PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/03-17:43:10
G02     31.4           56.7                7.8 +/-    1.00       9.2 +/-    1.00  0.020 / 0.040
G05     137.9          63.4                9.8 +/-    0.53      10.9 +/-    0.53  0.020 / 0.030
G06     55.5           12.3                8.4 +/-    1.34      22.3 +/-    1.34  0.030 / 0.040
G12     187.2          61.8                8.5 +/-    0.41       9.5 +/-    0.41  0.030 / 0.040
G19     100.1          11.8                9.2 +/-    2.52      24.5 +/-    2.52  0.040 / 0.040
G25     292.8          55.6                9.6 +/-    4.92      11.3 +/-    4.92  0.050 / 0.050
G29     307.8          27.9                7.2 +/-    0.99      13.2 +/-    0.99  0.120 / 0.170