PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-02:42:50
G08     319.8          11.8                7.6 +/-    5.95      20.2 +/-    5.95  0.070 / 0.060
G10     307.9          55.0               10.6 +/-    1.40      12.6 +/-    1.40  0.080 / 0.060
G14     212.6          15.7               15.7 +/-    1.50      38.4 +/-    1.50  0.030 / 0.040
G15     45.7           24.1                7.7 +/-    2.76      15.4 +/-    2.76  0.030 / 0.030
G20     335.8          63.5               17.2 +/-    0.56      19.0 +/-    0.56  0.100 / 0.100
G21     113.5          70.3               11.9 +/-    0.97      12.5 +/-    0.97  0.110 / 0.110
G24     88.7           28.4               10.4 +/-    0.96      18.8 +/-    0.96  0.170 / 0.270
G27     292.6          36.6               11.6 +/-    2.60      18.0 +/-    2.60  0.200 / 0.420
G32     213.5          40.6               15.7 +/-    1.17      22.6 +/-    1.17  0.310 / 0.450