PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/24-11:27:50
G01     306.9          33.3                5.5 +/-    1.35       9.1 +/-    1.35  0.040 / 0.050
G10     106.4          40.0                5.6 +/-    0.64       8.2 +/-    0.64  0.040 / 0.050
G11     283.3          27.5                4.4 +/-    1.40       8.1 +/-    1.40  0.090 / 0.270
G14     347.2          67.7                3.9 +/-    1.06       4.2 +/-    1.06  0.090 / 0.310
G18     278.2          49.3                5.5 +/-    0.86       7.0 +/-    0.86  0.090 / 0.180
G22     311.1          31.2                3.8 +/-    0.66       6.5 +/-    0.66  0.090 / 0.180
G25     82.7           16.8                2.8 +/-    1.15       6.6 +/-    1.15  0.050 / 0.050
G31     161.9          67.0                7.4 +/-    0.88       8.0 +/-    0.88  0.050 / 0.060
G32     38.3           50.9                5.3 +/-    0.51       6.6 +/-    0.51  0.060 / 0.090