PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/05-22:57:30 G02 59.6 33.0 10.7 +/- 1.55 17.7 +/- 1.55 0.030 / 0.040 G05 56.9 60.1 12.4 +/- 0.45 14.1 +/- 0.45 0.040 / 0.040 G12 182.8 30.0 17.2 +/- 1.25 30.2 +/- 1.25 0.060 / 0.060 G13 127.6 15.6 18.1 +/- 2.38 44.4 +/- 2.38 0.070 / 0.070 G15 164.8 11.9 20.3 +/- 0.84 54.3 +/- 0.84 0.050 / 0.090 G21 271.5 16.9 17.4 +/- 2.29 41.2 +/- 2.29 0.060 / 0.080 G25 235.6 51.4 15.3 +/- 2.16 18.9 +/- 2.16 0.120 / 0.430 G29 327.8 54.0 11.4 +/- 0.97 13.7 +/- 0.97 0.130 / 0.450