PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/01-02:27:40
G10     267.2          38.3               11.1 +/-    1.36      16.6 +/-    1.36  0.280 / 0.480
G13     41.8           18.1                8.5 +/-    2.76      19.7 +/-    2.76  0.300 / 0.450
G15     60.1           50.1                9.2 +/-    0.86      11.6 +/-    0.86  0.110 / 0.190
G16     277.6          12.1                9.9 +/-    1.92      26.3 +/-    1.92  0.130 / 0.210
G20     290.0          56.2               10.2 +/-    0.85      12.0 +/-    0.85  0.040 / 0.030
G21     0.9            71.6               10.3 +/-    0.42      10.8 +/-    0.42  0.060 / 0.030
G24     119.3          14.4               11.1 +/-    2.75      28.0 +/-    2.75  0.060 / 0.090
G27     318.5          19.0                8.4 +/-    1.58      18.9 +/-    1.58  0.060 / 0.080
G29     168.4          31.8               11.7 +/-    0.71      19.8 +/-    0.71  0.130 / 0.250
G32     203.9          10.9               -9.4 +/-   35.27     -25.8 +/-   35.27  0.110 / 0.280