PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-04:42:40
G03     217.6          59.8                6.3 +/-    1.04       7.2 +/-    1.04  0.040 / 0.080
G07     256.3          15.3                5.3 +/-    1.71      13.0 +/-    1.71  0.080 / 0.060
G09     311.9          32.7                2.7 +/-    1.28       4.6 +/-    1.28  0.030 / 0.060
G16     95.5           63.7                5.1 +/-    0.48       5.6 +/-    0.48  0.030 / 0.060
G22     190.3          43.7                6.5 +/-    1.26       8.9 +/-    1.26  0.040 / 0.050
G23     327.8          57.8                4.0 +/-    0.82       4.7 +/-    0.82  0.030 / 0.040
G26     54.3           43.6                4.5 +/-    0.59       6.2 +/-    0.59  0.030 / 0.040
G31     58.8           10.8                2.6 +/-    3.45       7.2 +/-    3.45  0.040 / 0.040