PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/11-03:27:40 G01 98.5 27.7 8.0 +/- 1.51 14.7 +/- 1.51 0.030 / 0.030 G07 114.3 54.2 7.1 +/- 0.58 8.5 +/- 0.58 0.030 / 0.020 G08 41.4 14.5 3.3 +/- 1.96 8.3 +/- 1.96 0.140 / 0.220 G11 85.6 45.6 5.8 +/- 0.64 7.8 +/- 0.64 0.240 / 0.170 G13 303.9 33.4 4.1 +/- 2.27 6.8 +/- 2.27 0.130 / 0.180 G17 206.9 44.2 7.8 +/- 0.32 10.6 +/- 0.32 0.070 / 0.120 G19 209.4 20.3 7.4 +/- 3.43 16.2 +/- 3.43 0.060 / 0.060 G28 311.4 58.5 5.0 +/- 1.21 5.7 +/- 1.21 0.040 / 0.070 G30 27.0 80.4 6.4 +/- 1.08 6.4 +/- 1.08 0.040 / 0.080