PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/22-04:27:30
G03     238.7          67.5                5.9 +/-    1.02       6.4 +/-    1.02  0.110 / 0.410
G09     306.1          24.3                5.7 +/-    2.26      11.2 +/-    2.26  0.130 / 0.440
G14     100.6          14.0                4.1 +/-    2.08      10.5 +/-    2.08  0.050 / 0.040
G16     120.5          60.0                5.2 +/-    0.49       5.9 +/-    0.49  0.050 / 0.040
G22     195.8          54.5                6.0 +/-    0.66       7.2 +/-    0.66  0.050 / 0.060
G23     319.5          49.3                5.2 +/-    0.67       6.6 +/-    0.67  0.050 / 0.060
G26     66.3           50.3                5.2 +/-    0.76       6.5 +/-    0.76  0.040 / 0.030
G31     53.1           18.1                2.7 +/-    3.65       6.3 +/-    3.65  0.040 / 0.050