PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/24-01:12:30
G07     39.9           69.6                6.2 +/-    1.00       6.6 +/-    1.00  0.130 / 0.080
G08     54.6           43.7                6.2 +/-    0.75       8.6 +/-    0.75  0.080 / 0.080
G09     179.5          41.4                7.8 +/-    0.50      11.2 +/-    0.50  0.250 / 0.300
G11     124.5          32.1                6.5 +/-    1.63      10.9 +/-    1.63  0.030 / 0.030
G17     199.8          10.7               -6.5 +/-   11.80     -17.9 +/-   11.80  0.030 / 0.030
G23     160.4          11.0                6.7 +/-    1.46      18.4 +/-    1.46  0.040 / 0.040
G27     37.6           9.6                 2.1 +/-    3.20       5.8 +/-    3.20  0.030 / 0.050
G28     271.1          51.3                6.9 +/-    3.41       8.6 +/-    3.41  0.240 / 0.440
G30     333.2          60.0                4.2 +/-    0.41       4.7 +/-    0.41  0.280 / 0.440