[IGSREPORT-7628] wk 1081 EMR Analysis Report
Caroline Huot
huot at geod.nrcan.gc.ca
Fri Oct 6 11:04:20 PDT 2000
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IGS Electronic Report 06 Oct 11:04:25 PDT 2000 Message Number 7628
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Author: NRCan/GSDivision
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EMR ANALYSIS REPORT GPS-WEEK 1081 Dates: 00sep24 to 00sep30
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NRCan (Natural Resources Canada, formerly Energy, Mines and Resources (EMR))
615 Booth Street, Ottawa, Canada K1A 0E9
e-mail: pierre at geod.nrcan.gc.ca, huot at geod.nrcan.gc.ca
tel: (613)992-2218 (Pierre Tetreault)
(613)996-4914 (Caroline Huot)
fax: (613)995-3215
PRODUCTS GENERATED:
The following products are generated and uploaded into CDDIS @ NASA/GSFC
EMR10810-6.SP3 GPS ephem. files for days 0-6, week #1081 in sp3 format
EMR10817.ERP pole x,y and DUT1 solutions for week #1081
EMR10817.SNX station and EOP weekly combined solution in SINEX format
EMR10817.SUM name of this text summary file
REMARKS on EMR products:
1. ALGO receiver clock used as reference time. In the sp3 EPH file sat. clock
correction value of 999999.999999 microseconds indicates that the direct clock
comparison with the reference clock is not available (e.g. ALGO not observing
a satellite).
ALGO clock error & drift were about 1433 ns (51811) & 29 ns/day w.r.t.
GPS time.
2. Date | PRN | Action | Period | Reason
+--------+-------+--------+----------------+----------------------------+
00sep27 | 23 | E | 00:00 to 23:45 | Modeling Problems
+--------+-------+--------+----------------+----------------------------+
(R) Satellite was removed from EMR SP3 file.
(E) Satellite was excluded prior to processing data.
(M) Satellite in maneuver.
SOLUTION CHARACTERISTICS
1. Solution identifier: Submission 001006
2. Software used : GIPSY/OASIS II (UNIX )
3. Definition of Terrestrial frame:
origin and orientation : Nominally IGS97
reference epoch : current date
GM : 398600.4415 km^3/s^2
gravity model : GEMT3( 8,8) +C21+S21
ocean loading : Pagiatakis, global_model
4. Solution characteristics:
undifferenced phase and smoothed pseudorange data for satellite
elevation > 15 degrees at 7.5 min. normal point interval; single
day (24h) arc with 6 IC and 3 rad. parameters per satellite
5. See IGS Mail#928 (April 05, 1995) and IGS Report#1488 (January 16, 1995)
for more details regarding EMR processing strategy.
CARRIER PHASE / PSEUDO RANGE STATISTICS
Note: F indicates a constrained fiducial site
E indicates an eclipsing satellite
Carrier Phase Statistics
rms (cm) / # obs
00sep24 00sep25 00sep26 00sep27 00sep28 00sep29 00sep30
---------------------------------------------------------------------
ALGO .40/1643 .37/1643 .36/1643 .39/1610 .36/1558 .36/1655 .41/1632
AREQ .43/1416 .00/ 0 .00/ 0 .00/ 0 .00/ 0 .46/1447 .00/ 0
ARTU .44/1534 .45/1593 .45/1539 .46/1540 .42/1560 .45/1535 .44/1602
ASC1 .00/ 0 .72/1280 .00/ 0 .00/ 0 .00/ 0 .00/ 0 .00/ 0
AUCK .44/1422 .49/1407 .44/1398 .35/1319 .39/1349 .44/1352 .43/1351
BRMU .93/1368 .81/1183 .52/1378 .87/1298 .67/1322 .64/1388 .58/1359
CAS1 .40/1184 .00/ 0 .00/ 0 .00/ 0 .00/ 0 .42/1147 .40/1228
CHAT .50/1340 .52/1254 .49/1238 .45/1116 .46/1312 .50/1142 .53/1369
CHUR .45/1466 .00/ 0 .41/1217 .42/1465 .41/1502 .41/1479 .44/1037
COCO .00/ 0 .00/ 0 .00/ 0 .00/ 0 .00/ 0 .00/ 0 .51/1656
DAV1 .00/ 0 .00/ 0 .00/ 0 .00/ 0 .41/1116 .00/ 0 .00/ 0
DRAO .43/1660 .43/1659 .39/1572 .41/1618 .00/ 0 .53/1662 .59/1637
EISL .49/1023 .55/ 746 .48/ 867 .41/ 804 .46/ 870 .44/ 783 .47/ 891
FAIR .53/1195 .00/ 0 .58/ 888 .56/1075 .61/1097 .48/1168 .00/ 0
FORT .00/ 0 .00/ 0 .90/ 689 .66/ 839 .80/ 685 .68/ 781 .00/ 0
GUAM .00/ 0 .00/ 0 .00/ 0 .00/ 0 .00/ 0 .97/1283 .00/ 0
HOB2 .46/1493 .53/1308 .50/1490 .53/1471 .61/1371 .64/1439 .57/1495
HRAO .00/ 0 .58/1378 .54/1272 .63/1525 .57/1437 .00/ 0 .62/1465
IRKT .45/1430 .48/1452 .45/1320 .48/1387 .46/1436 .44/1448 .43/1433
KIT3 .51/1461 .56/1466 .48/1434 .48/1380 .48/1451 .49/1308 .00/ 0
KOKB .51/1411 .52/1388 .51/1303 .57/1252 .71/1342 .70/1348 .77/1281
KWJ1 .55/ 943 .62/1094 .00/ 0 .00/ 0 .87/1122 .00/ 0 .47/1207
LHAS .50/1390 .59/1476 .46/1438 .48/1258 .49/1413 .47/1435 .44/1463
MAC1 .39/1477 .41/1247 .38/1315 .37/1412 .39/1210 .40/1318 .37/ 966
MAG0 .45/1515 .52/1580 .47/1600 .43/1468 .46/1514 .44/1599 .47/1569
MALI .79/ 773 .90/ 608 .78/ 580 .84/ 746 .95/ 801 .83/ 906 .80/ 852
MAS1 .47/1338 .48/1413 .49/1455 .47/1327 .43/1269 .49/1442 .51/1454
MATE .53/1236 .51/1565 .53/1531 .52/1438 .51/1494 .52/1318 .62/1590
MCM4 .51/ 660 .47/ 596 .47/ 749 .41/ 655 .45/ 717 .43/ 663 .47/ 693
MDO1 .00/ 0 .00/ 0 .00/ 0 .00/ 0 .00/ 0 .00/ 0 .39/1344
NLIB .58/1162 .51/1275 .46/1065 .53/ 989 .48/ 856 .43/1201 .48/1084
NRC1 .41/1653 .36/1649 .34/1558 .39/1609 .37/1619 .36/1655 .37/1509
NRC2 .41/1617 .36/1585 .35/1658 .39/1603 .37/1523 .35/1591 .38/1491
NTUS .00/ 0 .00/ 0 .00/ 0 .00/ 0 1.00/ 589 .00/ 0 .00/ 0
NYAL .40/1481 .35/1061 .41/1372 .37/1484 .40/1494 .39/1435 .44/1534
ONSA .46/1621 .48/1604 .45/1598 .50/1217 .49/1440 .45/1620 .46/1601
PIMO .34/ 547 .47/ 680 .00/ 0 .00/ 0 .00/ 0 .00/ 0 .00/ 0
SANT .43/1340 .52/1352 .46/1145 .42/1163 .47/1160 .42/1351 .46/1412
STJO .53/1600 .61/1677 .48/1681 .57/1639 .49/1681 .46/1692 .46/1693
SUTH .51/1274 .51/1284 .50/1129 .40/1218 .43/1146 .00/ 0 .00/ 0
SYOG .00/ 0 .00/ 0 .00/ 0 .00/ 0 .00/ 0 .58/ 140 .00/ 0
THU1 .00/ 0 .00/ 0 .00/ 0 .00/ 0 .00/ 0 .00/ 0 .63/1212
TROM .55/1455 .41/1419 .48/1300 .42/1655 .45/1459 .00/ 0 .00/ 0
TSKB .59/1293 .85/1219 .56/1303 .47/1191 .00/ 0 .00/ 0 .52/1082
USNO .00/ 0 .61/1556 .64/1640 .53/1569 .58/1511 .59/1626 .55/1652
VILL .44/1237 .52/1603 .63/1530 .50/1528 .00/ 0 .51/1610 .54/1544
YAR1 .48/1243 .50/1221 .40/1301 .49/1343 .46/1200 .47/1103 .33/ 928
YELL .00/ 0 .40/1134 .41/1253 .46/1516 .44/1435 .41/1515 .44/1088
PRN01 .49/1792 .49/1655 .49/1780 .46/1752 .49/1635 .51/1833 .47/1604
PRN02 .46/1742 .50/1725 .44/1718 .51/1772 .48/1462 .52/1786 .48/1714
PRN03 .47/1926 .47/1864 .42/1927 .44/2027 .48/1808 .48/1961 .48/1883
PRN04 E .49/1748 .52/1743 .47/1641 .51/1795 .52/1845 .55/1802 .50/1781
PRN05 .48/1772 .53/1665 .50/1756 .49/1759 .51/1753 .50/1797 .50/1834
PRN06 .51/1954 .55/1927 .52/1949 .51/1926 .59/1823 .52/1895 .55/1828
PRN07 .45/1809 .48/1722 .45/1727 .46/1830 .45/1653 .47/1787 .46/1748
PRN08 E .61/1674 .53/1678 .52/1666 .51/1847 .46/1640 .53/1793 .48/1763
PRN09 .50/1888 .52/1831 .49/1695 .54/1711 .56/1721 .52/1734 .50/1810
PRN10 .48/1883 .50/1857 .50/1705 .44/1830 .46/1709 .56/1777 .54/1745
PRN11 E .50/1834 .54/1678 .49/1788 .49/1786 .50/1717 .48/1800 .49/1660
PRN13 .45/1817 .51/1761 .52/1762 .47/1858 .50/1713 .49/1778 .51/1962
PRN15 E .65/1438 .85/1574 .71/1540 .70/1623 .74/1567 .64/1566 .64/1726
PRN17 E .48/1550 .50/1714 .43/1622 .47/1743 .54/1557 .45/1464 .48/1644
PRN19 .51/1831 .50/1726 .47/1903 .42/1988 .47/1823 .50/1845 .46/1904
PRN20 .44/1694 .47/1615 .47/1711 .54/1758 .51/1582 .48/1422 .53/1700
PRN21 .45/1631 .49/1728 .47/1753 .49/1754 .49/1633 .44/1634 .47/1689
PRN22 .50/1931 .57/1995 .44/1818 .49/2092 .56/1946 .54/1893 .50/1995
PRN23 .51/1766 .61/1829 .52/1497 .00/ 0 .55/1447 .48/1795 .51/1871
PRN24 E .46/1649 .49/1780 .49/1665 .47/1750 .49/1849 .50/1830 .47/1821
PRN25 .46/1784 .55/1855 .52/1889 .51/2012 .61/1803 .51/1821 .54/1777
PRN26 .54/1805 .52/1823 .48/1834 .50/1794 .47/1723 .51/1778 .51/1779
PRN27 .52/1681 .46/1671 .51/1744 .51/1862 .53/1636 .55/1780 .47/1786
PRN28 .49/1773 .50/1864 .46/1907 .44/1932 .46/1807 .47/1645 .47/1955
PRN29 .49/1755 .54/1709 .46/1730 .47/1745 .50/1726 .50/1700 .48/1728
PRN30 .50/1852 .57/1790 .46/1881 .51/1787 .56/1729 .49/1795 .56/1825
PRN31 .50/1922 .51/1876 .45/1841 .48/1994 .49/1754 .47/1874 .48/1872
Pseudo Range Statistics
rms (cm) / # obs
00sep24 00sep25 00sep26 00sep27 00sep28 00sep29 00sep30
---------------------------------------------------------------------
ALGO 26/1643 28/1643 30/1643 27/1610 28/1558 29/1655 27/1632
AREQ 26/1416 0/ 0 0/ 0 0/ 0 0/ 0 25/1447 0/ 0
ARTU 29/1534 30/1593 29/1496 30/1514 29/1560 30/1535 30/1602
ASC1 0/ 0 76/1280 0/ 0 0/ 0 0/ 0 0/ 0 0/ 0
AUCK 49/1423 52/1407 54/1399 52/1319 54/1351 54/1353 55/1351
BRMU 55/1378 64/1183 55/1379 58/1302 61/1322 60/1388 58/1361
CAS1 24/1184 0/ 0 0/ 0 0/ 0 0/ 0 25/1147 24/1228
CHAT 79/1340 76/1254 75/1238 73/1116 74/1313 76/1142 80/1369
CHUR 24/1466 0/ 0 23/1217 23/1465 25/1502 25/1479 25/1037
COCO 0/ 0 0/ 0 0/ 0 0/ 0 0/ 0 0/ 0 24/1656
DAV1 0/ 0 0/ 0 0/ 0 0/ 0 84/1116 0/ 0 0/ 0
DRAO 43/1660 43/1659 44/1572 43/1618 0/ 0 40/1662 35/1637
EISL 67/1023 72/ 746 76/ 867 70/ 803 80/ 869 74/ 783 77/ 891
FAIR 22/1196 0/ 0 20/ 888 20/1075 21/1099 21/1168 0/ 0
FORT 0/ 0 0/ 0 82/ 695 79/ 839 86/ 686 84/ 781 0/ 0
GUAM 0/ 0 0/ 0 0/ 0 0/ 0 0/ 0 35/1287 0/ 0
HOB2 38/1493 42/1308 45/1490 38/1471 37/1372 48/1439 45/1495
HRAO 0/ 0 75/1378 73/1275 76/1526 78/1438 0/ 0 77/1468
IRKT 63/1430 63/1452 59/1320 62/1387 61/1436 60/1448 61/1433
KIT3 37/1461 38/1466 37/1434 35/1381 35/1451 36/1308 0/ 0
KOKB 37/1416 44/1388 83/1303 57/1253 39/1342 96/1348 47/1281
KWJ1 30/ 943 30/1094 0/ 0 0/ 0 37/1125 0/ 0 31/1208
LHAS 29/1390 28/1476 28/1438 28/1258 30/1413 29/1435 29/1463
MAC1 28/1477 29/1247 29/1315 28/1412 27/1195 28/1318 30/ 966
MAG0 36/1518 35/1580 36/1601 37/1469 35/1516 36/1600 36/1569
MAS1 27/1338 25/1413 35/1447 27/1327 23/1269 28/1442 29/1454
MATE 66/1236 63/1565 65/1531 67/1438 67/1494 66/1318 59/1590
MCM4 50/ 660 51/ 596 50/ 749 61/ 655 50/ 717 51/ 663 50/ 693
MDO1 0/ 0 0/ 0 0/ 0 0/ 0 0/ 0 0/ 0 57/1344
NLIB 56/1161 63/1275 53/1065 50/ 989 52/ 866 54/1201 49/1085
NRC1 34/1654 53/1649 45/1558 38/1609 44/1619 43/1654 41/1508
NRC2 42/1618 48/1585 46/1658 43/1603 48/1523 50/1591 40/1491
NTUS 0/ 0 0/ 0 0/ 0 0/ 0 53/ 591 0/ 0 0/ 0
NYAL 52/1481 54/1061 53/1372 47/1484 46/1494 52/1435 52/1534
ONSA 38/1622 36/1604 39/1599 39/1217 36/1440 36/1620 36/1601
PIMO 81/ 547 125/ 680 0/ 0 0/ 0 0/ 0 0/ 0 0/ 0
SANT 34/1340 41/1352 37/1145 31/1163 41/1160 42/1351 53/1412
STJO 28/1601 27/1677 27/1681 28/1641 31/1682 30/1692 27/1693
SUTH 70/1278 82/1284 77/1129 76/1221 77/1149 0/ 0 0/ 0
SYOG 0/ 0 0/ 0 0/ 0 0/ 0 0/ 0 39/ 140 0/ 0
THU1 0/ 0 0/ 0 0/ 0 0/ 0 0/ 0 0/ 0 45/1212
TROM 36/1455 37/1419 35/1300 34/1655 35/1459 0/ 0 0/ 0
TSKB 56/1300 59/1219 58/1304 60/1193 0/ 0 0/ 0 60/1083
USNO 0/ 0 36/1556 40/1640 39/1569 41/1512 41/1627 40/1652
VILL 22/1237 23/1603 22/1530 23/1528 0/ 0 23/1610 23/1544
YAR1 52/1244 53/1221 50/1301 46/1346 52/1200 44/1103 61/ 928
YELL 0/ 0 36/1134 34/1253 39/1516 37/1435 37/1515 37/1088
PRN01 40/1773 48/1634 49/1768 48/1752 52/1615 48/1812 44/1604
PRN02 43/1746 49/1725 50/1718 47/1774 51/1461 52/1787 44/1705
PRN03 39/1880 45/1817 44/1885 45/1984 47/1770 44/1920 46/1835
PRN04 E 46/1748 53/1743 52/1623 52/1795 52/1845 47/1795 48/1768
PRN05 47/1705 46/1631 50/1715 42/1692 49/1696 47/1739 48/1776
PRN06 45/1911 48/1901 48/1926 45/1885 44/1771 45/1844 46/1779
PRN07 46/1792 51/1722 52/1716 48/1809 55/1644 47/1756 43/1735
PRN08 E 39/1676 42/1678 45/1667 46/1849 44/1640 51/1794 40/1763
PRN09 50/1850 49/1816 49/1665 48/1666 55/1683 48/1688 49/1810
PRN10 45/1883 52/1857 50/1707 50/1820 50/1709 51/1774 49/1722
PRN11 E 43/1798 60/1655 47/1766 44/1752 51/1687 46/1768 45/1623
PRN13 44/1817 48/1761 60/1762 55/1858 53/1713 49/1766 53/1954
PRN15 E 46/1421 47/1544 47/1549 47/1601 51/1535 44/1525 48/1730
PRN17 E 43/1507 51/1695 48/1595 49/1697 49/1514 44/1420 48/1594
PRN19 41/1813 45/1713 48/1903 41/1967 42/1824 44/1829 41/1881
PRN20 47/1694 59/1615 58/1711 54/1754 58/1582 51/1422 53/1690
PRN21 44/1565 52/1668 44/1694 43/1686 43/1567 43/1567 46/1620
PRN22 44/1869 55/1931 46/1818 49/2034 47/1885 42/1833 47/1928
PRN23 46/1694 55/1776 45/1456 0/ 0 47/1377 41/1719 45/1792
PRN24 E 44/1646 48/1780 51/1658 41/1744 49/1842 48/1823 43/1793
PRN25 43/1784 60/1797 45/1835 43/1948 43/1739 43/1757 44/1709
PRN26 40/1776 53/1820 46/1787 45/1769 49/1715 43/1768 46/1744
PRN27 42/1682 45/1671 47/1744 43/1849 46/1626 53/1770 42/1786
PRN28 46/1774 51/1864 50/1855 46/1932 45/1807 43/1601 46/1957
PRN29 44/1694 55/1649 43/1669 46/1679 50/1664 42/1641 46/1669
PRN30 44/1779 53/1743 53/1832 50/1716 56/1643 45/1726 52/1753
PRN31 44/1886 51/1841 40/1808 42/1960 43/1720 41/1841 42/1839
Station Clock Offsets Solution for 0h UT
(microsecond / sigma in ns)
00sep24 00sep25 00sep26 00sep27 00sep28 00sep29 00sep30 sig
------------------------------------------------------------------------
ALGO REF REF REF REF REF REF 1.6623 .3
AREQ 29.9587 --- --- --- --- 155.0722 --- .3
ARTU -1.5144* -1.5283* -1.5675* -1.5676* -1.6095* -1.6355* -.0158* .3
ASC1 --- -1.5184 --- --- --- --- --- 1.3
AUCK -1.4325 -1.4412 -1.4555 -1.5038 -1.5371 -1.5555 .0579 .4
BRMU -1.4321 -1.4746 -1.5102 -1.5492 -1.5667 -1.5593 .0529 .3
CAS1 -1.4489 --- --- --- --- -1.5907 .0459 .4
CHAT -1.3879 -1.4423 -1.4787 -1.5181 -1.5400 -1.5418 .1224 .4
CHUR -4.2083 --- -4.2897* -4.3362 -4.3797 -4.4240 -2.8034 .6
COCO --- --- --- --- --- --- .0435 .3
DAV1 --- --- --- --- -1.5220 --- --- .5
DRAO -1.4764 -1.4923 -1.5095 -1.5274 --- -1.7051 .3328 .3
EISL -1.5489 -1.5979 -1.6707 -1.5854 -1.6239 -1.6953* -.0488 .4
FAIR -2.3471 --- -2.4630 -2.5234 -2.5833 -2.6425 --- .7
FORT --- --- -1.2778 -1.2898 -1.3020 -1.3118 --- .4
GUAM --- --- --- --- --- -1.7376 --- .4
HOB2 -19.6736 -20.7046 -21.7380 -22.7727 -23.8035 -24.8346 -24.1995 .4
HRAO --- 335.6756 891.4957 524.6558 233.1279 --- 83.7722 .4
IRKT -1.4955 -1.5288 -1.5616 -1.5969 -1.6301 -1.6607 -.0324 .3
KIT3 -1.4586 -1.4618 -1.4680 -1.5325 -1.5505 -1.5668 --- .3
KOKB -3.7436* -3.7678 -3.7966 -3.8175 -3.8426 -3.8594 -2.2266 .4
KWJ1 -1.4815* -2.0679* --- --- -1.8832* --- .0749 .9
LHAS -1.4364 -1.4516 -1.4974 -1.5291 -1.5507 -1.5776 .0424 .3
MAC1 -1.5408* -1.5791 -1.5974 -1.6299 -1.6610 -1.6908 -.0637 .4
MAG0 -1.5100* -1.5320* -1.5487* -1.5772* -1.6202* -1.6483* -.0213* .3
MAS1 -1.1083 -1.1443 -1.1515 -1.1590 -1.1687 -1.1765 .4796 .3
MATE 540.8056* 540.5201* 540.2322* 539.9437* 539.6557* 539.3685* 540.7427* .3
MCM4 118.0142 .9741* 3.5293 21.6237 40.1916 3.6702 6.5211 .9
MDO1 --- --- --- --- --- --- -6.8865 .3
NLIB -1.6356 -.6290 -2.9951 .2589 -2.8410 -.9533 .6905 .4
NRC1 -1.5065 -1.5331 -1.5596 -1.5858 -1.6128 -1.6376 REF .3
NRC2 -1.6958 -1.7227 -1.7492 -1.7751 -1.8024 -1.8274 -.1901 .3
NTUS --- --- --- --- -1.4478* --- --- 1.8
NYAL -1.5182 -1.5635* -1.6135 -1.6638 -1.7129 -1.7619 -.1493 .3
ONSA -1.4862 -1.5155 -1.5425 -1.5706 -1.6007 -1.6289 .0083 .3
PIMO -1.4233 -1.4456 --- --- --- --- --- .8
SANT -1.3785 -1.4478 -1.5277 -1.4896* -1.5988 -1.6294* .0812 .6
STJO -.9475 -.9256 -.9190 -.9631 -1.0215 -1.0568 .5456 .3
SUTH -1.5135 -1.5059 -1.5731 -1.5471 -1.5803 --- --- .4
SYOG --- --- --- --- --- 730.4109* --- .7
THU1 --- --- --- --- --- --- .0338 .7
TROM -1.4470 -1.4752 -1.4941* -1.5162 -1.5429 --- --- .3
TSKB -1.9966 -2.0156 -2.0480 -2.0842 --- --- -.4998 .3
USNO --- -1.5546 -1.5812 -1.6086 -1.6349 -1.6597 -.1692 .3
VILL -4.2498 -4.2876 -4.3288 -4.3113 --- -4.3789 -2.7456 .3
YAR1 -1.2032* -.8991* -2.2494 -1.1048 -1.1355 -.7708* -1.4850* .5
YELL --- -1.0738 -1.0884* -1.1054 -1.1194 -1.1318 .5176 .5
Notes: * indicates epoch other than 0h UT
Sig are sigmas, in ns, averaged over 7 days
!!ms!! indicates offsets greater than 1 millisecond
global: ALGO AREQ ARTU ASC1 AUCK BRMU CAS1 CHAT CHUR COCO DAV1 DRAO EISL FAIR
global: FORT GUAM HOB2 HRAO IRKT KIT3 KOKB KWJ1 LHAS MAC1 MAG0 MALI MAS1 MATE
global: MCM4 MDO1 NLIB NRC1 NRC2 NTUS NYAL ONSA PIMO SANT STJO SUTH SYOG THU1
global: TROM TSKB USNO VILL YAR1 YELL
--
#####################################
Caroline Huot
Geomatic Canada
Geodetic Survey of Canada
615 Booth, Room #468
Ottawa, Ontario, Canada
K1A-0E9
Internet: huot at geod.nrcan.gc.ca
#####################################
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