PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-13:27:50
G01     309.1          32.4                4.1 +/-    2.17       6.8 +/-    2.17  0.080 / 0.110
G10     103.7          40.6                4.1 +/-    0.86       5.9 +/-    0.86  0.090 / 0.110
G11     282.9          28.2                3.4 +/-    0.92       6.1 +/-    0.92  0.030 / 0.060
G14     354.2          67.8                3.1 +/-    0.43       3.3 +/-    0.43  0.040 / 0.060
G18     276.7          51.2                9.0 +/-    1.89      11.1 +/-    1.89  0.050 / 0.050
G20     119.2          15.5                5.3 +/-    1.67      13.1 +/-    1.67  0.060 / 0.050
G22     309.9          26.9                3.9 +/-    0.76       7.2 +/-    0.76  0.050 / 0.030
G25     82.5           15.3                6.2 +/-    2.92      15.3 +/-    2.92  0.060 / 0.030
G31     172.2          60.4                6.3 +/-    0.64       7.1 +/-    0.64  0.040 / 0.050
G32     28.3           57.3                4.0 +/-    1.22       4.6 +/-    1.22  0.060 / 0.040