PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/17-22:12:40
G01     307.3          33.0                9.1 +/-    1.72      15.0 +/-    1.72  0.090 / 0.190
G10     105.6          40.9               10.1 +/-    0.62      14.5 +/-    0.62  0.080 / 0.170
G11     282.0          28.5                9.1 +/-    1.54      16.5 +/-    1.54  0.100 / 0.260
G14     358.1          66.7                9.0 +/-    0.41       9.7 +/-    0.41  0.090 / 0.330
G18     117.3          13.6               10.6 +/-    1.56      27.2 +/-    1.56  0.060 / 0.130
G22     309.3          24.7                8.0 +/-    0.95      15.6 +/-    0.95  0.070 / 0.100
G25     81.5           16.4                9.4 +/-    1.79      22.6 +/-    1.79  0.040 / 0.040
G31     172.8          62.2               12.3 +/-    0.81      13.7 +/-    0.81  0.030 / 0.040
G32     33.7           54.1                8.6 +/-    0.29      10.3 +/-    0.29  0.040 / 0.070