PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-21:42:40
G01     317.9          20.3                9.9 +/-    2.14      21.7 +/-    2.14  0.160 / 0.360
G08     254.3          11.6               12.6 +/-    2.55      34.1 +/-    2.55  0.190 / 0.330
G10     83.6           52.3                8.9 +/-    0.60      11.0 +/-    0.60  0.070 / 0.060
G11     300.3          24.7               10.3 +/-    1.49      20.2 +/-    1.49  0.050 / 0.060
G14     308.8          71.3                9.6 +/-    0.52      10.1 +/-    0.52  0.160 / 0.370
G18     104.7          26.0               12.8 +/-    0.75      24.4 +/-    0.75  0.160 / 0.330
G22     301.7          11.7                8.2 +/-    8.30      21.9 +/-    8.30  0.080 / 0.060
G31     178.4          42.5               15.9 +/-    0.94      22.2 +/-    0.94  0.070 / 0.050
G32     8.6            66.5                9.0 +/-    0.65       9.8 +/-    0.65  0.020 / 0.030