PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/07-18:27:50
G08     272.5          21.1               10.7 +/-    1.25      22.8 +/-    1.25  0.090 / 0.300
G10     47.5           60.5               11.7 +/-    0.53      13.2 +/-    0.53  0.110 / 0.440
G11     315.4          13.4               11.2 +/-    1.73      28.9 +/-    1.73  0.030 / 0.030
G14     252.2          61.9               11.6 +/-    1.47      12.9 +/-    1.47  0.030 / 0.030
G20     87.7           41.4               11.9 +/-    0.96      16.9 +/-    0.96  0.040 / 0.060
G21     152.6          20.0               13.3 +/-    2.85      29.3 +/-    2.85  0.040 / 0.050
G24     40.9           11.5               10.0 +/-    2.86      27.0 +/-    2.86  0.100 / 0.290
G27     240.0          21.4               12.3 +/-    2.57      26.0 +/-    2.57  0.100 / 0.290
G31     181.9          20.2               13.5 +/-    4.62      29.5 +/-    4.62  0.220 / 0.270
G32     305.0          76.1               12.3 +/-    0.61      12.6 +/-    0.61  0.190 / 0.330