PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/30-21:12:40
G10     264.6          38.1               16.6 +/-    1.33      24.9 +/-    1.33  0.050 / 0.040
G13     42.7           19.1               11.3 +/-    1.48      25.4 +/-    1.48  0.080 / 0.050
G15     62.7           51.4               15.8 +/-    0.59      19.5 +/-    0.59  0.120 / 0.270
G20     293.9          59.4               15.6 +/-    0.90      17.8 +/-    0.90  0.130 / 0.230
G21     355.3          69.5               15.2 +/-    0.46      16.1 +/-    0.46  0.110 / 0.450
G24     124.0          12.6               16.0 +/-    3.11      42.2 +/-    3.11  0.100 / 0.340
G27     320.0          16.4               11.0 +/-    1.59      26.4 +/-    1.59  0.080 / 0.290
G29     166.8          34.4               17.8 +/-    1.18      28.6 +/-    1.18  0.080 / 0.290