PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-02:13:00
G10     264.0          36.4               11.3 +/-    1.36      17.5 +/-    1.36  0.140 / 0.270
G13     43.3           20.5                7.2 +/-    2.32      15.7 +/-    2.32  0.120 / 0.330
G15     64.0           52.3                8.9 +/-    0.66      10.9 +/-    0.66  0.230 / 0.230
G16     280.5          13.1                8.7 +/-    1.66      22.7 +/-    1.66  0.200 / 0.210
G20     283.9          53.6                8.5 +/-    0.77      10.3 +/-    0.77  0.050 / 0.040
G21     354.2          69.6                8.2 +/-    0.80       8.7 +/-    0.80  0.050 / 0.040
G24     121.8          12.6               12.1 +/-    2.64      31.7 +/-    2.64  0.070 / 0.070
G27     319.8          16.6                7.2 +/-    1.84      17.3 +/-    1.84  0.040 / 0.090
G29     168.0          35.1               10.9 +/-    1.32      17.3 +/-    1.32  0.130 / 0.270