PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/12-00:27:30
G10     296.6          51.6               13.5 +/-    1.40      16.7 +/-    1.40  0.070 / 0.100
G15     46.7           31.8                8.8 +/-    0.73      14.9 +/-    0.73  0.080 / 0.080
G20     296.7          49.2                8.9 +/-    1.41      11.3 +/-    1.41  0.040 / 0.040
G21     91.8           75.4               12.9 +/-    0.53      13.3 +/-    0.53  0.040 / 0.040
G24     96.4           26.1               13.2 +/-    0.67      25.2 +/-    0.67  0.110 / 0.160
G27     301.3          33.8               13.4 +/-    1.18      21.7 +/-    1.18  0.130 / 0.130
G32     210.0          33.2               17.4 +/-    1.89      28.5 +/-    1.89  0.060 / 0.070