PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/26-02:58:00 G07 14.6 68.2 4.3 +/- 0.75 4.6 +/- 0.75 0.060 / 0.060 G08 63.5 47.7 3.5 +/- 0.76 4.5 +/- 0.76 0.050 / 0.050 G09 175.6 46.8 7.4 +/- 1.31 9.7 +/- 1.31 0.040 / 0.070 G11 134.3 27.5 7.2 +/- 0.64 13.4 +/- 0.64 0.040 / 0.050 G23 160.3 20.8 7.1 +/- 1.47 15.3 +/- 1.47 0.070 / 0.180 G27 40.7 17.6 3.0 +/- 1.31 7.1 +/- 1.31 0.070 / 0.200 G28 252.6 37.3 6.2 +/- 0.80 9.5 +/- 0.80 0.060 / 0.120 G30 316.3 47.1 4.0 +/- 0.65 5.3 +/- 0.65 0.080 / 0.130