PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/23-00:12:50
G01     320.0          15.4                3.1 +/-   17.09       7.7 +/-   17.09  0.140 / 0.300
G08     258.6          14.7                7.9 +/-    1.47      19.8 +/-    1.47  0.150 / 0.230
G10     75.2           54.5                7.5 +/-    0.57       9.0 +/-    0.57  0.040 / 0.050
G11     305.0          22.2                5.5 +/-    1.30      11.5 +/-    1.30  0.030 / 0.050
G14     286.0          69.5                6.3 +/-    0.74       6.7 +/-    0.74  0.270 / 0.280
G18     306.6          39.1                5.1 +/-    1.63       7.5 +/-    1.63  0.270 / 0.410
G20     102.7          31.3                7.1 +/-    1.18      12.1 +/-    1.18  0.090 / 0.200
G27     227.1          11.0                8.8 +/-    4.21      23.9 +/-    4.21  0.070 / 0.170
G31     176.3          39.1                7.9 +/-    1.56      11.7 +/-    1.56  0.130 / 0.240
G32     3.9            69.0                5.4 +/-    0.32       5.8 +/-    0.32  0.140 / 0.310