PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/13-17:57:40
G08     275.0          21.9                6.5 +/-    1.59      13.6 +/-    1.59  0.070 / 0.190
G10     42.5           61.2                6.4 +/-    0.88       7.2 +/-    0.88  0.070 / 0.180
G14     248.2          60.1                7.5 +/-    0.72       8.5 +/-    0.72  0.060 / 0.040
G18     315.5          26.1                4.8 +/-    1.25       9.1 +/-    1.25  0.060 / 0.040
G20     85.0           43.0                6.9 +/-    1.79       9.6 +/-    1.79  0.120 / 0.470
G21     151.9          22.1                8.4 +/-    3.23      17.6 +/-    3.23  0.170 / 0.100
G24     42.2           13.3                6.2 +/-    4.32      16.0 +/-    4.32  0.020 / 0.030
G27     242.2          23.0                8.1 +/-    1.15      16.6 +/-    1.15  0.030 / 0.020
G31     182.6          17.6                7.1 +/-    2.53      16.5 +/-    2.53  0.080 / 0.100
G32     293.3          75.7                6.8 +/-    0.45       7.0 +/-    0.45  0.150 / 0.130