PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-08:58:00
G01     48.9           24.5                3.0 +/-    0.85       6.0 +/-    0.85  0.030 / 0.070
G06     179.9          23.9                5.2 +/-    1.81      10.3 +/-    1.81  0.040 / 0.060
G07     146.6          10.2                5.3 +/-    1.49      14.6 +/-    1.49  0.170 / 0.260
G11     44.3           13.3                1.3 +/-    1.46       3.4 +/-    1.46  0.160 / 0.270
G13     250.7          29.5                4.9 +/-    1.66       8.6 +/-    1.66  0.120 / 0.300
G15     282.2          15.7                3.7 +/-    2.58       9.0 +/-    2.58  0.110 / 0.290
G17     330.8          77.9                5.9 +/-    0.56       6.0 +/-    0.56  0.020 / 0.030
G19     250.9          62.8                4.9 +/-    1.09       5.5 +/-    1.09  0.020 / 0.030
G28     55.6           51.8                3.8 +/-    0.57       4.7 +/-    0.57  0.050 / 0.110
G30     150.0          39.5                7.8 +/-    1.04      11.5 +/-    1.04  0.050 / 0.100