PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-02:42:30
G10     251.4          28.7               14.7 +/-    1.02      26.6 +/-    1.02  0.040 / 0.060
G13     52.3           28.4                7.0 +/-    0.67      12.7 +/-    0.67  0.040 / 0.050
G15     82.5           56.6                9.9 +/-    0.68      11.6 +/-    0.68  0.060 / 0.160
G16     296.9          14.9                9.0 +/-    3.01      22.4 +/-    3.01  0.060 / 0.140
G20     271.4          51.4               12.0 +/-    0.84      14.9 +/-    0.84  0.060 / 0.130
G21     335.9          60.9               10.7 +/-    0.54      12.0 +/-    0.54  0.080 / 0.130
G26     268.7          15.0               12.1 +/-    1.59      30.0 +/-    1.59  0.030 / 0.030
G29     162.6          46.7               10.6 +/-    1.32      13.9 +/-    1.32  0.040 / 0.040