PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/17-00:12:50
G01     243.4          31.1                7.0 +/-    2.11      11.9 +/-    2.11  0.030 / 0.030
G03     313.8          49.6                5.1 +/-    0.69       6.5 +/-    0.69  0.030 / 0.030
G14     68.2           35.8                4.9 +/-    1.59       7.6 +/-    1.59  0.110 / 0.120
G16     164.1          21.9                9.9 +/-    2.19      20.8 +/-    2.19  0.060 / 0.110
G22     293.1          71.0                5.1 +/-    0.88       5.4 +/-    0.88  0.090 / 0.220
G23     291.5          22.7                6.9 +/-    1.79      14.2 +/-    1.79  0.110 / 0.250
G26     133.5          42.8               10.6 +/-    0.80      14.8 +/-    0.80  0.040 / 0.030
G31     39.2           54.8                4.5 +/-    0.67       5.4 +/-    0.67  0.050 / 0.040
G32     82.6           20.0                4.9 +/-    2.81      10.7 +/-    2.81  0.050 / 0.090