PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/27-01:28:10
G02     203.7          40.0               10.5 +/-    1.08      15.3 +/-    1.08  0.120 / 0.230
G06     155.5          72.4               10.1 +/-    1.08      10.5 +/-    1.08  0.130 / 0.180
G12     309.3          17.3                8.1 +/-    1.18      19.0 +/-    1.18  0.020 / 0.040
G17     36.1           49.5                6.7 +/-    0.30       8.5 +/-    0.30  0.030 / 0.060
G19     7.8            63.3                7.4 +/-    0.50       8.2 +/-    0.50  0.060 / 0.050
G24     294.4          39.4                7.6 +/-    1.31      11.2 +/-    1.31  0.060 / 0.050
G28     106.2          28.4                8.0 +/-    0.70      14.5 +/-    0.70  0.080 / 0.090