PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/12-17:12:50
G08     269.5          18.3                6.3 +/-    1.38      14.5 +/-    1.38  0.120 / 0.190
G10     58.5           59.2                7.1 +/-    0.53       8.2 +/-    0.53  0.130 / 0.200
G11     313.2          15.3                5.5 +/-    2.88      13.5 +/-    2.88  0.180 / 0.170
G14     264.2          65.1                6.4 +/-    0.78       7.0 +/-    0.78  0.140 / 0.230
G18     92.1           35.0                8.0 +/-    0.58      12.6 +/-    0.58  0.070 / 0.110
G21     153.2          12.7                7.5 +/-    3.89      19.7 +/-    3.89  0.080 / 0.140
G24     40.5           11.7                6.8 +/-    1.67      18.3 +/-    1.67  0.090 / 0.350
G27     231.5          16.2                8.3 +/-    1.18      20.1 +/-    1.18  0.080 / 0.370
G31     179.0          28.9               10.5 +/-    1.47      18.9 +/-    1.47  0.020 / 0.030
G32     334.6          74.5                8.3 +/-    1.00       8.5 +/-    1.00  0.030 / 0.030