PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-10:28:10
G02     201.8          31.4                7.0 +/-    1.06      11.8 +/-    1.06  0.080 / 0.110
G06     170.7          62.4                6.4 +/-    0.37       7.1 +/-    0.37  0.070 / 0.130
G12     305.3          11.3               -4.6 +/-   11.29     -12.5 +/-   11.29  0.070 / 0.090
G17     34.3           50.7                3.5 +/-    1.03       4.3 +/-    1.03  0.060 / 0.090
G19     357.0          66.8                3.1 +/-    0.46       3.3 +/-    0.46  0.040 / 0.030
G24     303.3          34.9                3.0 +/-    1.45       4.8 +/-    1.45  0.030 / 0.030
G28     99.3           33.1                4.7 +/-    1.08       7.7 +/-    1.08  0.120 / 0.210