PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/02-21:42:30
G10     256.8          31.7               12.7 +/-    3.50      21.4 +/-    3.50  0.040 / 0.040
G13     47.8           25.4                9.2 +/-    0.65      17.9 +/-    0.65  0.040 / 0.050
G15     79.0           58.1                9.9 +/-    0.82      11.4 +/-    0.82  0.130 / 0.420
G16     286.9          15.2                8.6 +/-    1.65      21.4 +/-    1.65  0.120 / 0.460
G20     257.1          16.8                5.5 +/-    0.77      13.0 +/-    0.77  0.060 / 0.220
G21     341.1          64.2                7.9 +/-    1.58       8.6 +/-    1.58  0.070 / 0.200
G26     259.8          12.7               12.0 +/-    2.50      31.6 +/-    2.50  0.020 / 0.040
G29     166.8          43.5               12.1 +/-    1.43      16.7 +/-    1.43  0.030 / 0.050