PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-04:27:40
G01     122.0          13.7                6.7 +/-    1.35      17.3 +/-    1.35  0.040 / 0.030
G07     64.4           68.7                8.0 +/-    0.49       8.5 +/-    0.49  0.030 / 0.040
G08     48.1           36.5                6.4 +/-    1.32       9.9 +/-    1.32  0.080 / 0.070
G09     175.1          29.7               10.1 +/-    1.56      17.9 +/-    1.56  0.050 / 0.050
G11     118.2          38.3                9.2 +/-    1.30      13.8 +/-    1.30  0.080 / 0.120
G13     319.5          15.9                3.2 +/-    1.92       7.8 +/-    1.92  0.090 / 0.100
G17     199.7          18.1                6.3 +/-    1.71      14.6 +/-    1.71  0.210 / 0.490
G28     272.5          48.2                7.4 +/-    2.81       9.6 +/-    2.81  0.210 / 0.310
G30     331.8          60.9                6.1 +/-    0.82       6.8 +/-    0.82  0.070 / 0.080