PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-22:43:10
G10     265.0          38.3               10.6 +/-    1.67      15.9 +/-    1.67  0.130 / 0.260
G13     42.5           18.9                8.1 +/-    1.47      18.3 +/-    1.47  0.140 / 0.230
G15     61.6           50.4               10.2 +/-    0.94      12.7 +/-    0.94  0.140 / 0.320
G16     281.3          13.2                9.0 +/-    1.73      23.5 +/-    1.73  0.120 / 0.390
G20     293.8          59.2               10.2 +/-    1.24      11.7 +/-    1.24  0.040 / 0.050
G21     356.3          69.8                8.5 +/-    0.51       9.0 +/-    0.51  0.040 / 0.040
G24     123.3          12.8               10.2 +/-    3.20      26.7 +/-    3.20  0.080 / 0.250
G27     319.9          16.6                6.2 +/-    1.73      14.9 +/-    1.73  0.070 / 0.260
G29     166.7          33.5               10.9 +/-    2.08      17.9 +/-    2.08  0.070 / 0.100