PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-02:12:30
G03     239.4          67.4                8.7 +/-    1.45       9.3 +/-    1.45  0.050 / 0.050
G09     304.3          19.5                5.1 +/-    1.66      11.4 +/-    1.66  0.040 / 0.050
G14     101.2          12.8                8.0 +/-    2.34      20.9 +/-    2.34  0.140 / 0.200
G16     136.8          58.7               12.7 +/-    0.60      14.6 +/-    0.60  0.220 / 0.170
G22     195.6          55.2               11.4 +/-    0.57      13.6 +/-    0.57  0.030 / 0.040
G23     319.1          48.7                8.6 +/-    0.83      11.0 +/-    0.83  0.030 / 0.040
G26     72.1           54.1                8.7 +/-    0.69      10.5 +/-    0.69  0.110 / 0.320
G31     51.5           22.3                6.0 +/-    2.89      12.6 +/-    2.89  0.170 / 0.250