PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/04-22:13:10
G01     319.9          15.1                8.7 +/-    1.35      21.4 +/-    1.35  0.170 / 0.330
G08     259.5          14.8               11.8 +/-    1.08      29.6 +/-    1.08  0.270 / 0.440
G10     73.5           55.7                8.0 +/-    0.48       9.4 +/-    0.48  0.100 / 0.080
G11     305.7          21.9                7.8 +/-    1.96      16.4 +/-    1.96  0.050 / 0.090
G14     289.1          70.3               10.7 +/-    0.67      11.3 +/-    0.67  0.160 / 0.410
G18     99.2           30.6               10.3 +/-    0.92      17.7 +/-    0.92  0.130 / 0.510
G27     225.1          10.5               13.1 +/-    3.02      36.2 +/-    3.02  0.020 / 0.030
G31     179.9          35.0               12.4 +/-    1.26      19.7 +/-    1.26  0.030 / 0.030
G32     353.4          70.8                9.7 +/-    0.72      10.2 +/-    0.72  0.050 / 0.040