PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-22:28:10
G10     265.8          36.7               14.0 +/-    0.74      21.5 +/-    0.74  0.040 / 0.050
G13     43.1           20.7               11.5 +/-    1.36      24.9 +/-    1.36  0.040 / 0.050
G15     60.7           50.0               15.0 +/-    0.77      19.0 +/-    0.77  0.130 / 0.410
G16     283.1          11.6               14.0 +/-    2.08      37.7 +/-    2.08  0.180 / 0.370
G18     298.4          64.0               12.7 +/-    0.93      14.0 +/-    0.93  0.180 / 0.460
G20     54.2           34.9               12.3 +/-    1.27      19.6 +/-    1.27  0.160 / 0.600
G21     3.6            71.9               15.0 +/-    1.16      15.7 +/-    1.16  0.040 / 0.120
G24     122.3          13.3               15.2 +/-    1.36      39.3 +/-    1.36  0.050 / 0.120
G27     318.2          19.6               12.9 +/-    1.21      28.7 +/-    1.21  0.070 / 0.280
G29     166.4          28.5               15.3 +/-    1.31      27.7 +/-    1.31  0.080 / 0.240