PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/25-04:43:10
G02     230.8          73.8                4.2 +/-    0.33       4.3 +/-    0.33  0.250 / 0.410
G05     172.8          12.8                3.5 +/-    2.75       9.2 +/-    2.75  0.210 / 0.260
G06     42.6           65.6                3.5 +/-    0.35       3.8 +/-    0.35  0.040 / 0.040
G12     320.9          45.7                4.0 +/-    0.68       5.4 +/-    0.68  0.030 / 0.050
G17     66.2           26.8                2.7 +/-    1.55       5.1 +/-    1.55  0.030 / 0.030
G19     52.5           41.5                2.6 +/-    1.67       3.6 +/-    1.67  0.030 / 0.030
G24     251.6          37.4                4.9 +/-    0.85       7.5 +/-    0.85  0.040 / 0.080