PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/06-03:27:40 G01 108.2 23.0 8.0 +/- 1.41 16.3 +/- 1.41 0.040 / 0.030 G07 100.0 61.2 6.7 +/- 0.63 7.5 +/- 0.63 0.040 / 0.030 G08 42.1 22.6 4.0 +/- 2.21 8.3 +/- 2.21 0.140 / 0.160 G09 172.6 13.7 4.1 +/- 1.42 10.5 +/- 1.42 0.110 / 0.160 G11 99.2 44.8 7.2 +/- 1.14 9.7 +/- 1.14 0.050 / 0.080 G13 311.7 27.6 3.5 +/- 2.00 6.5 +/- 2.00 0.070 / 0.060 G17 203.1 34.4 7.1 +/- 0.88 11.4 +/- 0.88 0.090 / 0.090 G19 206.8 11.8 0.7 +/- 9.67 1.8 +/- 9.67 0.070 / 0.070 G28 295.2 55.4 4.7 +/- 1.27 5.6 +/- 1.27 0.330 / 0.390 G30 353.5 73.7 4.9 +/- 0.49 5.1 +/- 0.49 0.220 / 0.300