PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/12-00:42:40
G02     62.6           30.2               10.3 +/-    1.19      18.0 +/-    1.19  0.030 / 0.040
G05     53.1           56.9               10.2 +/-    0.28      11.9 +/-    0.28  0.030 / 0.040
G12     183.0          27.6               14.7 +/-    2.47      27.0 +/-    2.47  0.120 / 0.240
G13     125.3          17.7               16.8 +/-    2.78      39.1 +/-    2.78  0.180 / 0.270
G15     162.5          14.7               17.9 +/-    1.43      44.9 +/-    1.43  0.070 / 0.120
G21     274.0          18.9               11.4 +/-    1.73      25.7 +/-    1.73  0.060 / 0.110
G25     232.2          49.3               11.6 +/-    1.21      14.8 +/-    1.21  0.060 / 0.130
G29     329.8          57.1               12.4 +/-    0.57      14.5 +/-    0.57  0.050 / 0.120