PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/02-09:12:50 G02 202.3 33.0 5.3 +/- 2.42 8.8 +/- 2.42 0.070 / 0.100 G06 159.5 67.2 5.3 +/- 1.03 5.7 +/- 1.03 0.060 / 0.090 G12 306.5 16.3 3.4 +/- 3.34 8.3 +/- 3.34 0.040 / 0.090 G17 33.5 51.0 2.7 +/- 0.45 3.4 +/- 0.45 0.040 / 0.080 G19 1.4 65.7 3.3 +/- 0.65 3.5 +/- 0.65 0.040 / 0.050 G24 301.0 35.7 4.1 +/- 0.67 6.4 +/- 0.67 0.040 / 0.040 G28 95.6 39.6 5.6 +/- 0.64 8.1 +/- 0.64 0.080 / 0.120