PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/01-03:43:00
G08     262.3          16.2               11.6 +/-    1.81      28.0 +/-    1.81  0.300 / 0.370
G10     69.6           56.3                5.9 +/-    1.34       6.9 +/-    1.34  0.180 / 0.380
G11     307.9          20.2                7.8 +/-    2.58      17.0 +/-    2.58  0.040 / 0.050
G14     275.0          67.2                7.2 +/-    0.85       7.8 +/-    0.85  0.040 / 0.060
G18     309.7          35.5                7.5 +/-    1.66      11.7 +/-    1.66  0.030 / 0.030
G20     84.6           55.4                9.2 +/-    0.93      10.9 +/-    0.93  0.030 / 0.030
G21     155.7          11.9                8.5 +/-    1.68      22.8 +/-    1.68  0.100 / 0.370
G27     228.5          12.9               10.3 +/-   26.30      26.9 +/-   26.30  0.110 / 0.330
G31     175.6          37.0               10.7 +/-    1.33      16.3 +/-    1.33  0.130 / 0.370
G32     358.8          70.8                6.9 +/-    0.71       7.2 +/-    0.71  0.160 / 0.390