PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-09:13:00
G01     48.0           23.7                3.0 +/-    1.99       6.0 +/-    1.99  0.040 / 0.050
G06     179.6          25.2                5.3 +/-    1.21      10.2 +/-    1.21  0.040 / 0.050
G11     44.0           12.2                1.1 +/-    3.19       3.0 +/-    3.19  0.020 / 0.020
G13     249.5          28.8                5.2 +/-    2.41       9.4 +/-    2.41  0.020 / 0.020
G15     281.0          15.5                3.7 +/-    2.10       9.1 +/-    2.10  0.100 / 0.110
G17     336.4          77.2                4.6 +/-    0.48       4.7 +/-    0.48  0.060 / 0.080
G19     253.3          63.8                5.4 +/-    0.76       5.9 +/-    0.76  0.090 / 0.240
G28     57.4           51.3                4.1 +/-    0.61       5.1 +/-    0.61  0.120 / 0.310
G30     150.6          38.3                6.8 +/-    1.28      10.1 +/-    1.28  0.150 / 0.150