PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-02:28:00
G10     251.9          29.1               13.0 +/-    1.60      23.3 +/-    1.60  0.080 / 0.140
G13     51.7           28.1                6.7 +/-    1.82      12.3 +/-    1.82  0.080 / 0.090
G15     81.4           56.5               10.3 +/-    0.77      12.1 +/-    0.77  0.040 / 0.050
G16     296.2          14.9                6.1 +/-    2.05      15.3 +/-    2.05  0.050 / 0.050
G20     272.2          51.8               11.8 +/-    2.42      14.6 +/-    2.42  0.100 / 0.380
G21     336.6          61.2               10.2 +/-    0.65      11.5 +/-    0.65  0.110 / 0.360
G26     268.0          14.8                9.9 +/-    1.55      24.7 +/-    1.55  0.090 / 0.230
G29     162.9          46.2               12.1 +/-    0.70      16.0 +/-    0.70  0.110 / 0.160