PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/10-10:43:10
G07     54.4           68.5                4.0 +/-    0.69       4.3 +/-    0.69  0.050 / 0.110
G08     55.0           45.0                2.5 +/-    0.64       3.3 +/-    0.64  0.060 / 0.110
G09     178.4          39.1                6.0 +/-    0.91       8.9 +/-    0.91  0.030 / 0.030
G11     121.3          34.9                5.8 +/-    0.66       9.2 +/-    0.66  0.040 / 0.040
G13     321.2          10.9               -6.6 +/-   12.87     -18.2 +/-   12.87  0.120 / 0.230
G18     104.9          15.5                4.1 +/-    1.64      10.0 +/-    1.64  0.070 / 0.220
G28     266.4          46.3                4.9 +/-    1.36       6.5 +/-    1.36  0.060 / 0.110
G30     330.1          58.9                2.7 +/-    0.76       3.1 +/-    0.76  0.080 / 0.090