PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/29-03:43:00
G08     267.7          18.6               10.5 +/-    3.15      23.9 +/-    3.15  0.370 / 0.200
G10     59.6           58.7                8.2 +/-    1.17       9.4 +/-    1.17  0.310 / 0.250
G11     311.9          16.9               -6.5 +/-    7.12     -15.5 +/-    7.12  0.120 / 0.210
G14     262.3          63.9                9.2 +/-    0.94      10.2 +/-    0.94  0.140 / 0.370
G18     312.9          30.9                7.5 +/-    0.79      12.9 +/-    0.79  0.040 / 0.040
G20     77.6           57.1               15.4 +/-    1.53      17.9 +/-    1.53  0.040 / 0.050
G21     154.9          17.2                7.2 +/-    1.49      17.0 +/-    1.49  0.150 / 0.320
G27     232.6          16.6               11.8 +/-    2.86      28.1 +/-    2.86  0.130 / 0.180
G31     176.8          31.2               11.0 +/-    1.92      18.8 +/-    1.92  0.110 / 0.190
G32     343.0          74.2                8.5 +/-    0.33       8.8 +/-    0.33  0.060 / 0.100