PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-19:28:00
G10     263.4          37.5               13.8 +/-    1.11      21.0 +/-    1.11  0.120 / 0.370
G13     43.4           20.0               10.3 +/-    1.05      22.8 +/-    1.05  0.150 / 0.340
G15     63.4           51.4               13.9 +/-    0.68      17.2 +/-    0.68  0.050 / 0.050
G16     282.1          13.8               11.2 +/-    1.73      28.8 +/-    1.73  0.040 / 0.050
G20     292.8          59.4               13.2 +/-    0.64      15.0 +/-    0.64  0.130 / 0.340
G21     353.4          68.7               12.6 +/-    0.49      13.4 +/-    0.49  0.130 / 0.380
G24     125.2          11.8               17.0 +/-    2.25      45.5 +/-    2.25  0.120 / 0.290
G27     320.4          15.6                7.3 +/-    1.77      18.0 +/-    1.77  0.100 / 0.370
G29     166.8          36.1               14.6 +/-    1.30      22.7 +/-    1.30  0.090 / 0.240