PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-02:27:40
G10     297.2          52.4               11.4 +/-    0.86      14.0 +/-    0.86  0.040 / 0.040
G14     209.6          10.4               -5.0 +/-   23.92     -13.8 +/-   23.92  0.040 / 0.040
G15     46.1           28.2                7.1 +/-    1.23      12.9 +/-    1.23  0.050 / 0.100
G20     349.3          65.3                9.3 +/-    0.77      10.1 +/-    0.77  0.060 / 0.110
G21     91.5           74.9               12.4 +/-    0.73      12.8 +/-    0.73  0.040 / 0.050
G24     99.2           26.1               12.0 +/-    1.24      22.8 +/-    1.24  0.040 / 0.040
G27     302.6          33.3               10.2 +/-    1.02      16.7 +/-    1.02  0.210 / 0.490
G32     210.2          29.0               13.6 +/-    0.70      24.4 +/-    0.70  0.340 / 0.810