PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-06:27:50
G07     46.4           69.4                5.2 +/-    0.35       5.5 +/-    0.35  0.030 / 0.050
G08     54.1           43.2                4.5 +/-    0.56       6.2 +/-    0.56  0.030 / 0.040
G09     176.8          38.2                8.4 +/-    1.03      12.7 +/-    1.03  0.150 / 0.270
G11     124.1          34.2                8.9 +/-    1.14      14.3 +/-    1.14  0.180 / 0.310
G17     199.4          10.5               -5.2 +/-   18.45     -14.3 +/-   18.45  0.050 / 0.100
G23     160.3          10.3                3.4 +/-    4.40       9.3 +/-    4.40  0.050 / 0.110
G28     264.2          44.7                3.4 +/-    0.84       4.6 +/-    0.84  0.040 / 0.030
G30     326.1          56.0                3.8 +/-    0.77       4.4 +/-    0.77  0.030 / 0.040