PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-16:42:20
G02     243.1          74.5               10.6 +/-    0.33      11.0 +/-    0.33  0.160 / 0.440
G05     171.7          16.5               13.1 +/-    1.60      31.5 +/-    1.60  0.160 / 0.330
G06     40.2           56.7                9.5 +/-    1.07      11.2 +/-    1.07  0.050 / 0.060
G12     321.1          52.1                9.8 +/-    0.88      12.0 +/-    0.88  0.040 / 0.060
G19     58.8           36.5                8.1 +/-    0.48      12.6 +/-    0.48  0.080 / 0.110
G24     245.0          34.1               13.1 +/-    1.14      21.1 +/-    1.14  0.100 / 0.130
G25     316.4          12.1                5.8 +/-   19.29      15.4 +/-   19.29  0.040 / 0.040