PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/03-00:27:50
G01     319.9          14.9                9.6 +/-    1.33      24.0 +/-    1.33  0.020 / 0.030
G08     259.4          15.0               13.8 +/-    1.65      34.4 +/-    1.65  0.040 / 0.020
G10     72.6           56.0               11.0 +/-    0.83      13.0 +/-    0.83  0.160 / 0.440
G11     305.4          22.3               10.2 +/-    1.74      21.2 +/-    1.74  0.140 / 0.410
G14     289.0          70.5               11.9 +/-    0.72      12.6 +/-    0.72  0.050 / 0.050
G18     98.4           31.6               13.0 +/-    0.90      22.0 +/-    0.90  0.050 / 0.050
G27     225.4          10.7               18.8 +/-    3.87      51.6 +/-    3.87  0.060 / 0.090
G31     179.3          35.3               16.7 +/-    2.31      26.4 +/-    2.31  0.040 / 0.080
G32     348.4          71.4               11.2 +/-    0.72      11.7 +/-    0.72  0.200 / 0.310