PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/12-02:13:10
G01     296.0          38.9                5.0 +/-    2.80       7.4 +/-    2.80  0.070 / 0.090
G03     310.2          12.7                4.1 +/-    8.28      10.8 +/-    8.28  0.080 / 0.070
G10     116.4          31.5                4.4 +/-    0.89       7.5 +/-    0.89  0.040 / 0.040
G11     268.5          27.0                5.9 +/-    1.68      11.0 +/-    1.68  0.040 / 0.040
G14     16.1           61.7                5.0 +/-    0.47       5.6 +/-    0.47  0.070 / 0.170
G18     257.6          49.1                6.7 +/-    2.42       8.6 +/-    2.42  0.070 / 0.180
G22     312.9          34.3                3.4 +/-    1.22       5.4 +/-    1.22  0.040 / 0.080
G25     69.2           17.9                3.7 +/-    2.08       8.5 +/-    2.08  0.070 / 0.070
G31     142.6          76.3                4.5 +/-    0.54       4.6 +/-    0.54  0.080 / 0.060
G32     48.1           43.8                4.4 +/-    1.25       6.0 +/-    1.25  0.090 / 0.090