PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/03-17:58:00 G01 54.0 27.7 7.5 +/- 0.88 13.8 +/- 0.88 0.040 / 0.070 G06 179.1 18.9 13.1 +/- 1.42 29.6 +/- 1.42 0.040 / 0.060 G07 143.6 12.4 10.1 +/- 2.89 26.8 +/- 2.89 0.060 / 0.330 G11 45.7 19.1 7.8 +/- 2.01 17.6 +/- 2.01 0.070 / 0.350 G13 255.0 33.7 11.3 +/- 1.45 18.4 +/- 1.45 0.030 / 0.070 G15 287.8 16.4 10.3 +/- 2.61 24.7 +/- 2.61 0.040 / 0.070 G17 279.9 78.4 12.3 +/- 0.52 12.5 +/- 0.52 0.060 / 0.120 G19 238.5 56.5 13.1 +/- 0.78 15.3 +/- 0.78 0.060 / 0.110 G28 36.3 57.7 9.4 +/- 0.33 10.9 +/- 0.33 0.060 / 0.190 G30 146.4 43.3 13.1 +/- 0.82 18.1 +/- 0.82 0.070 / 0.160