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                5.2 +/-    0.49       5.5 +/-    0.49  0.050 / 0.080
G08     54.6           43.7                3.6 +/-    0.67       5.0 +/-    0.67  0.060 / 0.070
G09     179.5          41.4                6.8 +/-    1.20       9.7 +/-    1.20  0.040 / 0.050
G11     124.5          32.1                6.8 +/-    1.22      11.5 +/-    1.22  0.040 / 0.040
G17     199.8          10.7               -4.6 +/-   21.25     -12.8 +/-   21.25  0.230 / 0.230
G23     160.4          11.0                4.7 +/-    2.25      12.8 +/-    2.25  0.170 / 0.350
G28     271.1          51.3                5.1 +/-    0.98       6.3 +/-    0.98  0.020 / 0.040
G30     333.2          60.0                3.7 +/-    0.75       4.3 +/-    0.75  0.020 / 0.040