PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-01:27:50
G01     230.1          20.6                6.0 +/-    1.91      13.0 +/-    1.91  0.030 / 0.040
G03     299.4          62.9                1.5 +/-    1.74       1.7 +/-    1.74  0.030 / 0.030
G14     82.6           26.5                3.5 +/-    1.36       6.6 +/-    1.36  0.120 / 0.160
G16     157.1          36.8                6.6 +/-    1.33      10.2 +/-    1.33  0.170 / 0.180
G22     236.2          74.3                4.3 +/-    0.54       4.4 +/-    0.54  0.050 / 0.120
G23     302.7          32.5                4.0 +/-    0.63       6.7 +/-    0.63  0.050 / 0.130
G26     113.8          53.1                5.9 +/-    1.15       7.2 +/-    1.15  0.040 / 0.070
G31     42.0           40.7                2.0 +/-    0.91       2.9 +/-    0.91  0.050 / 0.060
G32     94.8           11.0                3.3 +/-    2.47       9.1 +/-    2.47  0.100 / 0.310