PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/06-16:43:00 G01 87.1 31.9 8.3 +/- 1.02 14.0 +/- 1.02 0.050 / 0.060 G07 127.7 38.5 9.3 +/- 0.59 13.9 +/- 0.59 0.050 / 0.040 G11 65.4 39.1 7.5 +/- 1.74 11.1 +/- 1.74 0.070 / 0.080 G13 291.5 37.5 13.3 +/- 1.41 20.2 +/- 1.41 0.070 / 0.110 G15 313.4 11.2 4.2 +/- 17.59 11.3 +/- 17.59 0.050 / 0.070 G17 215.1 54.3 10.6 +/- 1.00 12.8 +/- 1.00 0.040 / 0.060 G18 60.3 22.8 7.4 +/- 1.96 15.3 +/- 1.96 0.110 / 0.130 G19 214.7 29.8 11.0 +/- 2.52 19.4 +/- 2.52 0.090 / 0.130 G28 341.3 61.6 8.2 +/- 0.83 9.2 +/- 0.83 0.040 / 0.050