PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-05:27:50
G01     120.7          16.5                5.6 +/-    2.32      13.4 +/-    2.32  0.040 / 0.030
G07     78.9           66.1                5.0 +/-    0.62       5.4 +/-    0.62  0.040 / 0.030
G08     44.9           30.7                2.9 +/-    1.19       5.1 +/-    1.19  0.090 / 0.180
G09     174.7          24.9                6.4 +/-    3.13      12.6 +/-    3.13  0.160 / 0.170
G11     107.0          39.4                6.9 +/-    0.73      10.1 +/-    0.73  0.040 / 0.020
G13     318.3          18.3                3.2 +/-    2.81       7.4 +/-    2.81  0.030 / 0.020
G17     200.1          25.0                5.7 +/-    2.86      11.2 +/-    2.86  0.170 / 0.220
G18     93.4           19.9                5.6 +/-    0.90      12.4 +/-    0.90  0.160 / 0.220
G28     286.7          55.5                4.3 +/-    2.27       5.1 +/-    2.27  0.140 / 0.140
G30     340.2          65.9                5.3 +/-    0.72       5.7 +/-    0.72  0.120 / 0.120