PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-02:28:10
G10     287.2          48.9               10.8 +/-    1.08      13.8 +/-    1.08  0.080 / 0.150
G15     47.9           34.3                6.2 +/-    1.16       9.9 +/-    1.16  0.070 / 0.120
G20     332.7          64.9                9.3 +/-    0.95      10.2 +/-    0.95  0.050 / 0.050
G24     106.3          23.0                9.7 +/-    0.89      19.8 +/-    0.89  0.060 / 0.050
G27     309.1          29.5                7.8 +/-    1.90      13.8 +/-    1.90  0.040 / 0.070
G29     167.3          13.8               10.1 +/-    1.43      26.0 +/-    1.43  0.040 / 0.070
G32     207.9          22.2               13.0 +/-    1.57      27.1 +/-    1.57  0.090 / 0.190