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                4.8 +/-    0.71       8.2 +/-    0.71  0.040 / 0.030
G07     138.8          27.6                6.9 +/-    1.50      12.7 +/-    1.50  0.030 / 0.040
G11     52.5           31.5                4.6 +/-    1.27       7.9 +/-    1.27  0.150 / 0.270
G13     268.7          38.2                5.6 +/-    2.47       8.4 +/-    2.47  0.140 / 0.260
G15     297.9          16.5                3.5 +/-    2.13       8.4 +/-    2.13  0.030 / 0.020
G17     237.7          71.8                7.2 +/-    0.48       7.6 +/-    0.48  0.020 / 0.030
G19     225.7          47.4                6.4 +/-    1.75       8.4 +/-    1.75  0.040 / 0.050
G28     9.1            61.1                4.9 +/-    1.50       5.5 +/-    1.50  0.040 / 0.050
G30     139.5          62.2                6.8 +/-    0.89       7.5 +/-    0.89  0.060 / 0.100