Table 1.
Dates of simultaneous Millstone Hill ISR/COSMIC IRO observations for summer months. The coordinates of tangent points, UT and LT of measurements as well as the observed hmF2 and NmF2 values (italic – ISR values) are given. Mean relative deviations are shown when the topside and bottom side of Ne(h) are compared. Daily Ap indices for the current and previous days are given.
| Date | Lat, N | Lon, W | UT | LT | hmF2 | NmF2 × 105 | MRDbot | MRDtop | Ap |
|---|---|---|---|---|---|---|---|---|---|
| Ddmmyy | (deg) | (deg) | (h) | (h) | (km) | (cm−3) | (%) | (%) | (day/day-1) |
| 01.05.07 | 47.85 | 67.13 | 16.93 | 12.40 | 223(249) | 3.42(3.02) | 37.8 | 9.5 | 7/15 |
| 03.06.08 | 44.35 | 75.40 | 21.45 | 16.38 | 236(262) | 2.84(2.46) | 20.5 | 7.9 | 4/4 |
| 03.06.08 | 38.44 | 65.17 | 23.13 | 18.73 | 254(275) | 4.07(2.84) | 47.9 | 8.7 | 4/4 |
| 04.06.08 | 46.39 | 65.42 | 21.48 | 17.08 | 231(244) | 2.38(1.86) | 15.5 | 21.9 | ¾ |
| 04.06.08 | 45.89 | 72.22 | 20.33 | 15.47 | 216(248) | 2.71(2.14) | 43.9 | 5.0 | ¾ |
| 04.06.08 | 37.30 | 69.48 | 16.58 | 11.92 | 206(223) | 2.58(1.84) | 50.2 | 23.9 | ¾ |
| 04.06.08 | 37.51 | 65.67 | 11.68 | 07.28 | 211(231) | 2.39(1.63) | 63.6 | 16.3 | ¾ |
| 09.07.08 | 44.19 | 66.75 | 16.77 | 12.30 | 205(232) | 2.28(1.67) | 32.6 | 30.2 | 3/2 |
| 11.07.08 | 43.03 | 70.57 | 10.52 | 05.78 | 237(247) | 2.01(1.39) | 71.9 | 39.6 | 6/3 |
| 11.07.08 | 37.10 | 76.15 | 17.60 | 12.47 | 229(246) | 2.87(2.60) | 24.9 | 6.8 | 6/3 |
| 11.07.08 | 36.55 | 66.61 | 09.92 | 05.45 | 248(262) | 1.21(1.10) | 28.7 | 19.4 | 6/3 |
| 11.07.08 | 38.42 | 69.19 | 13.03 | 08.37 | 216(239) | 3.37(2.19) | 55.3 | 16.7 | 6/3 |
| 12.07.08 | 45.99 | 68.76 | 21.67 | 17.07 | 273(285) | 2.14(1.81) | 46.0 | 20.5 | 16/6 |
| 12.07.08 | 44.03 | 72.18 | 10.93 | 06.07 | 214(238) | 1.39(0.92) | 66.5 | 14.5 | 16/6 |
| 12.07.08 | 40.22 | 72.64 | 12.62 | 07.75 | 170(232) | 1.83(1.09) | 85.3 | 19.1 | 16/6 |
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