2171 192
2172 192
2173 192
2174 192
2175 192          1992 coefficients in use
2171 292
2172 292
2173 292  2422398  2360431  2260423  2360434
2174 292                                                                     422
2175 292          1992 coefficients in use
2171 392                                               2420432
2172 392           2300398           2300405                             2000383
2173 392  2200394  2000432  2300364           2660424
2174 392  2520395  2100399                             2100460               408
2175 392          1992 coefficients in use
2171 492           2100422  2000414                    2400394
2172 492           2500473                    1800449  2000404  1900387
2173 492                             2300388  1720374                    2000374
2174 492                                      2500351  1800355               399
2175 492          1992 coefficients in use
2171 592  1700334
2172 592
2173 592
2174 592                                                                     334
2175 592          1992 coefficients in use
2171 692
2172 692
2173 692 Instrument down...
2174 692
2175 692 Instrument moved to Geophysical Institute @ University of Fairbanks.