PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-22:27:50
G01     307.8          32.6                6.6 +/-    1.77      11.0 +/-    1.77  0.090 / 0.120
G10     104.9          41.4                8.7 +/-    0.81      12.4 +/-    0.81  0.090 / 0.160
G11     282.6          28.6                8.5 +/-    1.19      15.3 +/-    1.19  0.070 / 0.080
G14     357.0          67.0                7.3 +/-    0.42       7.8 +/-    0.42  0.060 / 0.090
G18     116.9          14.1                9.1 +/-    1.74      23.1 +/-    1.74  0.030 / 0.030
G22     309.0          24.2                7.3 +/-    1.30      14.6 +/-    1.30  0.030 / 0.030
G25     82.0           16.2                8.9 +/-    2.43      21.6 +/-    2.43  0.090 / 0.150
G31     173.5          61.3                9.9 +/-    0.54      11.1 +/-    0.54  0.090 / 0.170
G32     32.8           54.7                6.9 +/-    1.11       8.3 +/-    1.11  0.030 / 0.020