PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/05-13:27:50
G01     55.2           28.3               10.3 +/-    1.63      18.6 +/-    1.63  0.100 / 0.130
G06     179.5          19.0               10.7 +/-    2.59      24.1 +/-    2.59  0.070 / 0.140
G07     143.9          15.5                9.9 +/-    3.58      24.4 +/-    3.58  0.050 / 0.050
G11     45.8           17.7                9.3 +/-    2.48      21.7 +/-    2.48  0.030 / 0.050
G13     259.5          33.1               10.6 +/-    2.11      17.4 +/-    2.11  0.170 / 0.180
G15     291.1          16.0                8.2 +/-    1.78      19.9 +/-    1.78  0.170 / 0.290
G17     295.0          80.0               11.7 +/-    0.40      11.9 +/-    0.40  0.170 / 0.310
G19     239.3          57.1               11.7 +/-    2.41      13.7 +/-    2.41  0.130 / 0.180
G28     44.0           54.8               11.4 +/-    1.08      13.6 +/-    1.08  0.040 / 0.030
G30     146.6          49.1               11.2 +/-    0.40      14.3 +/-    0.40  0.020 / 0.020