PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-10:12:40
G02     200.6          26.1                5.1 +/-    1.04       9.7 +/-    1.04  0.040 / 0.100
G06     173.4          56.3                9.1 +/-    0.74      10.7 +/-    0.74  0.050 / 0.110
G13     225.3          10.2                3.8 +/-    3.45      10.5 +/-    3.45  0.040 / 0.040
G17     29.1           54.8                2.9 +/-    0.59       3.5 +/-    0.59  0.050 / 0.080
G19     343.1          69.5                4.4 +/-    0.71       4.7 +/-    0.71  0.060 / 0.110
G24     307.9          31.6                2.7 +/-    0.90       4.6 +/-    0.90  0.060 / 0.110
G28     93.7           36.4                5.7 +/-    0.92       8.8 +/-    0.92  0.040 / 0.030
G30     157.4          10.1                4.6 +/-   12.45      12.7 +/-   12.45  0.040 / 0.040