PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/05-06:57:50
G01     64.9           31.1                5.4 +/-    0.88       9.2 +/-    0.88  0.030 / 0.030
G07     138.8          27.6                7.0 +/-    1.35      12.9 +/-    1.35  0.040 / 0.040
G11     52.5           31.5                3.7 +/-    1.02       6.3 +/-    1.02  0.080 / 0.120
G13     268.7          38.2                7.4 +/-    0.94      11.0 +/-    0.94  0.050 / 0.110
G15     297.9          16.5                2.2 +/-    1.63       5.2 +/-    1.63  0.050 / 0.100
G17     237.7          71.8                7.0 +/-    1.20       7.4 +/-    1.20  0.070 / 0.100
G19     225.7          47.4                7.1 +/-    1.74       9.2 +/-    1.74  0.070 / 0.110
G28     9.1            61.1                3.5 +/-    0.50       4.0 +/-    0.50  0.070 / 0.130
G30     139.5          62.2                7.1 +/-    0.66       7.9 +/-    0.66  0.040 / 0.060