PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/01-00:58:10
G10     257.9          31.4               13.6 +/-    1.50      23.1 +/-    1.50  0.070 / 0.140
G13     47.7           26.1                8.4 +/-    1.77      15.9 +/-    1.77  0.080 / 0.080
G15     74.3           56.2                9.9 +/-    0.61      11.7 +/-    0.61  0.050 / 0.040
G16     289.2          13.7                9.7 +/-    1.47      24.9 +/-    1.47  0.040 / 0.030
G18     281.1          59.6               11.5 +/-    2.11      13.1 +/-    2.11  0.120 / 0.320
G20     49.2           40.3                7.5 +/-    1.64      10.9 +/-    1.64  0.120 / 0.330
G21     344.8          66.0                9.8 +/-    1.33      10.6 +/-    1.33  0.260 / 0.270
G26     261.9          12.0               13.6 +/-    5.66      36.4 +/-    5.66  0.300 / 0.340
G27     321.1          13.2                7.3 +/-    2.97      18.8 +/-    2.97  0.040 / 0.060
G29     166.0          38.6               12.1 +/-    0.82      18.0 +/-    0.82  0.050 / 0.060