PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/07/14-03:58:00 G08 266.0 16.3 11.6 +/- 1.93 28.0 +/- 1.93 0.180 / 0.400 G10 70.9 55.0 5.2 +/- 0.63 6.1 +/- 0.63 0.130 / 0.380 G11 308.5 19.5 8.2 +/- 1.63 18.3 +/- 1.63 0.030 / 0.030 G14 276.5 68.4 6.1 +/- 0.53 6.5 +/- 0.53 0.030 / 0.030 G18 309.5 36.5 6.3 +/- 1.03 9.8 +/- 1.03 0.170 / 0.370 G20 99.9 33.8 6.9 +/- 0.86 11.2 +/- 0.86 0.160 / 0.430 G21 155.9 11.7 5.0 +/- 2.38 13.5 +/- 2.38 0.050 / 0.050 G27 229.0 13.3 9.0 +/- 2.02 23.3 +/- 2.02 0.050 / 0.050 G31 176.2 36.2 7.0 +/- 1.76 10.9 +/- 1.76 0.110 / 0.090 G32 348.2 72.4 6.2 +/- 0.47 6.5 +/- 0.47 0.070 / 0.100