PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/26-05:43:10
G01     313.4          27.2                4.5 +/-    2.09       8.5 +/-    2.09  0.030 / 0.020
G10     95.1           47.3                5.1 +/-    0.42       6.7 +/-    0.42  0.040 / 0.020
G11     289.3          29.0                5.0 +/-    0.72       9.0 +/-    0.72  0.100 / 0.080
G14     339.0          70.1                3.4 +/-    0.59       3.6 +/-    0.59  0.120 / 0.090
G18     110.3          22.7                5.1 +/-    1.49      10.5 +/-    1.49  0.030 / 0.010
G22     306.1          19.9                4.2 +/-    1.49       9.4 +/-    1.49  0.030 / 0.010
G25     86.3           13.1                4.3 +/-    3.06      11.3 +/-    3.06  0.100 / 0.180
G31     172.4          55.0                7.4 +/-    0.60       8.8 +/-    0.60  0.100 / 0.160
G32     24.3           59.6                1.1 +/-    1.00       1.2 +/-    1.00  0.040 / 0.030