PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/13-04:12:50
G01     256.1          37.4                8.0 +/-    1.16      12.1 +/-    1.16  0.130 / 0.380
G03     316.3          37.3                6.6 +/-    0.79      10.0 +/-    0.79  0.230 / 0.440
G11     238.9          15.3                7.5 +/-    1.85      18.4 +/-    1.85  0.050 / 0.070
G14     57.0           42.1                5.0 +/-    1.20       7.1 +/-    1.20  0.060 / 0.100
G22     309.5          61.6                6.4 +/-    0.77       7.2 +/-    0.77  0.020 / 0.030
G23     282.6          15.3                1.3 +/-    8.15       3.3 +/-    8.15  0.020 / 0.020
G25     40.7           10.5                5.6 +/-    3.36      15.5 +/-    3.36  0.030 / 0.040
G26     143.4          33.0                8.6 +/-    0.63      14.1 +/-    0.63  0.030 / 0.040
G31     42.0           65.4                6.3 +/-    0.46       6.9 +/-    0.46  0.080 / 0.190
G32     72.3           27.8                4.9 +/-    1.11       9.1 +/-    1.11  0.100 / 0.210