PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-16:28:10
G02     206.5          39.7               11.4 +/-    0.88      16.6 +/-    0.88  0.070 / 0.070
G06     132.9          76.5               10.9 +/-    0.80      11.2 +/-    0.80  0.060 / 0.070
G12     312.6          24.8                8.7 +/-    2.14      17.0 +/-    2.14  0.110 / 0.110
G17     43.3           43.2                8.5 +/-    1.29      11.7 +/-    1.29  0.120 / 0.130
G19     8.3            62.7                9.3 +/-    0.59      10.3 +/-    0.59  0.030 / 0.020
G24     287.6          41.9                9.0 +/-    2.31      12.7 +/-    2.31  0.020 / 0.020
G28     109.0          26.5                9.0 +/-    1.04      17.1 +/-    1.04  0.040 / 0.040