PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/02-16:58:00 G01 87.9 31.7 10.2 +/- 1.16 17.3 +/- 1.16 0.050 / 0.060 G07 127.2 38.9 11.2 +/- 1.31 16.5 +/- 1.31 0.040 / 0.060 G11 66.0 39.3 9.8 +/- 0.65 14.3 +/- 0.65 0.040 / 0.080 G13 292.3 37.4 11.4 +/- 1.43 17.4 +/- 1.43 0.040 / 0.080 G15 313.9 11.0 5.8 +/- 23.35 15.7 +/- 23.35 0.070 / 0.090 G17 214.6 53.9 13.0 +/- 0.80 15.7 +/- 0.80 0.060 / 0.090 G18 60.9 22.9 9.4 +/- 1.10 19.4 +/- 1.10 0.060 / 0.130 G19 214.4 29.1 11.9 +/- 0.84 21.2 +/- 0.84 0.060 / 0.150 G28 340.2 61.5 9.8 +/- 1.07 10.9 +/- 1.07 0.060 / 0.150 G30 113.2 71.8 12.3 +/- 0.60 12.9 +/- 0.60 0.080 / 0.170