PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/23-14:12:50
G01     289.9          40.3                7.8 +/-    0.66      11.3 +/-    0.66  0.050 / 0.060
G03     313.0          21.6                5.8 +/-    3.03      12.3 +/-    3.03  0.050 / 0.060
G10     120.4          28.3                8.4 +/-    0.81      15.3 +/-    0.81  0.090 / 0.250
G11     267.1          25.4                8.7 +/-    2.22      16.8 +/-    2.22  0.070 / 0.220
G14     21.0           59.9                7.5 +/-    0.46       8.6 +/-    0.46  0.040 / 0.070
G18     126.8          -0.2               11.8 +/-    0.74      37.2 +/-    0.74  0.050 / 0.090
G22     314.5          42.4                7.1 +/-    0.87      10.0 +/-    0.87  0.040 / 0.100
G25     66.8           19.2                7.4 +/-    0.65      16.5 +/-    0.65  0.050 / 0.090
G31     114.6          79.2                9.1 +/-    0.66       9.2 +/-    0.66  0.050 / 0.090
G32     52.8           40.4                8.1 +/-    1.28      11.8 +/-    1.28  0.050 / 0.080