PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-08:58:10
G01     228.1          19.9                6.9 +/-    1.51      15.3 +/-    1.51  0.090 / 0.190
G03     294.3          67.1                2.7 +/-    0.64       2.9 +/-    0.64  0.120 / 0.210
G14     82.5           26.8                3.1 +/-    1.20       5.8 +/-    1.20  0.030 / 0.040
G16     150.4          40.1                5.2 +/-    1.08       7.6 +/-    1.08  0.030 / 0.040
G22     224.7          73.0                4.1 +/-    0.69       4.3 +/-    0.69  0.030 / 0.040
G23     306.1          37.3                2.2 +/-    1.41       3.3 +/-    1.41  0.030 / 0.040
G26     106.0          53.2                5.2 +/-    0.63       6.3 +/-    0.63  0.090 / 0.170
G31     44.4           34.6                1.9 +/-    0.56       3.0 +/-    0.56  0.090 / 0.190
G32     95.2           10.4                2.1 +/-    1.85       5.9 +/-    1.85  0.060 / 0.090