PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/05-02:42:50 G07 42.6 69.9 5.0 +/- 0.74 5.3 +/- 0.74 0.040 / 0.040 G08 52.5 41.0 2.5 +/- 1.19 3.5 +/- 1.19 0.040 / 0.040 G09 174.7 35.7 5.2 +/- 1.07 8.1 +/- 1.07 0.040 / 0.050 G11 126.1 34.2 5.8 +/- 0.86 9.4 +/- 0.86 0.070 / 0.070 G13 321.3 10.4 -8.5 +/- 2.76 -23.6 +/- 2.76 0.070 / 0.080 G17 198.7 12.1 2.2 +/- 14.45 5.8 +/- 14.45 0.080 / 0.130 G23 160.9 11.4 5.1 +/- 6.94 13.7 +/- 6.94 0.130 / 0.450 G27 37.5 9.7 2.5 +/- 3.89 6.9 +/- 3.89 0.100 / 0.390 G28 263.5 43.7 5.3 +/- 2.69 7.3 +/- 2.69 0.070 / 0.120 G30 324.6 54.8 3.9 +/- 0.50 4.7 +/- 0.50 0.060 / 0.110