PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-14:58:00
G02     51.5           39.2                8.5 +/-    0.42      12.6 +/-    0.42  0.030 / 0.030
G05     86.0           69.7               12.0 +/-    0.42      12.7 +/-    0.42  0.030 / 0.030
G12     188.9          45.5               15.9 +/-    1.57      21.3 +/-    1.57  0.240 / 0.350
G20     203.6          46.8               15.9 +/-    1.64      20.9 +/-    1.64  0.150 / 0.320
G21     263.6          13.5                9.5 +/-    4.29      24.6 +/-    4.29  0.040 / 0.080
G25     254.0          57.7               12.6 +/-    1.08      14.6 +/-    1.08  0.040 / 0.080
G29     325.5          50.2                9.5 +/-    0.85      12.0 +/-    0.85  0.030 / 0.060