PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/05-15:28:10
G02     59.6           32.3                6.1 +/-    1.53      10.2 +/-    1.53  0.030 / 0.030
G05     61.5           63.8                7.6 +/-    0.72       8.3 +/-    0.72  0.030 / 0.030
G12     186.3          34.4                9.8 +/-    1.49      15.8 +/-    1.49  0.040 / 0.040
G13     130.3          14.5               11.1 +/-    2.90      28.1 +/-    2.90  0.040 / 0.050
G15     163.5          11.7                7.0 +/-   15.48      18.9 +/-   15.48  0.090 / 0.070
G20     207.9          58.0                9.4 +/-    0.66      10.8 +/-    0.66  0.070 / 0.100
G21     271.6          19.7                7.8 +/-    1.20      17.2 +/-    1.20  0.130 / 0.220
G25     235.9          52.2                8.8 +/-    4.23      10.8 +/-    4.23  0.120 / 0.350
G29     333.5          59.6                6.4 +/-    0.73       7.2 +/-    0.73  0.180 / 0.390