PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/29-01:58:00
G03     236.4          67.2                5.6 +/-    0.58       6.0 +/-    0.58  0.050 / 0.050
G09     306.2          24.1                3.8 +/-    1.41       7.7 +/-    1.41  0.060 / 0.060
G14     101.3          13.0                4.6 +/-    2.01      11.9 +/-    2.01  0.130 / 0.490
G16     120.9          60.3                6.4 +/-    1.55       7.3 +/-    1.55  0.150 / 0.530
G22     195.6          53.9                7.9 +/-    1.03       9.5 +/-    1.03  0.040 / 0.050
G23     319.4          49.1                3.9 +/-    0.86       5.0 +/-    0.86  0.050 / 0.050
G26     66.6           50.9                3.7 +/-    0.29       4.6 +/-    0.29  0.050 / 0.060
G31     53.1           19.0                2.3 +/-    1.18       5.2 +/-    1.18  0.060 / 0.080