PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/04-19:42:40
G01     314.8          26.1                7.9 +/-    1.53      15.1 +/-    1.53  0.040 / 0.050
G10     94.1           46.5               10.1 +/-    0.67      13.3 +/-    0.67  0.040 / 0.040
G11     291.9          27.3                7.5 +/-    1.51      13.9 +/-    1.51  0.060 / 0.140
G14     330.7          70.8                9.1 +/-    0.88       9.6 +/-    0.88  0.080 / 0.140
G20     113.4          21.7               11.3 +/-    0.91      23.8 +/-    0.91  0.110 / 0.200
G22     305.6          17.1                8.5 +/-    1.31      20.1 +/-    1.31  0.090 / 0.180
G25     86.8           12.2               11.8 +/-    1.51      31.3 +/-    1.51  0.170 / 0.340
G31     176.4          50.6               11.0 +/-    1.03      13.8 +/-    1.03  0.160 / 0.310
G32     22.7           60.6                9.2 +/-    0.42      10.4 +/-    0.42  0.040 / 0.040