PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/05-12:43:00 G01 83.4 32.2 4.6 +/- 0.74 7.8 +/- 0.74 0.050 / 0.060 G07 129.5 38.3 5.1 +/- 0.84 7.7 +/- 0.84 0.050 / 0.050 G11 63.4 38.7 2.3 +/- 0.44 3.4 +/- 0.44 0.090 / 0.120 G13 288.1 38.3 3.3 +/- 1.00 4.9 +/- 1.00 0.080 / 0.110 G15 312.2 11.6 0.9 +/- 1.76 2.5 +/- 1.76 0.050 / 0.080 G17 217.5 53.8 6.5 +/- 1.28 7.9 +/- 1.28 0.040 / 0.070 G18 58.3 22.5 1.9 +/- 0.77 4.0 +/- 0.77 0.060 / 0.120 G19 215.9 32.9 4.5 +/- 2.26 7.5 +/- 2.26 0.060 / 0.120 G28 344.0 61.5 3.3 +/- 0.63 3.7 +/- 0.63 0.050 / 0.080 G30 118.0 72.3 5.0 +/- 0.55 5.3 +/- 0.55 0.040 / 0.090