PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/02-15:42:50 G01 122.2 14.7 10.8 +/- 2.51 27.1 +/- 2.51 0.040 / 0.080 G07 79.0 64.4 11.7 +/- 0.33 12.8 +/- 0.33 0.050 / 0.070 G08 47.5 36.1 8.6 +/- 0.64 13.4 +/- 0.64 0.020 / 0.040 G09 178.3 32.1 11.8 +/- 1.47 19.8 +/- 1.47 0.030 / 0.040 G11 111.5 38.8 11.0 +/- 0.92 16.3 +/- 0.92 0.040 / 0.100 G13 319.2 16.8 8.3 +/- 1.46 19.8 +/- 1.46 0.050 / 0.070 G17 200.4 19.0 10.7 +/- 2.61 24.2 +/- 2.61 0.130 / 0.280 G18 97.2 19.0 11.0 +/- 1.03 24.9 +/- 1.03 0.140 / 0.220 G28 278.0 51.6 12.3 +/- 1.14 15.3 +/- 1.14 0.080 / 0.210 G30 345.8 67.5 9.6 +/- 1.06 10.3 +/- 1.06 0.080 / 0.200