PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/11-22:58:00
G01     319.7          16.5                6.6 +/-    2.01      15.9 +/-    2.01  0.160 / 0.290
G08     257.2          14.1                9.9 +/-    1.37      25.2 +/-    1.37  0.250 / 0.370
G10     77.3           53.7                9.2 +/-    0.77      11.2 +/-    0.77  0.180 / 0.250
G11     303.8          23.0                6.5 +/-    1.43      13.3 +/-    1.43  0.140 / 0.190
G14     290.6          70.2                9.6 +/-    0.96      10.2 +/-    0.96  0.040 / 0.050
G18     305.3          40.4                7.9 +/-    0.81      11.4 +/-    0.81  0.040 / 0.050
G20     103.8          30.3               11.0 +/-    0.62      19.2 +/-    0.62  0.080 / 0.220
G27     226.4          10.2               13.0 +/-    3.58      36.0 +/-    3.58  0.090 / 0.230
G31     176.7          39.8               12.2 +/-    0.77      17.7 +/-    0.77  0.120 / 0.240
G32     5.7            68.3                9.7 +/-    0.69      10.3 +/-    0.69  0.130 / 0.220