PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/13-01:57:30
G03     245.7          69.0                4.0 +/-    0.47       4.3 +/-    0.47  0.040 / 0.050
G09     303.2          19.2                3.8 +/-    0.96       8.4 +/-    0.96  0.040 / 0.050
G14     97.1           18.1                4.4 +/-    2.24      10.1 +/-    2.24  0.120 / 0.320
G16     124.8          57.7                6.6 +/-    0.37       7.6 +/-    0.37  0.120 / 0.340
G22     199.7          57.5                5.2 +/-    0.84       6.1 +/-    0.84  0.090 / 0.200
G23     319.0          49.0                5.5 +/-    0.79       7.0 +/-    0.79  0.080 / 0.180
G26     70.5           51.6                3.8 +/-    0.61       4.7 +/-    0.61  0.030 / 0.030
G31     52.2           19.2               -1.1 +/-    2.18      -2.6 +/-    2.18  0.030 / 0.030