713-4322 PRODUCTS SENT TO CDDIS: ------------------------------------------------------------------------------ NGS12897.SUM this text file NGS12897.ERP Earth rotation parameters for GPS Week 1289 NGS12897.SNX weekly GPS coordinate solutions for GPS Wk 1289 NGS1289n.SP3 GPS ephemerides for GPS Week 1289, SP3 format (n=0..6) ------------------------------------------------------------------------------ SOLUTION CHARACTERISTICS: ------------------------------------------------------------------------------ Software page5 developed at NOAA Terr. Ref. Frame nominally, ITRF2000 at current epoch Observables double-differenced carrier phase at 30-sec. intervals Arc Length 24 hours Elevation Cutoff 15 degrees Reference file://igscb.jpl.nasa.gov/igscb/center/analysis/noaa.acn ------------------------------------------------------------------------------ STATISTICAL SUMMARY OF DAILY SOLUTIONS: ------------------------------------------------------------------------ NUMBER POST-FIT DOY OBSERVATIONS RMS (MM) NO. SAT. NO. SITES NO. CONST. SITES ------------------------------------------------------------------------ 263 1019034 10.5 29 70 70 264 1029199 10.9 29 70 70 265 1014073 10.8 29 70 70 266 1012273 10.6 29 70 70 267 1012806 10.5 29 70 70 268 1012273 10.4 29 70 70 269 1019490 10.7 29 70 70 ------------------------------------------------------------------------ NUMBER OF OBSERVATIONS BY SATELLITE AND DOY: ---------------------------------------------------------------------- PRN 263 264 265 266 267 268 269 ---------------------------------------------------------------------- 01 28716 28936 29073 30515 29227 30067 32022 03 29578 29933 29292 30897 30067 29576 29708 04 34654 35291 36149 35213 36054 36264 37068 05 41754E 42697E 41304E 40707E 30160E 29230 32144 06 26611 27292 27234 27327 29162 31224 33205 07 32707 32444 30857 31497 30502 31774 30078 08 31331 31424 31419 31731 31475 30939 33155 09 28698 28695 29724 28893 34111 32750 33365 10 81440E 84796E 84052E 84150E 82986E 85324E 81416E 11 63508 60438 62278 57156 58290 56780 53842 13 60868 61656 59008 61808 57814 55238 60098 14 57040 58514 53600 54674 55884 59284 63106 15 71716 71120 68670 64670 68516 69460 72918 16 80596E 83558E 82412E 82214E 80414E 80686E 81668E 17 65686 68730 61062 64998 64680 69310 66682 18 84154E 85158E 84460E 84896E 84926E 85196E 85990E 19 66646 68908 71180 70718 71936 71210 71974 20 85332E 85856E 84050E 81876E 81436E 82820E 83294E 21 60774 62160 58044 59196 56070 54978 56318 22 86236E 83442E 84318E 83416E 83266E 82122E 83348E 23 77600 78582 75758 75266 81588 77720 77274 24 70252 67644 67274 64794 71174 71854 67498 25 74186 75132 72330 73376 75802 73532 74304 26 64918 63244 65438 67132 65050 63150 65132 27 69178 71850 68990 70750 71472 68874 67210 28 85586E 84922E 86646E 86542E 86054E 85220E 85764E 29 74480 75296 76610 73366 79136 77600 77124 30 81134E 84612E 82762E 82336E 79874E 81632E 72710E 31 68640 69356 69100 67652 67728 68908 69820 ---------------------------------------------------------------------- NOTE: E = satellite eclipsing during day GLOBAL LIST OF SITES USED DURING WEEK: ----------------------------------------------------------------------------- global: ALGO ALIC ARTU ASC1 AUCK BAHR BRUS CAS1 CEDU CHAT CHUR COCO DARW DAV1 global: DGAR DRAO FLIN FORT GLSV GODE GOLD GRAZ GUAM HOB2 HOFN HRAO IISC IRKT global: JAB1 KARR KELY KERG KIT3 KOUR KSTU LAMA LHAS LPGS MAC1 MALI MANA MAS1 global: MATE MAW1 MCM4 MDO1 MKEA NKLG NOUM NRC1 NTUS NYAL OHI2 ONSA PERT PETP global: PIE1 POL2 POTS RIOG SANT SCH2 STJO SYOG THTI THU3 TIDB TIXI TOW2 TRAB global: TSKB UNSA URUM VESL WSRT WTZR YAKT YELL ZIMM ----------------------------------------------------------------------------- NUMBER OF OBSERVATIONS BY SITE AND DOY (AVERAGE PER BASELINE): ---------------------------------------------------------------------------- ION CODE$ SITE 0123456 263 264 265 266 267 268 269 ---------------------------------------------------------------------------- ALGO* 1111111 16592 16581 15053 16521 15081 15505 16335 ALIC* 1111111 16286 16303 16253 16261 16263 16260 16281 ARTU* 1111111 14936 14603 14803 14472 14188 14296 14151 ASC1* 22 10164 13308 AUCK* 11111 1 15935 15982 16007 15414 14757 15390 BAHR* 2222222 14553 11340 10903 10843 10747 14969 10930 BRUS* 1111111 16985 16816 14744 14812 13037 14751 14468 CAS1* 343422 16678 16641 16862 16643 16910 16779 CEDU* 1111111 15907 15892 15826 15922 15937 15927 15937 CHAT* 1111111 14116 14133 14153 13588 11812 13273 14051 CHUR* 2234331 16167 15708 14069 14535 14996 15326 13350 COCO* 2222222 14040 14737 14560 14627 14537 13910 14559 DARW* 2222121 16620 16734 16663 16862 15849 15932 15881 DAV1* 3434222 18033 16725 18243 18082 18293 18247 17305 DGAR* 2221222 13238 13868 13722 13864 13264 13860 13718 DRAO* 1111111 15095 15396 15455 15413 15488 15402 15427 FLIN* 1222211 15200 15026 14628 15431 14912 15652 14782 FORT* 32222 9598 10092 9787 8820 11921 GLSV* 1111111 15905 15892 15468 15158 15197 14798 15023 GODE* 1111111 14496 14469 15083 14190 16204 14109 16049 GOLD* 1111111 14183 13524 14255 14355 14024 13462 14179 GRAZ* 11 16638 16602 GUAM* 2222221 12045 13668 13546 11209 13838 13823 13748 HOB2* 1111111 15953 16030 16010 15976 16026 15992 16011 HOFN* 2122211 15496 15717 15568 14983 14889 15585 15767 HRAO* 1111111 10222 10058 9734 11445 11454 10204 10542 IISC* 2222222 12707 13617 13216 14352 13635 14313 14129 IRKT* 1111111 13291 12262 12482 11589 12462 11955 11582 JAB1* 2122 18202 18269 18134 16082 KARR* 1111111 15125 15351 15329 15143 15269 15338 15255 KELY* 23 4 2 15134 14770 13478 15430 KERG* 1111111 14071 14244 14375 14182 12814 13548 13957 KIT3* 1 1 1 14260 14289 14395 KOUR* 2222222 7900 8587 9257 9641 9491 9940 11010 KSTU* 1 13608 LAMA* 1111111 16634 16571 16609 16690 16689 16423 16704 LHAS* 33222 13498 14475 14581 14444 14393 LPGS* 2212221 14131 13169 14116 14375 14270 13461 14328 MAC1* 1212111 14146 14152 14156 14205 14275 14232 14285 MALI* 322212 9049 8987 9738 9776 8050 9467 MANA* 3233 2 10570 12804 10259 10728 12488 MAS1* 2223222 10647 12858 12654 12628 9451 12591 12558 MATE* 111 111 12726 15837 15797 15815 16333 16218 MAW1* 3324222 16533 17653 16710 16046 15636 16031 16199 MCM4* 3444334 14573 14540 14707 14424 14714 14644 14405 MDO1* 1111111 14544 13899 12580 13883 14205 13404 12704 MKEA* 3323222 10901 11093 11301 11355 10636 11326 11269 NKLG* 2222222 9891 9676 9786 10924 10262 10378 11583 NOUM* 1121 15279 15319 15103 15128 NRC1* 1111111 16053 16030 15712 15995 16034 15905 15912 NTUS* 222222 15808 15273 15658 15735 13461 15572 NYAL* 3334222 16842 16951 16805 16639 16755 16832 16927 OHI2* 1 1111 14725 14680 14655 14611 14668 ONSA* 1111111 15910 15969 15976 15711 15611 16272 16041 PERT* 1111111 15843 16055 16068 15938 16053 16065 16019 PETP* 1111111 14434 14491 14431 12404 14474 14502 14473 PIE1* 1 111 1 15298 14653 14980 14977 14190 POL2* 1111111 14080 14187 15358 14530 15010 14515 14581 POTS* 1111111 16818 16780 16922 17009 17007 16934 16898 RIOG* 1111111 8612 14836 13170 14994 14991 14916 14827 SANT* 3222322 12447 14559 14269 14498 14574 14626 14789 SCH2* 1121211 14822 14548 15370 14787 15266 14675 14844 STJO* 1111111 15310 14973 15293 15356 15223 15158 15241 SYOG* 222 16325 16426 16254 THTI* 3222122 12450 12488 12494 11882 9656 12503 12521 THU3* 3233222 16486 16437 16677 15656 16722 16762 16787 TIDB* 1111111 15964 16025 16004 15992 16039 15977 15986 TIXI* 2223112 16671 16620 16655 16250 16767 16618 16495 TOW2* 1111111 16041 16089 16030 15535 15562 15544 15542 TRAB* 1111 1 15351 14998 14460 14957 14891 TSKB* 1111111 13133 13963 13856 10911 14069 14064 13986 UNSA* 34 232 11057 12198 12057 12661 12869 URUM* 1 1 14196 14240 VESL* 1112111 15828 15070 13806 14650 14485 14698 14877 WSRT* 111111 16968 16543 16838 16973 16720 16861 WTZR* 1111111 16429 16654 16416 17076 16484 17002 17088 YAKT* 1111111 15904 14699 14718 14076 15926 14593 14408 YELL* 1324332 14752 14470 15498 15449 15462 15554 15475 ZIMM* 11 13778 14929 ---------------------------------------------------------------------------- NOTES: * Indicates sites with constrained coordinates. $ Ion codes given for each day with data. Values are an index of (nominally) mean ionospheric variability with lower values denoting less variation. > signifies values exceeding 9.499. Some types of instrumental problems cause increases in this index unrelated to ionospheric effects. STATION GEODETIC STATISTICS FOR WEEK: -------------------------------------------------------------------------------- AVERAGE AVERAGE GEOCENTRIC COORDINATES RMS RESIDUAL (MM) SITE EPOCH X (M) Y (M) Z (M) N E U -------------------------------------------------------------------------------- ALGO* 16745.5 918129.3774 -4346071.2764 4561977.8510 2 0 0 ALIC* 16745.5 -4052052.1515 4212836.0910 -2545105.4440 1 1 1 ARTU* 16745.5 1843956.7325 3016203.1238 5291261.7307 3 2 3 ASC1* 16748.0 6118526.0636 -1572344.7385 -876451.0894 0 1 1 AUCK* 16745.2 -5105681.1887 461564.0456 -3782181.5214 1 0 1 BAHR* 16745.5 3633908.8128 4425275.5488 2799861.4701 1 1 1 BRUS* 16745.5 4027893.7581 307045.8202 4919475.1146 2 1 1 CAS1* 16745.0 -901776.1588 2409383.3570 -5816748.4744 1 0 1 CEDU* 16745.5 -3753472.5741 3912741.0231 -3347960.4968 1 1 2 CHAT* 16745.5 -4590671.1073 -275482.6835 -4404596.6057 1 0 1 CHUR* 16745.5 -236438.8542 -3307616.8510 5430049.2233 1 1 2 COCO* 16745.5 -741950.3925 6190961.6753 -1337768.2235 2 2 1 DARW* 16745.5 -4091359.0809 4684606.6589 -1408580.0431 1 1 2 DAV1* 16745.5 486854.5522 2285099.2685 -5914955.7166 1 1 1 DGAR* 16745.5 1916269.4388 6029977.4579 -801719.9420 3 3 5 DRAO* 16745.5 -2059164.8093 -3621108.4078 4814432.3295 2 1 1 FLIN* 16745.5 -766174.5611 -3611375.3304 5184056.2272 1 1 1 FORT* 16746.5 4985386.6086 -3954998.6111 -428426.3968 1 2 1 GLSV* 16745.5 3512888.9653 2068979.8787 4888903.1959 2 1 1 GODE* 16745.5 1130773.7510 -4831253.5808 3994200.4138 1 1 1 GOLD* 16745.5 -2353614.3285 -4641385.3489 3676976.4239 2 0 0 GRAZ* 16748.0 4194423.8314 1162702.6873 4647245.4053 1 0 0 GUAM* 16745.5 -5071312.7489 3568363.5560 1488904.3159 2 2 1 HOB2* 16745.5 -3950071.6757 2522415.2638 -4311638.0657 1 1 1 HOFN* 16745.5 2679689.9848 -727951.2272 5722789.2993 2 2 5 HRAO* 16745.5 5085352.4790 2668395.8240 -2768731.5528 1 2 2 IISC* 16745.5 1337936.4933 6070317.1188 1427876.7686 3 1 7 IRKT* 16745.5 -968332.3851 3794425.4188 5018167.7223 1 0 0 JAB1* 16744.0 -4236443.0739 4559929.5011 -1388624.2132 0 3 4 KARR* 16745.5 -2713832.6044 5303935.1207 -2269514.6127 1 2 6 KELY* 16745.0 1575559.1065 -1941827.9330 5848076.4841 1 6 3 KERG* 16745.5 1406337.2948 3918161.1158 -4816167.3912 3 1 2 KIT3* 16745.8 1944945.1459 4556652.2442 4004325.9838 1 1 0 KOUR* 16745.5 3839591.4025 -5059567.5825 579957.0236 1 2 2 KSTU* 16742.5 -174281.9110 3571333.0375 5264196.0276 0 0 0 LAMA* 16745.5 3524522.9294 1329693.6256 5129846.3324 2 1 1 LHAS* 16746.5 -106938.0177 5549269.5242 3139215.8428 2 1 1 LPGS* 16745.5 2780102.9906 -4437418.9148 -3629404.5236 2 1 1 MAC1* 16745.5 -3464038.6548 1334172.9167 -5169224.1854 1 1 1 MALI* 16746.0 4865366.3679 4110737.5985 -331121.5911 1 1 2 MANA* 16744.7 407981.8467 -6222925.7170 1333528.9687 4 6 11 MAS1* 16745.5 5439192.2327 -1522055.4976 2953454.8399 1 1 2 MATE* 16745.5 4641949.5685 1393045.4258 4133287.4495 3 1 1 MAW1* 16745.5 1111287.1757 2168911.2548 -5874493.6153 2 2 2 MCM4* 16745.5 -1311703.1813 310815.0167 -6213255.1573 1 0 1 MDO1* 16745.5 -1329998.7762 -5328393.3897 3236504.1536 1 0 1 MKEA* 16745.5 -5464105.2079 -2495166.4068 2148291.1741 2 1 1 NKLG* 16745.5 6287385.7685 1071574.5202 39132.8828 3 4 6 NOUM* 16747.0 -5739971.6918 1387563.5518 -2402123.2324 1 0 1 NRC1* 16745.5 1112777.2012 -4341475.8603 4522955.8074 1 1 1 NTUS* 16746.0 -1508022.9168 6195576.6508 148799.4310 1 2 8 NYAL* 16745.5 1202430.5346 252626.7060 6237767.6068 2 1 3 OHI2* 16746.3 1525811.8670 -2432478.2294 -5676165.6157 2 1 9 ONSA* 16745.5 3370658.5513 711877.1345 5349786.9402 1 1 1 PERT* 16745.5 -2368687.3291 4881316.5766 -3341795.7745 0 1 1 PETP* 16745.5 -3576239.7914 1401003.4954 5075177.4573 3 2 2 PIE1* 16745.5 -1640916.9033 -5014781.2191 3575447.0951 1 1 2 POL2* 16745.5 1239971.3751 4530790.0898 4302578.7919 2 2 0 POTS* 16745.5 3800689.6445 882077.3833 5028791.3092 1 0 1 RIOG* 16745.5 1429907.7846 -3495354.8108 -5122698.6560 3 1 3 SANT* 16745.5 1769693.5099 -5044574.1713 -3468320.9616 1 0 1 SCH2* 16745.5 1448636.7810 -3385243.7069 5191047.0331 2 1 1 STJO* 16745.5 2612631.1022 -3426807.0440 4686757.8695 1 1 1 SYOG* 16743.5 1766207.8727 1460290.3456 -5932297.6959 3 2 2 THTI* 16745.5 -5246415.5181 -3077260.0246 -1913842.2408 3 6 3 THU3* 16745.5 538093.5534 -1389088.0445 6180979.2398 1 3 4 TIDB* 16745.5 -4460996.4243 2682557.0955 -3674443.3624 1 1 1 TIXI* 16745.5 -1264873.1878 1569455.7882 6031003.4257 1 2 4 TOW2* 16745.5 -5054582.9478 3275504.3571 -2091539.3174 3 2 4 TRAB* 16744.7 3705250.3765 3084421.6993 4162044.7612 3 2 3 TSKB* 16745.5 -3957199.2466 3310199.7164 3737711.6468 2 1 1 UNSA* 16745.7 2412830.4176 -5271936.7181 -2652209.0516 1 2 7 URUM* 16745.5 193030.6382 4606851.2980 4393311.4419 3 0 2 VESL* 16745.5 2009329.7876 -99741.4725 -6033158.4512 4 3 6 WSRT* 16745.0 3828735.8735 443304.9537 5064884.7074 2 1 1 WTZR* 16745.5 4075580.5655 931853.7953 4801568.1265 2 1 1 YAKT* 16745.5 -1914998.9476 2308241.5095 5610225.5612 1 2 6 YELL* 16745.5 -1224452.6614 -2689216.1433 5633638.2752 1 1 1 ZIMM* 16743.0 4331297.0720 567555.8756 4633133.9192 0 1 0 -------------------------------------------------------------------------------- NOTES: * Indicates sites with constrained coordinates. WARNINGS: -------------------------------------------------------------------------------- 263: constrained site MALI not in data set : constrained site NTUS not in data set : constrained site OHI2 not in data set : constrained site FORT not in data set : constrained site LHAS not in data set : constrained site URUM not in data set : constrained site NOUM not in data set : constrained site ASC1 not in data set : constrained site GRAZ not in data set : PRN 01 has < 2/3 as many obs as average : PRN 03 has < 2/3 as many obs as average : PRN 04 has < 2/3 as many obs as average : PRN 06 has < 2/3 as many obs as average : PRN 07 has < 2/3 as many obs as average : PRN 08 has < 2/3 as many obs as average : PRN 09 has < 2/3 as many obs as average : DAV1 residual dE > 2*RMS = 2 mm : HRAO residual dN > 2*RMS = 2 mm : LPGS residual dN > 2*RMS = 4 mm : LPGS residual dU > 2*RMS = 2 mm : MCM4 residual dN > 2*RMS = 2 mm : POL2 residual dU > 2*RMS = 1 mm : RIOG residual dN > 2*RMS = 8 mm : VESL residual dE > 2*RMS = 5 mm : VESL residual dU > 2*RMS = 12 mm 264: constrained site KIT3 not in data set : constrained site KSTU not in data set : constrained site PIE1 not in data set : constrained site FORT not in data set : constrained site LHAS not in data set : constrained site URUM not in data set : constrained site NOUM not in data set : constrained site ASC1 not in data set : constrained site GRAZ not in data set : PRN 01 has < 2/3 as many obs as average : PRN 03 has < 2/3 as many obs as average : PRN 04 has < 2/3 as many obs as average : PRN 06 has < 2/3 as many obs as average : PRN 07 has < 2/3 as many obs as average : PRN 08 has < 2/3 as many obs as average : PRN 09 has < 2/3 as many obs as average : ALIC residual dU > 2*RMS = 2 mm : DAV1 residual dN > 2*RMS = 2 mm : MCM4 residual dE > 2*RMS = 1 mm 265: constrained site KELY not in data set : constrained site KIT3 not in data set : constrained site KSTU not in data set : constrained site UNSA not in data set : constrained site ZIMM not in data set : constrained site OHI2 not in data set : constrained site NOUM not in data set : constrained site ASC1 not in data set : constrained site GRAZ not in data set : PRN 01 has < 2/3 as many obs as average : PRN 03 has < 2/3 as many obs as average : PRN 04 has < 2/3 as many obs as average : PRN 06 has < 2/3 as many obs as average : PRN 07 has < 2/3 as many obs as average : PRN 08 has < 2/3 as many obs as average : PRN 09 has < 2/3 as many obs as average : HOFN residual dU > 2*RMS = 10 mm : IISC residual dU > 2*RMS = 15 mm : SCH2 residual dE > 2*RMS = 2 mm 266: constrained site KIT3 not in data set : constrained site KSTU not in data set : constrained site MATE not in data set : constrained site SYOG not in data set : constrained site UNSA not in data set : constrained site ZIMM not in data set : constrained site URUM not in data set : constrained site ASC1 not in data set : constrained site GRAZ not in data set : PRN 01 has < 2/3 as many obs as average : PRN 03 has < 2/3 as many obs as average : PRN 04 has < 2/3 as many obs as average : PRN 06 has < 2/3 as many obs as average : PRN 07 has < 2/3 as many obs as average : PRN 08 has < 2/3 as many obs as average : PRN 09 has < 2/3 as many obs as average : FLIN residual dN > 2*RMS = 3 mm : GUAM residual dN > 2*RMS = 5 mm : NTUS residual dE > 2*RMS = 5 mm : TIDB residual dU > 2*RMS = 2 mm 267: constrained site JAB1 not in data set : constrained site KELY not in data set : constrained site KSTU not in data set : constrained site MANA not in data set : constrained site SYOG not in data set : constrained site TRAB not in data set : constrained site ZIMM not in data set : constrained site ASC1 not in data set : constrained site GRAZ not in data set : PRN 01 has < 2/3 as many obs as average : PRN 03 has < 2/3 as many obs as average : PRN 04 has < 2/3 as many obs as average : PRN 05 has < 2/3 as many obs as average : PRN 06 has < 2/3 as many obs as average : PRN 07 has < 2/3 as many obs as average : PRN 08 has < 2/3 as many obs as average : PRN 09 has < 2/3 as many obs as average : MALI residual dN > 2*RMS = 1 mm 268: constrained site AUCK not in data set : constrained site JAB1 not in data set : constrained site KELY not in data set : constrained site KIT3 not in data set : constrained site KSTU not in data set : constrained site PIE1 not in data set : constrained site SYOG not in data set : constrained site ZIMM not in data set : constrained site URUM not in data set : PRN 01 has < 2/3 as many obs as average : PRN 03 has < 2/3 as many obs as average : PRN 04 has < 2/3 as many obs as average : PRN 05 has < 2/3 as many obs as average : PRN 06 has < 2/3 as many obs as average : PRN 07 has < 2/3 as many obs as average : PRN 08 has < 2/3 as many obs as average : PRN 09 has < 2/3 as many obs as average : ONSA residual dE > 2*RMS = 1 mm : STJO residual dE > 2*RMS = 2 mm 269: constrained site CAS1 not in data set : constrained site JAB1 not in data set : constrained site KSTU not in data set : constrained site MANA not in data set : constrained site SYOG not in data set : constrained site TRAB not in data set : constrained site WSRT not in data set : constrained site ZIMM not in data set : constrained site URUM not in data set : PRN 01 has < 2/3 as many obs as average : PRN 03 has < 2/3 as many obs as average : PRN 04 has < 2/3 as many obs as average : PRN 05 has < 2/3 as many obs as average : PRN 06 has < 2/3 as many obs as average : PRN 07 has < 2/3 as many obs as average : PRN 08 has < 2/3 as many obs as average : PRN 09 has < 2/3 as many obs as average : MATE residual dU > 2*RMS = 2 mm : SCH2 residual dU > 2*RMS = 3 mm --------------------------------------------------------------------------------