PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-06:27:50
G01     260.5          38.9                5.3 +/-    0.76       7.8 +/-    0.76  0.030 / 0.050
G03     316.3          33.8                2.4 +/-    1.43       4.0 +/-    1.43  0.030 / 0.050
G10     133.7          11.9                3.6 +/-    2.28       9.5 +/-    2.28  0.070 / 0.090
G11     241.3          17.3                5.6 +/-    3.32      13.2 +/-    3.32  0.060 / 0.100
G14     53.3           44.2                2.3 +/-    0.46       3.2 +/-    0.46  0.070 / 0.260
G22     311.7          59.2                3.9 +/-    0.92       4.5 +/-    0.92  0.090 / 0.260
G25     42.3           11.3                2.3 +/-    1.04       6.3 +/-    1.04  0.060 / 0.090
G26     144.6          30.4                6.2 +/-    0.80      10.7 +/-    0.80  0.050 / 0.080
G31     44.5           67.4                4.0 +/-    0.50       4.2 +/-    0.50  0.130 / 0.330
G32     69.9           28.9                2.6 +/-    0.71       4.6 +/-    0.71  0.130 / 0.310