PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/05-09:42:40 G07 330.1 57.5 3.5 +/- 0.49 4.1 +/- 0.49 0.090 / 0.310 G08 114.2 49.9 5.2 +/- 0.48 6.6 +/- 0.48 0.390 / 0.300 G09 205.5 79.4 3.4 +/- 0.38 3.4 +/- 0.38 0.050 / 0.040 G11 149.3 10.6 -1.5 +/- 16.70 -4.2 +/- 16.70 0.030 / 0.040 G16 45.4 10.7 1.7 +/- 2.62 4.8 +/- 2.62 0.080 / 0.080 G23 152.2 43.9 5.8 +/- 1.43 8.0 +/- 1.43 0.060 / 0.060 G27 61.3 34.4 4.5 +/- 1.10 7.2 +/- 1.10 0.030 / 0.020 G28 231.8 19.2 3.2 +/- 1.84 7.1 +/- 1.84 0.030 / 0.030 G30 297.9 32.1 3.6 +/- 1.94 6.1 +/- 1.94 0.270 / 0.430