PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/14-21:27:30
G10     243.9          22.4               10.6 +/-    1.31      22.0 +/-    1.31  0.040 / 0.050
G13     61.1           32.6                6.8 +/-    0.85      11.2 +/-    0.85  0.040 / 0.050
G15     103.8          57.5                9.7 +/-    0.56      11.2 +/-    0.56  0.050 / 0.140
G16     303.8          15.2                6.0 +/-    1.41      14.8 +/-    1.41  0.070 / 0.120
G20     260.1          45.5                9.4 +/-    2.67      12.5 +/-    2.67  0.030 / 0.030
G21     324.2          53.8                8.3 +/-    0.60      10.0 +/-    0.60  0.030 / 0.040
G26     276.1          18.2                8.2 +/-    1.29      19.0 +/-    1.29  0.120 / 0.410
G29     160.3          59.4               10.0 +/-    0.29      11.4 +/-    0.29  0.090 / 0.380