PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-00:57:30
G01     239.9          28.7               12.2 +/-    0.64      22.0 +/-    0.64  0.040 / 0.030
G03     311.9          52.8                9.3 +/-    1.02      11.4 +/-    1.02  0.030 / 0.030
G14     71.8           33.5                8.6 +/-    1.10      14.1 +/-    1.10  0.110 / 0.100
G16     162.8          25.2               15.4 +/-    1.40      30.1 +/-    1.40  0.100 / 0.110
G22     282.9          73.3               10.2 +/-    0.89      10.6 +/-    0.89  0.050 / 0.040
G23     294.1          24.9               10.3 +/-    1.41      20.2 +/-    1.41  0.040 / 0.040
G26     130.2          45.5               14.9 +/-    0.73      20.0 +/-    0.73  0.110 / 0.180
G31     39.3           51.7                9.3 +/-    0.94      11.5 +/-    0.94  0.100 / 0.180
G32     85.5           18.1                8.7 +/-    2.57      20.0 +/-    2.57  0.060 / 0.110