PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/26-21:43:00
G10     271.4          41.9                9.6 +/-    0.89      13.5 +/-    0.89  0.040 / 0.060
G13     40.0           14.5                7.8 +/-    2.00      19.7 +/-    2.00  0.060 / 0.040
G15     56.0           46.6                8.2 +/-    0.90      10.8 +/-    0.90  0.120 / 0.240
G20     305.8          61.9                9.4 +/-    1.15      10.5 +/-    1.15  0.120 / 0.210
G21     9.9            73.3                9.6 +/-    0.94      10.0 +/-    0.94  0.080 / 0.230
G24     118.8          16.2               12.0 +/-    2.16      29.1 +/-    2.16  0.090 / 0.280
G27     317.3          21.2                7.0 +/-    2.75      15.0 +/-    2.75  0.110 / 0.410
G29     167.5          27.9               12.5 +/-    0.89      22.9 +/-    0.89  0.120 / 0.360
G32     204.6          12.1               12.6 +/-    9.01      33.5 +/-    9.01  0.030 / 0.050