PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-15:12:30
G02     218.3          58.4                7.9 +/-    1.06       9.1 +/-    1.06  0.040 / 0.060
G06     51.9           70.1               10.2 +/-    0.79      10.8 +/-    0.79  0.030 / 0.060
G12     320.9          43.2                9.3 +/-    1.70      12.8 +/-    1.70  0.110 / 0.410
G17     60.2           29.1                8.6 +/-    0.60      15.4 +/-    0.60  0.100 / 0.430
G19     36.9           51.0                8.3 +/-    0.32      10.3 +/-    0.32  0.060 / 0.080
G24     260.2          41.5                9.3 +/-    1.13      13.2 +/-    1.13  0.040 / 0.080
G28     123.6          12.6               10.7 +/-    2.48      28.1 +/-    2.48  0.040 / 0.040