PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/29-00:13:00
G01     226.1          19.0                9.4 +/-    2.03      21.2 +/-    2.03  0.050 / 0.040
G03     297.0          64.7                6.6 +/-    0.59       7.2 +/-    0.59  0.050 / 0.030
G14     81.3           29.6                6.9 +/-    1.25      12.2 +/-    1.25  0.090 / 0.140
G16     146.5          42.2                7.0 +/-    0.86       9.8 +/-    0.86  0.090 / 0.150
G22     231.8          72.7                5.9 +/-    0.84       6.1 +/-    0.84  0.050 / 0.090
G23     305.2          35.6                6.9 +/-    1.08      10.8 +/-    1.08  0.050 / 0.090
G26     102.7          53.3                5.3 +/-    1.79       6.4 +/-    1.79  0.040 / 0.040
G31     44.7           34.1                4.3 +/-    1.33       7.0 +/-    1.33  0.040 / 0.040