PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-18:13:00
G02     53.6           39.0               13.0 +/-    0.70      19.1 +/-    0.70  0.150 / 0.270
G05     68.2           66.7               13.7 +/-    0.33      14.7 +/-    0.33  0.140 / 0.390
G12     182.8          34.3               16.6 +/-    1.13      26.6 +/-    1.13  0.040 / 0.030
G13     130.9          12.4               14.3 +/-    1.94      37.8 +/-    1.94  0.030 / 0.030
G21     268.1          14.6               16.8 +/-    1.45      42.1 +/-    1.45  0.070 / 0.080
G25     239.7          54.4               16.3 +/-    0.95      19.5 +/-    0.95  0.060 / 0.080
G29     325.2          49.9               14.3 +/-    0.99      18.0 +/-    0.99  0.080 / 0.420