PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/12/11-04:43:10 G01 92.2 31.2 7.1 +/- 0.50 12.2 +/- 0.50 0.060 / 0.160 G07 124.2 44.8 7.4 +/- 1.40 10.0 +/- 1.40 0.060 / 0.170 G11 68.7 39.6 5.1 +/- 0.67 7.5 +/- 0.67 0.070 / 0.130 G13 296.2 35.9 5.5 +/- 1.10 8.6 +/- 1.10 0.080 / 0.130 G17 212.1 54.6 8.3 +/- 0.48 9.9 +/- 0.48 0.060 / 0.050 G18 62.4 22.6 3.7 +/- 1.15 7.6 +/- 1.15 0.050 / 0.060 G19 213.7 23.3 7.2 +/- 2.25 14.7 +/- 2.25 0.030 / 0.030 G28 340.9 61.8 4.6 +/- 0.73 5.1 +/- 0.73 0.020 / 0.040 G30 93.1 78.7 5.8 +/- 0.58 5.9 +/- 0.58 0.080 / 0.120