PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-06:43:00
G01     123.9          12.5                4.8 +/-    3.06      12.8 +/-    3.06  0.040 / 0.040
G07     61.1           68.7                5.7 +/-    0.50       6.0 +/-    0.50  0.040 / 0.030
G08     50.0           39.5                3.8 +/-    0.87       5.5 +/-    0.87  0.120 / 0.260
G09     176.4          33.1                7.6 +/-    1.86      12.4 +/-    1.86  0.120 / 0.210
G11     119.0          37.2                7.1 +/-    1.32      10.8 +/-    1.32  0.090 / 0.380
G13     320.2          14.3                0.5 +/-    1.77       1.1 +/-    1.77  0.130 / 0.510
G17     199.9          15.2                3.4 +/-    0.78       8.3 +/-    0.78  0.030 / 0.040
G28     270.6          47.7                6.2 +/-    0.99       8.0 +/-    0.99  0.030 / 0.040
G30     331.2          60.1                4.3 +/-    0.64       4.8 +/-    0.64  0.060 / 0.090