PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/08-19:58:10
G02     260.3          78.8                9.7 +/-    0.54       9.9 +/-    0.54  0.060 / 0.220
G05     169.4          21.4               13.8 +/-    0.98      29.4 +/-    0.98  0.050 / 0.140
G06     40.2           51.0                8.7 +/-    0.55      10.8 +/-    0.55  0.040 / 0.070
G12     321.6          60.9                8.7 +/-    1.16       9.8 +/-    1.16  0.030 / 0.060
G17     75.4           19.4                8.8 +/-    1.07      19.6 +/-    1.07  0.160 / 0.260
G19     60.9           37.3                8.4 +/-    0.34      12.7 +/-    0.34  0.110 / 0.220
G24     238.2          31.2               11.9 +/-    1.18      20.4 +/-    1.18  0.080 / 0.120
G25     317.4          17.3                8.0 +/-    3.05      18.8 +/-    3.05  0.110 / 0.130