PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/01-01:28:00
G02     62.8           29.9               11.7 +/-    1.20      20.6 +/-    1.20  0.080 / 0.130
G05     53.0           56.7               13.0 +/-    0.49      15.2 +/-    0.49  0.060 / 0.140
G12     183.4          28.0               16.8 +/-    1.40      30.8 +/-    1.40  0.080 / 0.210
G13     125.3          17.7               17.6 +/-    2.11      41.1 +/-    2.11  0.170 / 0.220
G15     162.2          14.8               19.9 +/-    2.11      49.6 +/-    2.11  0.020 / 0.050
G20     220.6          10.8               -5.3 +/-   26.82     -14.5 +/-   26.82  0.030 / 0.040
G21     274.0          19.0               12.8 +/-    1.07      28.9 +/-    1.07  0.060 / 0.070
G25     232.5          49.3               14.7 +/-    1.19      18.8 +/-    1.19  0.050 / 0.070
G29     329.9          57.2               13.5 +/-    0.75      15.8 +/-    0.75  0.070 / 0.360