% year, date, start time (HHMMSS, UT), end time (HHMMSS, UT), % Geographic latitude (120 km alt), Geographic longitude (120 km alt), % Alt of max(Sig_P) [km], Height-integrated Sig_P [S], % Altitude of max(Sig_H) [km], Height-integrated Sig_H [S], % Altitude of maximum(Ne) [km], Maximum(Ne) [log(m^(-3))] % Elevation, Azimuth, Kp, and Solar zenith angle (SZA) % Magic constant = 1.05 1987 512 80000 80500 69.36 19.20 124 4.543 103 6.640 145 11.218 77.5 182.6 0 56.8 1987 512 80500 81000 69.36 19.20 121 4.707 105 6.979 145 11.183 77.5 182.6 0 56.4 1987 512 81000 81500 69.36 19.20 121 4.864 105 7.109 147 11.188 77.5 182.6 0 56.1 1987 512 81500 82000 69.36 19.20 121 4.848 108 7.279 145 11.189 77.5 182.6 0 55.8 1987 512 82000 82500 69.36 19.20 121 4.792 105 7.277 147 11.230 77.5 182.6 0 55.5 1987 512 82500 83000 69.36 19.20 121 4.948 110 7.339 142 11.192 77.5 182.6 0 55.3 1987 512 83000 83500 69.36 19.20 118 5.135 110 7.659 147 11.257 77.5 182.6 0 55.0 1987 512 83500 84000 69.36 19.20 121 4.920 105 7.915 147 11.181 77.5 182.6 0 54.7 1987 512 84000 84500 69.36 19.20 121 4.842 110 7.273 147 11.195 77.5 182.6 0 54.5 1987 512 84500 85000 69.36 19.20 118 5.008 92 8.336 147 11.280 77.5 182.6 0 54.2 1987 512 85000 85130 69.36 19.20 118 5.141 103 7.595 147 11.267 77.5 182.6 0 54.0 1987 512 90500 91000 69.36 19.20 118 5.189 105 7.643 145 11.196 77.5 182.6 0 53.3 1987 512 91000 91500 69.36 19.20 121 5.024 110 7.771 147 11.188 77.5 182.6 0 53.1 1987 512 91500 92000 69.36 19.20 121 4.978 108 7.391 147 11.237 77.5 182.6 0 52.9 1987 512 92000 92500 69.36 19.20 121 4.943 108 7.776 147 11.240 77.5 182.6 0 52.7 1987 512 92500 93000 69.36 19.20 124 5.193 103 7.747 142 11.252 77.5 182.6 0 52.6 1987 512 93000 93500 69.36 19.20 121 5.253 108 7.690 147 11.268 77.5 182.6 0 52.4 1987 512 93500 94000 69.36 19.20 118 5.303 105 7.973 147 11.299 77.5 182.6 0 52.2 1987 512 94000 94500 69.36 19.20 118 5.249 108 7.988 147 11.237 77.5 182.6 0 52.1 1987 512 94500 95000 69.36 19.20 121 5.304 105 7.649 147 11.248 77.5 182.6 0 52.0 1987 512 95000 95500 69.36 19.20 124 5.080 108 7.593 145 11.226 77.5 182.6 0 51.9 1987 512 95500 100000 69.36 19.20 121 5.330 105 8.169 147 11.266 77.5 182.6 0 51.8 1987 512 100000 100500 69.36 19.20 124 5.206 105 7.873 147 11.256 77.5 182.6 0 51.7 1987 512 100500 101000 69.36 19.20 118 5.185 95 9.096 147 11.213 77.5 182.6 0 51.6 1987 512 101000 101500 69.36 19.20 118 5.429 105 8.289 147 11.276 77.5 182.6 0 51.5 1987 512 101500 102000 69.36 19.20 124 5.070 105 7.316 147 11.251 77.5 182.6 0 51.4 1987 512 102000 102500 69.36 19.20 121 5.316 110 7.768 147 11.201 77.5 182.6 0 51.4 1987 512 102500 103000 69.36 19.20 118 5.105 108 7.822 147 11.263 77.5 182.6 0 51.3 1987 512 103000 103500 69.36 19.20 118 5.135 108 7.622 145 11.234 77.5 182.6 0 51.3 1987 512 103500 104000 69.36 19.20 118 5.363 105 7.522 145 11.332 77.5 182.6 0 51.3 1987 512 104000 104500 69.36 19.20 121 5.116 108 7.550 147 11.232 77.5 182.6 0 51.3 1987 512 104500 105000 69.36 19.20 118 5.256 105 7.474 142 11.239 77.5 182.6 0 51.3 1987 512 105000 105500 69.36 19.20 121 5.430 108 7.647 145 11.222 77.5 182.6 0 51.3 1987 512 105500 110000 69.36 19.20 121 5.287 110 8.026 139 11.237 77.5 182.6 0 51.3 1987 512 110000 110500 69.36 19.20 121 5.311 108 7.942 142 11.249 77.5 182.6 0 51.4 1987 512 110500 111000 69.36 19.20 118 5.274 108 7.875 147 11.243 77.5 182.6 0 51.4 1987 512 111000 111500 69.36 19.20 118 5.154 105 7.634 147 11.234 77.5 182.6 0 51.5 1987 512 111500 112000 69.36 19.20 121 5.125 110 7.572 147 11.255 77.5 182.6 0 51.6 1987 512 112000 112500 69.36 19.20 118 4.964 105 7.654 147 11.226 77.5 182.6 0 51.7 1987 512 112500 113000 69.36 19.20 121 5.201 108 7.544 145 11.249 77.5 182.6 0 51.8 1987 512 113000 113500 69.36 19.20 118 5.080 103 7.666 145 11.210 77.5 182.6 0 51.9 1987 512 113500 114000 69.36 19.20 121 5.099 103 7.581 147 11.280 77.5 182.6 0 52.0 1987 512 114000 114500 69.36 19.20 121 4.856 103 7.364 142 11.234 77.5 182.6 0 52.1 1987 512 114500 114740 69.36 19.20 121 4.864 108 7.181 142 11.229 77.5 182.6 0 52.3 1987 512 115130 115500 69.36 19.20 121 3.988 108 5.582 139 11.114 77.5 182.6 0 52.5 1987 512 115500 120000 69.36 19.20 121 4.910 108 6.999 145 11.212 77.5 182.6 0 52.6 1987 512 120000 120500 69.36 19.20 118 5.074 110 7.599 147 11.212 77.5 182.6 0 52.8 1987 512 120500 121000 69.36 19.20 121 4.879 110 7.072 147 11.225 77.5 182.6 0 52.9 1987 512 121000 121500 69.36 19.20 121 4.752 113 7.162 147 11.254 77.5 182.6 0 53.1 1987 512 121500 122000 69.36 19.20 121 4.935 108 7.174 147 11.211 77.5 182.6 0 53.3 1987 512 122000 122500 69.36 19.20 124 4.842 110 7.156 145 11.226 77.5 182.6 0 53.6 1987 512 122500 123000 69.36 19.20 121 5.117 110 7.409 145 11.219 77.5 182.6 0 53.8 1987 512 123000 123500 69.36 19.20 121 5.000 105 7.262 147 11.204 77.5 182.6 0 54.0 1987 512 123500 124000 69.36 19.20 118 4.715 108 7.111 145 11.183 77.5 182.6 0 54.3 1987 512 124000 124500 69.36 19.20 124 4.786 110 7.133 147 11.175 77.5 182.6 0 54.5 1987 512 124500 125000 69.36 19.20 121 4.969 110 6.988 145 11.223 77.5 182.6 0 54.8 1987 512 125000 125500 69.36 19.20 118 4.882 105 7.167 147 11.246 77.5 182.6 0 55.0 1987 512 125500 130000 69.36 19.20 118 4.685 108 6.613 145 11.189 77.5 182.6 0 55.3 1987 512 130000 130500 69.36 19.20 121 4.678 110 6.897 147 11.226 77.5 182.6 0 55.6 1987 512 130500 131000 69.36 19.20 124 4.801 105 6.818 147 11.219 77.5 182.6 0 55.9 1987 512 131000 131500 69.36 19.20 121 4.626 108 6.667 147 11.176 77.5 182.6 0 56.2 1987 512 131500 132000 69.36 19.20 118 4.922 110 6.961 147 11.185 77.5 182.6 0 56.5 1987 512 132000 132500 69.36 19.20 118 4.753 110 6.846 147 11.185 77.5 182.6 0 56.8 1987 512 132500 133000 69.36 19.20 121 4.541 108 6.618 147 11.191 77.5 182.6 0 57.1 1987 512 133000 133500 69.36 19.20 118 4.716 105 6.673 147 11.176 77.5 182.6 0 57.5 1987 512 133500 134000 69.36 19.20 121 4.616 110 6.233 145 11.196 77.5 182.6 0 57.8 1987 512 134000 134500 69.36 19.20 97 5.875 97 38.459 97 12.376 77.5 182.6 0 58.1 1987 512 134500 135000 69.36 19.20 121 4.640 108 6.564 147 11.209 77.5 182.6 0 58.5 1987 512 135000 135500 69.36 19.20 118 4.567 105 6.406 147 11.191 77.5 182.6 0 58.8 1987 512 135500 140000 69.36 19.20 121 4.599 110 6.475 147 11.191 77.5 182.6 0 59.2 1987 512 140000 140500 69.36 19.20 121 4.498 110 6.353 145 11.148 77.5 182.6 0 59.6 1987 512 140500 141000 69.36 19.20 124 4.545 108 6.444 147 11.207 77.5 182.6 0 59.9 1987 512 141000 141500 69.36 19.20 121 4.431 110 6.063 145 11.164 77.5 182.6 0 60.3 1987 512 141500 142000 69.36 19.20 121 4.200 105 6.367 147 11.127 77.5 182.6 0 60.7 1987 512 142000 142500 69.36 19.20 92 5.090 92 21.179 92 12.263 77.5 182.6 0 61.1 1987 512 142500 143000 69.36 19.20 121 4.285 110 5.867 145 11.139 77.5 182.6 0 61.5 1987 512 143000 143500 69.36 19.20 121 4.347 108 6.273 147 11.176 77.5 182.6 0 61.9 1987 512 143500 144000 69.36 19.20 121 4.304 105 6.046 137 11.113 77.5 182.6 0 62.3 1987 512 144000 144500 69.36 19.20 121 4.240 110 5.649 145 11.125 77.5 182.6 0 62.7 1987 512 144500 145000 69.36 19.20 121 4.229 108 5.703 147 11.110 77.5 182.6 0 63.1 1987 512 145000 145500 69.36 19.20 121 4.196 108 5.220 145 11.145 77.5 182.6 0 63.5 1987 512 145500 150000 69.36 19.20 121 4.106 110 5.608 147 11.166 77.5 182.6 0 63.9 1987 512 150000 150500 69.36 19.20 118 4.179 108 5.486 142 11.126 77.5 182.6 0 64.3 1987 512 150500 151000 69.36 19.20 124 4.139 110 5.397 139 11.115 77.5 182.6 0 64.7 1987 512 151000 151500 69.36 19.20 121 3.859 108 5.311 139 11.076 77.5 182.6 0 65.1 1987 512 151500 152000 69.36 19.20 124 3.982 110 5.497 145 11.139 77.5 182.6 0 65.6 1987 512 152000 152500 69.36 19.20 118 3.845 110 5.119 147 11.096 77.5 182.6 0 66.0 1987 512 152500 153000 69.36 19.20 121 3.886 108 4.894 145 11.125 77.5 182.6 0 66.4 1987 512 153000 153500 69.36 19.20 121 3.844 105 5.361 147 11.089 77.5 182.6 0 66.8 1987 512 153500 154000 69.36 19.20 118 3.774 110 4.673 145 11.055 77.5 182.6 0 67.3 1987 512 154000 154500 69.36 19.20 121 3.761 108 4.865 147 11.054 77.5 182.6 0 67.7 1987 512 154500 155000 69.36 19.20 121 3.953 108 4.925 147 11.090 77.5 182.6 0 68.1 1987 512 155000 155500 69.36 19.20 121 3.829 113 4.887 142 11.097 77.5 182.6 0 68.6 1987 512 155500 160000 69.36 19.20 118 3.525 108 4.976 147 11.109 77.5 182.6 0 69.0 1987 512 160000 160500 69.36 19.20 121 3.514 108 4.389 139 11.026 77.5 182.6 0 69.4 1987 512 160500 161000 69.36 19.20 121 3.575 110 5.041 137 10.981 77.5 182.6 0 69.9 1987 512 161000 161500 69.36 19.20 124 3.558 110 4.625 147 11.033 77.5 182.6 0 70.3 1987 512 161500 162000 69.36 19.20 124 3.491 110 4.916 145 11.066 77.5 182.6 0 70.7 1987 512 162000 162500 69.36 19.20 121 3.378 110 4.453 145 11.041 77.5 182.6 0 71.2 1987 512 162500 163000 69.36 19.20 121 3.467 92 8.568 92 11.698 77.5 182.6 0 71.6 1987 512 163000 163500 69.36 19.20 124 3.404 110 4.436 145 11.001 77.5 182.6 0 72.0 1987 512 163500 164000 69.36 19.20 121 3.184 110 3.989 147 10.971 77.5 182.6 0 72.5 1987 512 164000 164500 69.36 19.20 121 3.098 110 4.238 147 11.008 77.5 182.6 0 72.9 1987 512 164500 165000 69.36 19.20 124 3.066 108 4.294 142 10.922 77.5 182.6 0 73.3 1987 512 165000 165500 69.36 19.20 121 3.058 116 4.256 147 10.925 77.5 182.6 0 73.8 1987 512 165500 170000 69.36 19.20 121 3.097 108 3.632 147 10.989 77.5 182.6 0 74.2 1987 512 170000 170500 69.36 19.20 121 3.003 110 3.802 147 10.936 77.5 182.6 0 74.6 1987 512 170500 171000 69.36 19.20 118 2.713 113 3.659 137 10.909 77.5 182.6 0 75.1 1987 512 171000 171500 69.36 19.20 121 2.876 108 3.623 147 10.983 77.5 182.6 0 75.5 1987 512 171500 172000 69.36 19.20 121 2.857 113 3.595 147 10.951 77.5 182.6 0 75.9 1987 512 172000 172500 69.36 19.20 124 2.767 110 3.582 142 10.918 77.5 182.6 0 76.3 1987 512 172500 173000 69.36 19.20 121 2.713 110 3.078 145 10.946 77.5 182.6 0 76.7 1987 512 173000 173500 69.36 19.20 121 2.794 110 3.194 147 10.871 77.5 182.6 0 77.1 1987 512 173500 174000 69.36 19.20 121 2.794 113 3.293 142 10.896 77.5 182.6 0 77.6 1987 512 174000 174500 69.36 19.20 121 2.561 110 3.300 145 10.865 77.5 182.6 0 78.0 1987 512 174500 175000 69.36 19.20 121 2.434 116 2.986 121 10.818 77.5 182.6 0 78.4 1987 512 175000 175500 69.36 19.20 121 2.466 87 2.872 147 10.815 77.5 182.6 0 78.8 1987 512 175500 180000 69.36 19.20 126 2.349 110 2.758 137 10.838 77.5 182.6 0 79.2 1987 512 180000 180500 69.36 19.20 121 2.307 108 3.067 147 10.778 77.5 182.6 1 79.6 1987 512 180500 181000 69.36 19.20 121 2.306 110 2.494 145 10.776 77.5 182.6 1 80.0 1987 512 181000 181500 69.36 19.20 121 2.242 110 2.343 147 10.803 77.5 182.6 1 80.4 1987 512 181500 182000 69.36 19.20 121 2.357 113 2.554 139 10.848 77.5 182.6 1 80.7 1987 512 182000 182500 69.36 19.20 124 2.030 110 2.080 142 10.781 77.5 182.6 1 81.1 1987 512 182500 183000 69.36 19.20 118 1.876 103 1.929 145 10.728 77.5 182.6 1 81.5 1987 512 183000 183500 69.36 19.20 121 1.917 116 2.366 147 10.728 77.5 182.6 1 81.9 1987 512 183500 184000 69.36 19.20 118 1.936 87 2.573 147 10.810 77.5 182.6 1 82.2 1987 512 184000 184500 69.36 19.20 118 1.883 110 2.323 142 10.742 77.5 182.6 1 82.6 1987 512 184500 185000 69.36 19.20 121 1.926 110 2.118 132 10.771 77.5 182.6 1 83.0 1987 512 185000 185500 69.36 19.20 118 2.106 118 2.021 134 10.802 77.5 182.6 1 83.3 1987 512 185610 190000 69.36 19.20 118 1.768 113 2.299 145 10.710 77.5 182.6 1 83.7 1987 512 190000 190500 69.36 19.20 121 1.776 110 2.069 145 10.768 77.5 182.6 1 84.0 1987 512 190500 191000 69.36 19.20 116 1.799 116 1.890 147 10.752 77.5 182.6 1 84.3 1987 512 191000 191500 69.36 19.20 124 1.938 110 1.995 129 10.737 77.5 182.6 1 84.7 1987 512 191500 192000 69.36 19.20 121 1.575 116 1.982 145 10.693 77.5 182.6 1 85.0 1987 512 192000 192500 69.36 19.20 121 1.552 113 1.718 147 10.731 77.5 182.6 1 85.3 1987 512 192500 193000 69.36 19.20 118 1.560 116 1.730 145 10.676 77.5 182.6 1 85.6 1987 512 193000 193500 69.36 19.20 118 1.644 110 1.687 145 10.727 77.5 182.6 1 85.9 1987 512 193500 194000 69.36 19.20 118 1.188 110 1.310 145 10.567 77.5 182.6 1 86.2 1987 512 194000 194500 69.36 19.20 121 1.504 110 1.593 139 10.704 77.5 182.6 1 86.5 1987 512 194500 195000 69.36 19.20 124 1.359 108 1.335 147 10.680 77.5 182.6 1 86.8 1987 512 195000 195500 69.36 19.20 121 1.334 108 1.490 139 10.662 77.5 182.6 1 87.1 1987 512 195500 200000 69.36 19.20 124 1.497 97 1.608 147 10.724 77.5 182.6 1 87.4 1987 512 200000 200500 69.36 19.20 126 1.214 113 1.484 147 10.711 77.5 182.6 1 87.6 1987 512 200500 201000 69.36 19.20 124 1.406 95 1.956 134 10.681 77.5 182.6 1 87.9 1987 512 201000 201500 69.36 19.20 118 1.428 116 1.746 132 10.704 77.5 182.6 1 88.1 1987 512 201500 202000 69.36 19.20 124 1.210 116 1.005 137 10.677 77.5 182.6 1 88.4 1987 512 202000 202500 69.36 19.20 121 1.297 97 1.439 147 10.852 77.5 182.6 1 88.6 1987 512 202500 203000 69.36 19.20 121 1.350 108 1.770 137 10.661 77.5 182.6 1 88.9 1987 512 203000 203500 69.36 19.20 124 1.022 110 1.292 139 10.588 77.5 182.6 1 89.1 1987 512 203500 204000 69.36 19.20 121 1.086 87 1.574 142 10.654 77.5 182.6 1 89.3 1987 512 204000 204500 69.36 19.20 121 1.157 97 1.171 137 10.678 77.5 182.6 1 89.5 1987 512 204500 205000 69.36 19.20 124 0.826 113 1.148 132 10.524 77.5 182.6 1 89.7 1987 512 205000 205500 69.36 19.20 124 1.060 97 1.210 124 10.636 77.5 182.6 1 89.9 1987 512 205500 210000 69.36 19.20 121 1.152 103 1.251 145 10.710 77.5 182.6 1 90.1 1987 512 210000 210500 69.36 19.20 121 1.276 110 1.360 139 10.700 77.5 182.6 1 90.3 1987 512 210500 211000 69.36 19.20 116 1.177 105 1.869 139 10.626 77.5 182.6 1 90.4 1987 512 211000 211500 69.36 19.20 124 1.063 110 1.502 147 10.727 77.5 182.6 1 90.6 1987 512 211500 212000 69.36 19.20 121 1.323 105 1.767 129 10.759 77.5 182.6 1 90.7 1987 512 212000 212500 69.36 19.20 118 3.742 110 8.863 110 11.088 77.5 182.6 1 90.9 1987 512 212500 213000 69.36 19.20 118 4.710 105 12.388 105 11.250 77.5 182.6 1 91.0 1987 512 213000 213500 69.36 19.20 118 4.289 110 10.750 110 11.197 77.5 182.6 1 91.2 1987 512 213500 214000 69.36 19.20 118 4.416 108 10.425 116 11.190 77.5 182.6 1 91.3 1987 512 214000 214500 69.36 19.20 118 4.890 108 12.086 108 11.285 77.5 182.6 1 91.4 1987 512 214500 215000 69.36 19.20 121 5.133 105 13.011 105 11.315 77.5 182.6 1 91.5 1987 512 215000 215500 69.36 19.20 121 4.645 105 11.685 105 11.262 77.5 182.6 1 91.6 1987 512 215500 220000 69.36 19.20 118 4.600 103 13.414 103 11.271 77.5 182.6 1 91.7 1987 512 220000 220500 69.36 19.20 118 4.733 105 14.181 105 11.274 77.5 182.6 1 91.7 1987 512 220500 221000 69.36 19.20 118 3.874 105 12.528 105 11.252 77.5 182.6 1 91.8 1987 512 221000 221500 69.36 19.20 118 3.450 108 9.441 108 11.151 77.5 182.6 1 91.8 1987 512 221500 222000 69.36 19.20 121 3.042 108 8.509 108 11.097 77.5 182.6 1 91.9 1987 512 222000 222500 69.36 19.20 121 3.221 108 7.750 110 11.055 77.5 182.6 1 91.9 1987 512 222500 223000 69.36 19.20 118 3.506 105 8.544 108 11.122 77.5 182.6 1 92.0 1987 512 223000 223500 69.36 19.20 118 3.668 108 9.112 108 11.153 77.5 182.6 1 92.0 1987 512 223500 224000 69.36 19.20 121 2.278 105 4.726 108 10.859 77.5 182.6 1 92.0 1987 512 224000 224500 69.36 19.20 116 1.901 108 3.983 113 10.838 77.5 182.6 1 92.0 1987 512 224500 225000 69.36 19.20 118 2.003 108 3.824 108 10.821 77.5 182.6 1 92.0 1987 512 225000 225500 69.36 19.20 118 2.039 108 4.154 108 10.845 77.5 182.6 1 92.0 1987 512 225500 230000 69.36 19.20 116 1.789 110 3.493 113 10.756 77.5 182.6 1 91.9 1987 512 230000 230500 69.36 19.20 121 1.428 108 3.134 108 10.721 77.5 182.6 1 91.9 1987 512 230500 231000 69.36 19.20 121 1.424 110 1.982 145 10.724 77.5 182.6 1 91.9 1987 512 231000 231500 69.36 19.20 118 1.174 108 2.299 147 10.560 77.5 182.6 1 91.8 1987 512 231500 232000 69.36 19.20 121 1.590 110 2.166 142 10.741 77.5 182.6 1 91.8 1987 512 232000 232500 69.36 19.20 116 1.800 113 3.063 139 10.821 77.5 182.6 1 91.7 1987 512 232500 233000 69.36 19.20 118 1.329 108 2.294 118 10.676 77.5 182.6 1 91.6 1987 512 233000 233500 69.36 19.20 118 1.254 113 1.927 147 10.716 77.5 182.6 1 91.5 1987 512 233500 233940 69.36 19.20 121 0.714 105 1.374 121 10.636 77.5 182.6 1 91.4 1987 512 234020 234500 69.36 19.20 118 1.407 110 2.300 139 10.724 77.5 182.6 1 91.3 1987 512 234500 235000 69.36 19.20 118 1.326 110 1.814 137 10.707 77.5 182.6 1 91.2 1987 512 235000 235500 69.36 19.20 124 1.326 108 1.805 147 10.845 77.5 182.6 1 91.1 1987 512 235500 235950 69.36 19.20 124 1.005 110 1.358 142 10.627 77.5 182.6 1 91.0