PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/22-02:58:00
G08     268.3          19.3                8.7 +/-    1.59      19.5 +/-    1.59  0.030 / 0.040
G10     54.2           60.2                7.7 +/-    0.44       8.7 +/-    0.44  0.030 / 0.040
G11     312.0          17.2                7.0 +/-    2.12      16.5 +/-    2.12  0.090 / 0.370
G14     263.4          66.1                9.0 +/-    0.68       9.8 +/-    0.68  0.080 / 0.330
G18     88.4           39.0                8.7 +/-    0.56      12.9 +/-    0.56  0.070 / 0.130
G21     153.6          17.6                8.1 +/-    2.28      18.9 +/-    2.28  0.100 / 0.150
G24     41.5           13.5                6.0 +/-    1.29      15.4 +/-    1.29  0.040 / 0.060
G27     232.5          17.3               12.1 +/-    1.80      28.5 +/-    1.80  0.040 / 0.050
G31     179.5          26.7               10.4 +/-    1.30      19.6 +/-    1.30  0.090 / 0.290
G32     320.8          75.1                9.8 +/-    0.92      10.1 +/-    0.92  0.140 / 0.290