PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/24-16:58:10
G02     27.2           60.6               12.7 +/-    0.42      14.3 +/-    0.42  0.030 / 0.030
G05     154.3          55.0               15.7 +/-    0.75      18.7 +/-    0.75  0.030 / 0.030
G06     50.8           21.2                9.4 +/-    1.00      20.1 +/-    1.00  0.040 / 0.060
G12     211.2          73.6               12.5 +/-    0.77      12.9 +/-    0.77  0.040 / 0.050
G19     96.6           11.6               12.6 +/-    1.10      34.0 +/-    1.10  0.100 / 0.130
G20     197.8          21.1               15.3 +/-    2.47      32.9 +/-    2.47  0.080 / 0.150
G25     301.9          52.2               11.7 +/-    1.49      14.3 +/-    1.49  0.100 / 0.270
G29     305.4          27.6                9.4 +/-    1.25      17.3 +/-    1.25  0.080 / 0.230