PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/24-21:42:50
G10     267.3          39.7               11.3 +/-    1.41      16.6 +/-    1.41  0.040 / 0.050
G13     41.5           17.3                7.3 +/-    2.70      17.1 +/-    2.70  0.040 / 0.030
G15     59.7           49.4                9.7 +/-    0.94      12.3 +/-    0.94  0.110 / 0.300
G16     279.1          12.6               10.9 +/-    1.68      28.6 +/-    1.68  0.230 / 0.260
G20     298.3          60.4                9.1 +/-    0.67      10.3 +/-    0.67  0.040 / 0.040
G21     0.6            71.1               10.3 +/-    0.52      10.8 +/-    0.52  0.030 / 0.040
G24     121.9          14.0               11.2 +/-    1.58      28.5 +/-    1.58  0.220 / 0.610
G27     319.1          18.3                8.6 +/-    2.11      19.8 +/-    2.11  0.220 / 0.560
G29     167.1          31.7               10.4 +/-    1.25      17.5 +/-    1.25  0.130 / 0.140