PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-23:57:30
G01     223.1          14.1                8.4 +/-    2.21      21.3 +/-    2.21  0.050 / 0.040
G03     276.9          69.1                6.2 +/-    0.46       6.6 +/-    0.46  0.040 / 0.040
G09     297.7          13.3                9.4 +/-    1.48      24.4 +/-    1.48  0.030 / 0.070
G14     90.4           21.2                6.5 +/-    2.13      14.0 +/-    2.13  0.040 / 0.060
G16     142.3          49.1                8.7 +/-    0.92      11.1 +/-    0.92  0.120 / 0.280
G22     210.2          67.1                7.1 +/-    0.84       7.7 +/-    0.84  0.120 / 0.260
G23     309.4          38.7                6.1 +/-    1.58       9.1 +/-    1.58  0.040 / 0.040
G26     91.2           55.0                5.8 +/-    0.62       7.0 +/-    0.62  0.040 / 0.040
G31     46.4           30.6                4.2 +/-    0.40       7.3 +/-    0.40  0.190 / 0.420