PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/06-16:58:00
G02     253.0          76.9                6.9 +/-    0.58       7.0 +/-    0.58  0.110 / 0.340
G05     170.5          19.3                9.3 +/-    1.74      20.7 +/-    1.74  0.120 / 0.380
G06     39.8           53.6                7.3 +/-    0.61       8.9 +/-    0.61  0.050 / 0.040
G12     321.0          55.2                7.2 +/-    1.18       8.6 +/-    1.18  0.030 / 0.050
G17     71.9           23.0                7.5 +/-    1.39      15.2 +/-    1.39  0.110 / 0.130
G19     61.8           34.6                7.6 +/-    0.66      12.2 +/-    0.66  0.120 / 0.120
G24     241.8          32.3               10.4 +/-    0.95      17.4 +/-    0.95  0.030 / 0.040
G25     316.9          14.8                5.9 +/-    2.15      14.8 +/-    2.15  0.040 / 0.040