PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/03-04:42:40 G01 75.7 32.1 6.3 +/- 0.90 10.5 +/- 0.90 0.030 / 0.030 G07 133.0 36.9 7.5 +/- 0.61 11.4 +/- 0.61 0.030 / 0.040 G11 60.7 38.6 4.8 +/- 1.19 7.2 +/- 1.19 0.140 / 0.450 G13 281.0 39.1 5.6 +/- 1.22 8.3 +/- 1.22 0.100 / 0.440 G15 305.4 15.2 2.2 +/- 2.63 5.5 +/- 2.63 0.040 / 0.090 G17 222.1 64.0 10.2 +/- 1.00 11.2 +/- 1.00 0.040 / 0.090 G19 218.6 38.6 8.8 +/- 2.16 13.1 +/- 2.16 0.050 / 0.060 G28 349.3 61.5 5.4 +/- 0.71 6.1 +/- 0.71 0.040 / 0.080 G30 126.6 72.2 9.1 +/- 0.63 9.5 +/- 0.63 0.090 / 0.100