PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-04:57:50
G08     283.3          22.2               10.0 +/-    1.93      20.9 +/-    1.93  0.100 / 0.160
G10     30.1           62.5                7.7 +/-    0.45       8.5 +/-    0.45  0.100 / 0.130
G14     239.7          52.2               10.3 +/-    0.63      12.7 +/-    0.63  0.060 / 0.130
G18     317.2          18.3                7.1 +/-    1.13      16.3 +/-    1.13  0.060 / 0.130
G20     72.5           52.2                9.4 +/-    0.74      11.5 +/-    0.74  0.050 / 0.070
G21     151.1          31.0                8.4 +/-    0.85      14.5 +/-    0.85  0.040 / 0.090
G24     47.3           19.5                5.7 +/-    0.73      12.6 +/-    0.73  0.070 / 0.160
G27     244.2          25.8               12.2 +/-    1.62      23.4 +/-    1.62  0.060 / 0.130
G31     180.1          17.1                7.2 +/-    3.50      17.1 +/-    3.50  0.030 / 0.030
G32     280.8          76.0                9.2 +/-    0.65       9.5 +/-    0.65  0.030 / 0.030