PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-22:27:30
G01     307.8          32.6                7.7 +/-    1.40      12.8 +/-    1.40  0.100 / 0.170
G10     104.9          41.4                8.9 +/-    0.44      12.7 +/-    0.44  0.130 / 0.160
G11     282.6          28.6                8.1 +/-    1.54      14.5 +/-    1.54  0.070 / 0.110
G14     357.0          67.0                7.8 +/-    0.51       8.4 +/-    0.51  0.070 / 0.100
G18     116.9          14.1                8.9 +/-    1.77      22.6 +/-    1.77  0.030 / 0.040
G22     309.0          24.2                6.7 +/-    1.67      13.3 +/-    1.67  0.030 / 0.040
G25     82.0           16.2                8.5 +/-    1.72      20.5 +/-    1.72  0.090 / 0.270
G31     173.5          61.3               10.9 +/-    0.86      12.3 +/-    0.86  0.080 / 0.330
G32     32.8           54.7                7.0 +/-    0.46       8.4 +/-    0.46  0.050 / 0.050