PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-07:12:40
G02     10.1           72.3                3.9 +/-    0.75       4.0 +/-    0.75  0.030 / 0.030
G05     160.0          40.9                8.2 +/-    1.02      11.7 +/-    1.02  0.020 / 0.030
G06     42.9           37.0                2.0 +/-    0.47       3.1 +/-    0.47  0.030 / 0.060
G12     296.9          75.6                4.1 +/-    1.35       4.3 +/-    1.35  0.040 / 0.050
G19     81.6           22.8                3.5 +/-    1.52       7.2 +/-    1.52  0.060 / 0.100
G24     224.2          18.3                6.7 +/-    3.74      15.4 +/-    3.74  0.070 / 0.080
G25     315.8          34.5                4.3 +/-    2.22       6.9 +/-    2.22  0.080 / 0.210
G29     292.0          14.3                5.0 +/-    0.86      12.7 +/-    0.86  0.080 / 0.200