PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/06-15:43:10
G02     66.3           26.7                7.1 +/-    1.39      13.4 +/-    1.39  0.030 / 0.050
G05     51.1           56.3                8.6 +/-    0.66      10.1 +/-    0.66  0.020 / 0.030
G12     184.5          25.6               11.1 +/-    1.65      21.3 +/-    1.65  0.040 / 0.130
G13     123.6          20.2               10.9 +/-    1.46      23.9 +/-    1.46  0.040 / 0.130
G15     158.8          18.5               11.4 +/-    1.24      26.0 +/-    1.24  0.070 / 0.210
G20     213.8          67.3               11.0 +/-    1.04      11.8 +/-    1.04  0.070 / 0.190
G21     278.7          24.8                9.4 +/-    1.73      18.4 +/-    1.73  0.030 / 0.050
G25     225.3          45.5               10.3 +/-    1.04      13.7 +/-    1.04  0.040 / 0.050
G29     341.4          67.8                7.5 +/-    0.39       8.1 +/-    0.39  0.050 / 0.080