PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/10-10:27:50
G02     201.3          29.1                5.3 +/-    0.73       9.5 +/-    0.73  0.050 / 0.130
G06     171.9          59.9                7.9 +/-    0.66       9.0 +/-    0.66  0.060 / 0.100
G17     32.2           52.4                4.3 +/-    0.52       5.3 +/-    0.52  0.030 / 0.040
G19     351.5          68.0                2.5 +/-    0.73       2.7 +/-    0.73  0.040 / 0.050
G24     305.4          33.5                1.3 +/-    1.82       2.2 +/-    1.82  0.040 / 0.040
G28     96.9           34.5                5.2 +/-    0.91       8.3 +/-    0.91  0.040 / 0.040