PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-16:42:50
G02     211.4          50.0               13.1 +/-    1.24      16.5 +/-    1.24  0.070 / 0.080
G06     80.2           77.6               10.0 +/-    0.40      10.2 +/-    0.40  0.060 / 0.110
G12     317.2          33.5                8.9 +/-    1.53      14.5 +/-    1.53  0.090 / 0.170
G17     51.8           36.2                8.3 +/-    1.32      12.8 +/-    1.32  0.100 / 0.250
G19     25.1           56.5               10.1 +/-    0.41      11.9 +/-    0.41  0.050 / 0.070
G24     273.7          43.0                9.6 +/-    1.18      13.3 +/-    1.18  0.060 / 0.060
G28     117.2          19.4               11.1 +/-    1.70      24.7 +/-    1.70  0.080 / 0.080