PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/12-23:58:00
G01     319.4          18.1                4.6 +/-   13.34      10.6 +/-   13.34  0.250 / 0.330
G08     262.1          14.4                8.3 +/-    1.57      21.0 +/-    1.57  0.160 / 0.340
G10     78.1           52.5                8.1 +/-    1.13       9.9 +/-    1.13  0.100 / 0.170
G11     305.9          20.9                6.9 +/-    2.59      14.9 +/-    2.59  0.120 / 0.200
G14     284.6          68.9                6.7 +/-    0.72       7.2 +/-    0.72  0.040 / 0.070
G18     306.3          39.6                7.8 +/-    0.89      11.4 +/-    0.89  0.040 / 0.060
G20     104.4          29.5                9.0 +/-    0.94      15.9 +/-    0.94  0.130 / 0.260
G27     225.4          10.4               11.5 +/-    2.07      31.9 +/-    2.07  0.140 / 0.220
G31     175.0          41.0                9.7 +/-    0.71      14.0 +/-    0.71  0.050 / 0.110
G32     4.4            68.8                7.7 +/-    0.38       8.1 +/-    0.38  0.060 / 0.100