PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/03-15:57:30
G02     38.7           50.8                6.9 +/-    0.62       8.7 +/-    0.62  0.040 / 0.050
G05     128.1          68.3                9.0 +/-    0.98       9.6 +/-    0.98  0.040 / 0.060
G12     188.0          55.5                8.8 +/-    1.98      10.4 +/-    1.98  0.030 / 0.030
G25     275.3          59.5                8.0 +/-    1.28       9.1 +/-    1.28  0.030 / 0.030
G29     313.6          34.7                6.4 +/-    1.71      10.1 +/-    1.71  0.040 / 0.060