PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/19-11:13:00 G02 29.2 58.1 5.1 +/- 0.54 5.8 +/- 0.54 0.030 / 0.040 G05 152.9 55.4 6.4 +/- 0.75 7.6 +/- 0.75 0.030 / 0.050 G06 50.4 19.4 2.2 +/- 1.06 4.9 +/- 1.06 0.030 / 0.040 G12 197.5 72.3 4.5 +/- 0.67 4.8 +/- 0.67 0.030 / 0.030 G19 95.8 10.9 5.2 +/- 1.81 14.1 +/- 1.81 0.030 / 0.040 G25 304.2 49.2 3.8 +/- 1.01 4.9 +/- 1.01 0.040 / 0.050 G29 302.4 22.9 4.6 +/- 0.93 9.5 +/- 0.93 0.080 / 0.350