PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-08:12:40
G01     74.0           33.1                4.9 +/-    0.62       8.0 +/-    0.62  0.030 / 0.060
G07     135.7          32.5                8.4 +/-    0.61      14.0 +/-    0.61  0.030 / 0.050
G11     55.8           31.9                3.3 +/-    0.43       5.5 +/-    0.43  0.040 / 0.040
G13     280.0          37.1                4.3 +/-    0.91       6.6 +/-    0.91  0.030 / 0.040
G15     305.0          14.9                0.5 +/-    2.66       1.2 +/-    2.66  0.040 / 0.090
G17     229.5          68.4                7.0 +/-    1.03       7.5 +/-    1.03  0.050 / 0.060
G19     222.3          41.0                4.5 +/-    1.61       6.5 +/-    1.61  0.110 / 0.280
G28     15.8           59.6                3.9 +/-    0.43       4.4 +/-    0.43  0.110 / 0.300
G30     131.6          64.2                7.2 +/-    0.77       7.9 +/-    0.77  0.050 / 0.080