Event label Optional label Method/Device Abbreviation O2A Registry URI Date/Time Latitude Longitude Elevation Date/Time end Latitude end Longitude end Elevation end Comment NOGRAM_1999_25 Aircraft AC 1999-08-05T11:35:41 78.20409 15.25353 1999-08-05T13:42:15 78.24652 15.49131 NOGRAM_1999_26 Aircraft AC 1999-08-07T08:43:29 78.24658 15.49152 1999-08-07T13:08:54 81.59628 -16.65887 NOGRAM_1999_27 Aircraft AC 1999-08-12T20:55:09 81.59621 -16.65927 1999-08-13T00:38:23 79.06895 11.98909 NOGRAM_1999_28 Aircraft AC 1999-08-13T15:46:25 78.24645 15.49173 1999-08-13T21:33:25 78.24648 15.49040 NOGRAM_1999_29 Aircraft AC 1999-08-16T14:09:09 78.24653 15.49134 1999-08-16T18:11:04 81.59646 -16.65984 NOGRAM_1999_30 Aircraft AC 1999-08-17T10:06:35 81.59645 -16.65892 1999-08-17T14:52:56 81.59545 -16.66094 NOGRAM_1999_31 Aircraft AC 1999-08-17T16:31:59 81.59619 -16.65843 1999-08-17T21:37:03 81.59720 -16.65897 NOGRAM_1999_32 Aircraft AC 1999-08-18T10:26:26 81.59623 -16.65960 1999-08-18T14:36:56 78.24655 15.48989 NOGRAM_1999_33 Aircraft AC 1999-08-19T08:50:38 78.24659 15.49031 1999-08-19T14:40:09 78.24629 15.49049 NOGRAM_1999_34 Aircraft AC 1999-08-20T09:05:01 78.24662 15.49032 1999-08-20T14:25:40 78.24655 15.49063 NOGRAM_1999_35 Aircraft AC 1999-08-21T08:41:55 78.24644 15.49147 1999-08-21T12:39:20 81.59607 -16.65760 NOGRAM_1999_36 Aircraft AC 1999-08-22T09:58:13 81.59621 -16.65817 1999-08-22T14:35:58 81.00922 -13.37800 NOGRAM_1999_19992504 Radio-echo sounding RES 75.17409 -42.13387 75.09533 -42.28104 NOGRAM_1999_19992513 Radio-echo sounding RES 75.12735 -42.27462 77.76156 -33.70073 NOGRAM_1999_19992601 Radio-echo sounding RES 80.33623 -25.04302 79.06393 -31.48139 NOGRAM_1999_19992602 Radio-echo sounding RES 79.07420 -31.51500 77.83210 -35.98350 NOGRAM_1999_19992605 Radio-echo sounding RES 75.06950 -42.37780 78.22410 -44.41560 NOGRAM_1999_19992606 Radio-echo sounding RES 78.02900 -44.35830 81.30720 -29.91600 NOGRAM_1999_19992608 Radio-echo sounding RES 81.05450 -28.29970 80.27830 -36.77670 NOGRAM_1999_19992609 Radio-echo sounding RES 80.26570 -36.98160 76.27560 -37.93310 NOGRAM_1999_19992610 Radio-echo sounding RES 76.31580 -37.86640 75.08400 -42.33270 NOGRAM_1999_19992611 Radio-echo sounding RES 75.09180 -42.02920 75.05520 -35.36960 NOGRAM_1999_19992612 Radio-echo sounding RES 75.42590 -33.78430 75.08650 -42.38820 NOGRAM_1999_19992614 Radio-echo sounding RES 77.63160 -32.63950 77.51160 -32.52850 NOGRAM_1999_19992615 Radio-echo sounding RES 77.39310 -31.95280 75.09530 -42.31820 NOGRAM_1999_19992616 Radio-echo sounding RES 75.10970 -42.40280 76.94430 -28.75090 NOGRAM_1999_19992617 Radio-echo sounding RES 77.03990 -28.84200 75.10040 -42.31940 NOGRAM_1999_19992618 Radio-echo sounding RES 75.08920 -42.39310 77.75650 -25.39900 NOGRAM_1999_19992619 Radio-echo sounding RES 77.68410 -24.55560 75.09410 -42.32350 NOGRAM_1999_19992620 Radio-echo sounding RES 75.08740 -42.41760 72.60670 -38.48220 NOGRAM_1999_19992621 Radio-echo sounding RES 72.51800 -39.00950 72.56050 -38.51880 NOGRAM_1999_19992623 Radio-echo sounding RES 72.64260 -37.07470 75.09280 -42.31750 NOGRAM_1999_19992624 Radio-echo sounding RES 75.08850 -42.39380 77.47370 -24.48800 NOGRAM_1999_19992625 Radio-echo sounding RES 77.37610 -23.68800 75.09890 -42.34990 NOGRAM_1999_19992626 Radio-echo sounding RES 75.09710 -42.25170 80.99800 -43.00460 NOGRAM_1999_19992627 Radio-echo sounding RES 81.04380 -43.01960 81.62680 -19.79570 NOGRAM_1999_19992630 Radio-echo sounding RES 75.81730 -41.36990 75.10310 -42.31470 NOGRAM_1999_19992631 Radio-echo sounding RES 74.92400 -39.77600 76.14930 -26.57920 NOGRAM_1999_19992632 Radio-echo sounding RES 76.10590 -26.18610 75.08990 -42.53910 NOGRAM_1999_19992633 Radio-echo sounding RES 75.09380 -42.30480 75.15800 -42.24990 NOGRAM_1999_19992634 Radio-echo sounding RES 76.23110 -40.68520 76.65240 -40.01540 NOGRAM_1999_19992635 Radio-echo sounding RES 77.02860 -39.35980 75.89270 -29.29880 NOGRAM_1999_19992636 Radio-echo sounding RES 75.96540 -29.35240 75.10170 -41.00920 NOGRAM_1999_19992637 Radio-echo sounding RES 75.08880 -42.38260 75.56660 -41.80050 NOGRAM_1999_19992638 Radio-echo sounding RES 75.83870 -41.49610 74.03020 -30.09680 NOGRAM_1999_19992639 Radio-echo sounding RES 73.97230 -29.80640 75.11210 -42.53800 NOGRAM_1999_19992640 Radio-echo sounding RES 75.09550 -42.31640 76.29520 -39.33050 NOGRAM_1999_19992641 Radio-echo sounding RES 76.31190 -39.25300 79.02730 -38.97680 NOGRAM_1999_19992642 Radio-echo sounding RES 79.01490 -38.09630 75.09550 -42.31690 NOGRAM_1999_19992646 Radio-echo sounding RES 75.08970 -42.36410 75.09540 -42.31630 NOGRAM_1999_19992647 Radio-echo sounding RES 75.07780 -42.42830 75.87100 -35.45400 NOGRAM_1999_19992648 Radio-echo sounding RES 75.92400 -34.88480 80.51360 -33.00310 NOGRAM_1999_19992649 Radio-echo sounding RES 80.82110 -32.88210 81.24710 -32.54540 NOGRAM_1999_19993507 Radio-echo sounding RES 81.30720 -29.91600 81.55990 -21.25900 NOGRAM_1999_19993528 Radio-echo sounding RES 81.53650 -26.00330 80.43760 -40.82710 NOGRAM_1999_19993529 Radio-echo sounding RES 80.50180 -41.10940 75.81860 -41.36780 NOGRAM_1999_19993543 Radio-echo sounding RES 75.09510 -42.31670 75.08110 -42.51360 NOGRAM_1999_19993545 Radio-echo sounding RES 75.08120 -42.51400 75.09540 -42.31690 NOGRAM_1999_19993550 Radio-echo sounding RES 81.24780 -32.54470 81.65350 -32.32710 NOGRAM_1999_19993602 Radio-echo sounding RES 79.07423 -31.51500 75.09995 -42.32189 NOGRAM_1999_19993605 Radio-echo sounding RES 75.06945 -42.37777 78.22411 -44.41563 NOGRAM_1999_19993606 Radio-echo sounding RES 78.02898 -44.35828 81.30720 -29.91596 NOGRAM_1999_19993608 Radio-echo sounding RES 81.05453 -28.29973 80.27828 -36.77673 NOGRAM_1999_19993609 Radio-echo sounding RES 80.26568 -36.98164 76.27556 -37.93312 NOGRAM_1999_19993610 Radio-echo sounding RES 76.31580 -37.86636 75.08256 -42.33218 NOGRAM_1999_19993611 Radio-echo sounding RES 75.09183 -42.02916 75.05518 -35.36963 NOGRAM_1999_19993612 Radio-echo sounding RES 75.42590 -33.78431 75.08653 -42.38825 NOGRAM_1999_19993614 Radio-echo sounding RES 77.63158 -32.63946 77.51156 -32.52849 NOGRAM_1999_19993615 Radio-echo sounding RES 77.39310 -31.95283 75.09534 -42.31821 NOGRAM_1999_19993616 Radio-echo sounding RES 75.10972 -42.40281 76.94428 -28.75092 NOGRAM_1999_19993617 Radio-echo sounding RES 77.03988 -28.84196 75.10038 -42.31935 NOGRAM_1999_19993619 Radio-echo sounding RES 77.68406 -24.55559 75.09412 -42.32354 NOGRAM_1999_19993621 Radio-echo sounding RES 72.51796 -39.00950 72.56054 -38.51876 NOGRAM_1999_19993623 Radio-echo sounding RES 72.64256 -37.07475 75.09276 -42.31749 NOGRAM_1999_19993624 Radio-echo sounding RES 75.08846 -42.39381 77.47372 -24.48795 NOGRAM_1999_19993625 Radio-echo sounding RES 77.37608 -23.68799 75.09888 -42.34994 NOGRAM_1999_19993626 Radio-echo sounding RES 75.09709 -42.25170 80.99799 -43.00457 NOGRAM_1999_19993627 Radio-echo sounding RES 81.04383 -43.02346 81.62683 -19.79568 NOGRAM_1999_19993630 Radio-echo sounding RES 75.81732 -41.36988 75.10306 -42.31474 NOGRAM_1999_19993631 Radio-echo sounding RES 74.92397 -39.77597 76.14932 -26.57915 NOGRAM_1999_19993632 Radio-echo sounding RES 76.10588 -26.18607 75.08986 -42.53907 NOGRAM_1999_19993633 Radio-echo sounding RES 75.09380 -42.30479 75.15795 -42.24994 NOGRAM_1999_19993634 Radio-echo sounding RES 76.23114 -40.68522 76.65237 -40.01537 NOGRAM_1999_19993635 Radio-echo sounding RES 77.02865 -39.35984 75.89272 -29.29876 NOGRAM_1999_19993636 Radio-echo sounding RES 75.96544 -29.35236 75.10141 -41.00663 NOGRAM_1999_19993637 Radio-echo sounding RES 75.08882 -42.38261 75.56657 -41.80048 NOGRAM_1999_19993638 Radio-echo sounding RES 75.83874 -41.49606 74.03017 -30.09676 NOGRAM_1999_19993639 Radio-echo sounding RES 73.97228 -29.80645 75.11214 -42.53799 NOGRAM_1999_19993640 Radio-echo sounding RES 75.09548 -42.31645 76.29521 -39.33053 NOGRAM_1999_19993641 Radio-echo sounding RES 76.31189 -39.25301 79.02726 -38.97682 NOGRAM_1999_19993642 Radio-echo sounding RES 79.01491 -38.09631 75.09550 -42.31691 NOGRAM_1999_19993646 Radio-echo sounding RES 75.08965 -42.36411 75.09538 -42.31629 NOGRAM_1999_19993647 Radio-echo sounding RES 75.07777 -42.42833 75.87102 -35.45396 NOGRAM_1999_19993648 Radio-echo sounding RES 75.92405 -34.88477 80.51359 -33.00315 NOGRAM_1999_19993649 Radio-echo sounding RES 80.82040 -32.88254 81.24709 -32.54541