PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-19:27:30
G10     263.4          37.5               13.7 +/-    2.01      20.8 +/-    2.01  0.050 / 0.030
G13     43.4           20.0                9.9 +/-    2.45      21.8 +/-    2.45  0.040 / 0.040
G15     63.4           51.4               11.4 +/-    0.97      14.2 +/-    0.97  0.110 / 0.220
G16     282.1          13.8                9.6 +/-    1.33      24.6 +/-    1.33  0.150 / 0.230
G20     292.8          59.4               11.6 +/-    0.83      13.2 +/-    0.83  0.030 / 0.050
G21     353.4          68.7               12.3 +/-    0.65      13.1 +/-    0.65  0.030 / 0.040
G24     125.2          11.8               17.4 +/-    2.58      46.6 +/-    2.58  0.140 / 0.510
G27     320.4          15.6                9.6 +/-    1.15      23.5 +/-    1.15  0.170 / 0.600
G29     166.8          36.1               14.2 +/-    1.01      22.0 +/-    1.01  0.150 / 0.230