PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/08-02:57:30
G01     309.1          31.5                6.6 +/-    1.77      11.3 +/-    1.77  0.120 / 0.140
G10     102.8          42.9               17.1 +/-    0.80      23.8 +/-    0.80  0.110 / 0.150
G11     283.0          29.3               13.2 +/-    1.08      23.5 +/-    1.08  0.050 / 0.050
G14     355.0          67.6               14.4 +/-    0.86      15.5 +/-    0.86  0.050 / 0.050
G18     115.2          16.9               12.7 +/-    2.27      30.2 +/-    2.27  0.030 / 0.030
G22     308.4          23.4                5.1 +/-    0.84      10.3 +/-    0.84  0.030 / 0.030
G25     81.4           15.3               11.4 +/-    1.56      28.0 +/-    1.56  0.050 / 0.050
G31     171.8          60.7               18.1 +/-    0.60      20.4 +/-    0.60  0.050 / 0.060
G32     30.1           56.3               12.9 +/-    1.03      15.2 +/-    1.03  0.150 / 0.250