PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-04:28:00
G01     317.7          20.6                5.0 +/-    1.68      10.8 +/-    1.68  0.130 / 0.280
G08     253.1          11.6                8.1 +/-    3.33      21.8 +/-    3.33  0.110 / 0.230
G10     83.4           52.5                4.7 +/-    0.57       5.7 +/-    0.57  0.130 / 0.260
G11     298.4          26.3                4.8 +/-    1.61       9.1 +/-    1.61  0.120 / 0.270
G14     312.3          71.6                4.5 +/-    0.54       4.7 +/-    0.54  0.040 / 0.040
G18     103.7          28.3                3.5 +/-    0.88       6.4 +/-    0.88  0.050 / 0.040
G22     302.0          13.2                6.7 +/-    1.60      17.3 +/-    1.60  0.060 / 0.040
G31     175.7          45.0                6.9 +/-    1.48       9.3 +/-    1.48  0.040 / 0.040
G32     10.1           66.1                3.9 +/-    0.96       4.2 +/-    0.96  0.060 / 0.060