PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/28-05:12:40 G01 70.5 31.9 4.6 +/- 0.98 7.7 +/- 0.98 0.030 / 0.030 G07 135.9 32.8 8.7 +/- 1.08 14.4 +/- 1.08 0.030 / 0.020 G11 56.7 35.7 4.0 +/- 0.63 6.2 +/- 0.63 0.070 / 0.210 G13 275.2 39.0 7.2 +/- 0.93 10.7 +/- 0.93 0.090 / 0.200 G15 301.7 16.1 2.0 +/- 1.74 4.7 +/- 1.74 0.070 / 0.080 G17 228.3 68.1 7.9 +/- 0.68 8.5 +/- 0.68 0.070 / 0.080 G19 221.7 42.8 10.2 +/- 0.81 14.2 +/- 0.81 0.040 / 0.060 G28 358.2 61.5 5.2 +/- 0.39 5.9 +/- 0.39 0.040 / 0.060 G30 133.8 67.9 7.2 +/- 0.68 7.8 +/- 0.68 0.070 / 0.130