PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-00:12:50
G01     41.1           16.3                6.3 +/-    1.06      15.3 +/-    1.06  0.130 / 0.260
G06     175.4          39.0               11.9 +/-    1.15      17.6 +/-    1.15  0.140 / 0.320
G13     238.1          21.9                9.8 +/-    3.29      20.7 +/-    3.29  0.040 / 0.080
G15     270.3          12.3                9.4 +/-    2.15      24.8 +/-    2.15  0.040 / 0.080
G17     351.3          72.2                7.4 +/-    0.37       7.8 +/-    0.37  0.030 / 0.040
G19     277.4          68.9                7.3 +/-    0.58       7.8 +/-    0.58  0.030 / 0.030
G24     316.7          19.1                6.9 +/-    1.74      15.5 +/-    1.74  0.040 / 0.040
G28     72.4           46.4                7.0 +/-    0.86       9.2 +/-    0.86  0.030 / 0.040
G30     153.9          25.0               10.6 +/-    1.04      20.7 +/-    1.04  0.050 / 0.090