PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-20:12:30
G10     287.9          49.4               12.1 +/-    3.41      15.3 +/-    3.41  0.040 / 0.040
G15     48.0           34.8               10.5 +/-    0.83      16.7 +/-    0.83  0.040 / 0.040
G20     337.0          65.2               11.9 +/-    0.85      13.0 +/-    0.85  0.070 / 0.070
G21     61.8           77.2               12.7 +/-    0.37      13.0 +/-    0.37  0.100 / 0.090
G24     107.4          23.2               13.2 +/-    1.72      26.9 +/-    1.72  0.070 / 0.090
G27     308.4          30.3               10.9 +/-    1.42      19.0 +/-    1.42  0.080 / 0.110
G29     168.2          15.4               16.4 +/-    2.17      40.3 +/-    2.17  0.170 / 0.140
G32     207.2          24.9               17.0 +/-    0.99      33.4 +/-    0.99  0.200 / 0.190