PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/11-20:12:50
G01     289.3          40.8               10.0 +/-    1.16      14.3 +/-    1.16  0.060 / 0.080
G03     312.3          17.7                9.8 +/-    1.51      22.7 +/-    1.51  0.060 / 0.090
G10     120.6          27.0               13.6 +/-    1.77      25.4 +/-    1.77  0.070 / 0.120
G11     262.1          25.4               12.4 +/-    1.18      24.0 +/-    1.18  0.060 / 0.100
G14     26.9           57.7                8.8 +/-    0.69      10.2 +/-    0.69  0.040 / 0.070
G18     246.1          47.1               13.9 +/-    0.83      18.2 +/-    0.83  0.040 / 0.070
G22     314.0          39.0                9.1 +/-    1.51      13.5 +/-    1.51  0.100 / 0.250
G25     60.0           16.3                9.5 +/-    1.57      22.9 +/-    1.57  0.110 / 0.210
G31     143.2          78.9               12.6 +/-    1.06      12.8 +/-    1.06  0.050 / 0.090
G32     51.5           41.9                9.8 +/-    1.13      13.8 +/-    1.13  0.050 / 0.080