PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/25-04:57:50
G02     249.7          79.2                2.9 +/-    0.55       2.9 +/-    0.55  0.050 / 0.190
G05     170.3          18.2                5.3 +/-    1.22      12.2 +/-    1.22  0.070 / 0.200
G06     40.0           59.1                3.5 +/-    0.92       4.0 +/-    0.92  0.040 / 0.110
G12     321.2          52.0                3.4 +/-    1.32       4.2 +/-    1.32  0.060 / 0.110
G17     71.5           23.0                3.0 +/-    0.57       6.2 +/-    0.57  0.040 / 0.030
G19     58.9           37.6                2.9 +/-    0.99       4.3 +/-    0.99  0.040 / 0.030
G24     244.6          34.1                6.4 +/-    1.58      10.4 +/-    1.58  0.050 / 0.050
G25     317.0          12.8                1.6 +/-    2.46       4.1 +/-    2.46  0.040 / 0.050