PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-19:12:40
G02     203.5          35.1               13.9 +/-    1.82      22.1 +/-    1.82  0.080 / 0.090
G06     160.0          69.1               12.7 +/-    0.76      13.4 +/-    0.76  0.070 / 0.090
G12     306.7          13.9                9.3 +/-    2.52      23.7 +/-    2.52  0.050 / 0.130
G17     35.3           49.6               10.0 +/-    0.63      12.7 +/-    0.63  0.050 / 0.100
G19     4.6            64.5                9.7 +/-    0.56      10.6 +/-    0.56  0.080 / 0.110
G24     296.8          38.4               12.6 +/-    0.69      18.8 +/-    0.69  0.060 / 0.110
G28     100.3          35.3               10.1 +/-    0.87      16.0 +/-    0.87  0.150 / 0.220