PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/05-16:57:40 G01 80.9 32.6 8.2 +/- 1.05 13.6 +/- 1.05 0.040 / 0.050 G07 131.5 34.0 10.9 +/- 1.39 17.7 +/- 1.39 0.050 / 0.060 G11 60.2 36.4 9.2 +/- 1.03 14.2 +/- 1.03 0.060 / 0.080 G13 285.2 38.5 15.9 +/- 2.19 23.7 +/- 2.19 0.070 / 0.090 G15 309.5 13.2 10.9 +/- 2.24 28.3 +/- 2.24 0.050 / 0.070 G17 219.6 59.4 13.3 +/- 1.75 15.2 +/- 1.75 0.050 / 0.080 G18 55.5 21.3 9.9 +/- 1.84 21.1 +/- 1.84 0.080 / 0.110 G19 217.4 34.5 14.3 +/- 1.20 23.0 +/- 1.20 0.070 / 0.100 G28 351.4 61.6 11.1 +/- 0.88 12.4 +/- 0.88 0.040 / 0.050 G30 124.4 66.7 13.2 +/- 0.62 14.2 +/- 0.62 0.050 / 0.060