PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/03-17:42:40
G02     54.4           37.5                9.9 +/-    2.17      15.1 +/-    2.17  0.240 / 0.350
G05     66.8           65.8               10.2 +/-    0.44      11.1 +/-    0.44  0.090 / 0.410
G12     184.7          37.4               10.4 +/-    0.78      15.8 +/-    0.78  0.360 / 0.490
G13     129.9          12.1               15.2 +/-    2.41      40.4 +/-    2.41  0.210 / 0.440
G21     268.0          13.8                8.7 +/-    1.71      22.4 +/-    1.71  0.050 / 0.090
G25     245.1          54.7                9.5 +/-    1.05      11.4 +/-    1.05  0.040 / 0.090
G29     325.7          50.2                8.9 +/-    0.85      11.1 +/-    0.85  0.030 / 0.030