PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-02:27:30
G10     286.6          48.7               10.4 +/-    2.94      13.3 +/-    2.94  0.080 / 0.100
G15     48.0           34.7                7.1 +/-    1.33      11.4 +/-    1.33  0.080 / 0.110
G20     331.6          64.8                9.3 +/-    0.61      10.1 +/-    0.61  0.160 / 0.090
G21     60.6           77.1                9.7 +/-    0.69      10.0 +/-    0.69  0.130 / 0.120
G24     106.7          22.8                7.7 +/-    1.79      15.9 +/-    1.79  0.040 / 0.030
G27     309.5          29.3                8.4 +/-    1.13      15.0 +/-    1.13  0.040 / 0.030
G29     167.3          14.2                7.2 +/-    1.94      18.1 +/-    1.94  0.080 / 0.080
G32     207.7          21.7               12.7 +/-    1.32      26.8 +/-    1.32  0.090 / 0.080