PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/11-04:12:40
G02     201.4          32.8                6.0 +/-    1.30      10.0 +/-    1.30  0.120 / 0.300
G06     169.1          63.3                5.6 +/-    0.75       6.2 +/-    0.75  0.140 / 0.330
G12     305.2          11.2               -1.7 +/-   16.05      -4.7 +/-   16.05  0.060 / 0.100
G17     31.3           53.0                3.0 +/-    0.73       3.6 +/-    0.73  0.050 / 0.110
G19     354.2          67.1                1.8 +/-    0.64       1.9 +/-    0.64  0.020 / 0.050
G24     302.6          35.5                1.6 +/-    0.79       2.5 +/-    0.79  0.030 / 0.050
G28     99.3           33.0                5.1 +/-    0.94       8.5 +/-    0.94  0.050 / 0.120