PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-12:42:30
G02     1.7            75.2                5.3 +/-    0.60       5.4 +/-    0.60  0.040 / 0.070
G05     163.9          36.8               10.0 +/-    1.46      15.4 +/-    1.46  0.030 / 0.060
G06     41.9           40.0                2.6 +/-    0.45       3.8 +/-    0.45  0.080 / 0.190
G12     303.6          73.7                4.4 +/-    0.38       4.6 +/-    0.38  0.090 / 0.180
G19     80.0           23.4                5.3 +/-    0.59      10.8 +/-    0.59  0.030 / 0.030
G24     226.5          20.2                6.6 +/-    1.72      14.5 +/-    1.72  0.020 / 0.030
G25     316.3          33.8                4.5 +/-    0.96       7.3 +/-    0.96  0.040 / 0.040
G29     291.7          15.9                5.5 +/-    1.45      13.4 +/-    1.45  0.040 / 0.050