Table 5.
Dates of available simultaneous Jicamarca ISR and CHAMP or GRACE neutral gas density observations. Observed and reduced to the heights hred neutral gas densities (10−15 g cm−3) are shown in a comparison with the calculated and model values. Calculated ρ values are corrected for the [He] contribution (see text). Daily F10.7 and Ap indices are given. LT = UT-5.
| Date | Satellite | UT | h red, km | ρ obs | ρ cal | ρ JB2008 | ρ MSISE00 | F 10.7 | Ap |
|---|---|---|---|---|---|---|---|---|---|
| Jun. 11, 2002 | CHAMP | 1617 | 410 | 3.47 | 3.87 | 4.32 | 3.92 | 148 | 8 |
| Aug. 13, 2002 | GRACE | 1744 | 500 | 1.30 | 1.34 | 0.96 | 1.78 | 192 | 8 |
| Jun. 26, 2003 | GRACE | 1611 | 490 | 0.49 | 0.43 | 0.63 | 0.60 | 119 | 16 |
| May 20, 2004 | GRACE | 1602 | 480 | 0.56 | 0.65 | 0.86 | 0.53 | 105 | 13 |
| Dec. 06, 2004 | CHAMP | 1720 | 370 | 6.66 | 7.34 | 5.78 | 5.64 | 93 | 20 |
| Dec. 08, 2004 | CHAMP | 1722 | 370 | 5.15 | 6.13 | 4.62 | 5.03 | 96 | 11 |
| Apr. 20, 2006 | CHAMP | 1845 | 370 | 3.21 | 3.00 | 4.24 | 3.41 | 79 | 5 |
| Sep. 20, 2006 | GRACE | 1722 | 470 | 0.25 | 0.28 | 0.31 | 0.32 | 71 | 3 |
| Sep. 12, 2007 | CHAMP | 1953 | 350 | 2.86 | 2.59 | 2.82 | 3.46 | 66 | 2 |
| Jul. 08, 2008 | CHAMP | 1530 | 330 | 1.77 | 1.74 | 2.52 | 2.62 | 65 | 2 |
| Jul. 09, 2008 | CHAMP | 1712 | 330 | 1.68 | 1.91 | 3.16 | 3.24 | 66 | 3 |
| Jul. 12, 2008 | CHAMP | 1600 | 330 | 2.88 | 3.01 | 4.06 | 3.47 | 65 | 16 |
| Jul 13, 2008 | CHAMP | 1519 | 330 | 2.36 | 2.11 | 3.33 | 3.02 | 65 | 11 |
| Sep. 16, 2008 | GRACE | 1540 | 470 | 0.15 | 0.13 | 0.22 | 0.19 | 69 | 9 |
| Oct. 29, 2008 | GRACE | 1643 | 470 | 0.25 | 0.26 | 0.31 | 0.34 | 67 | 17 |
| Oct. 29, 2008 | CHAMP | 1754 | 330 | 5.85 | 5.87 | 6.32 | 7.45 | 67 | 17 |
| Mar. 24, 2009 | CHAMP | 1600 | 320 | 5.31 | 5.22 | 6.81 | 6.63 | 69 | 7 |
| Apr. 13, 2010 | CHAMP | 1748 | 290 | 17.1 | 18.2 | 17.3 | 17.1 | 75 | 3 |
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