PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/02-02:42:40 G07 26.2 69.3 4.4 +/- 0.49 4.7 +/- 0.49 0.040 / 0.060 G08 58.0 45.0 3.4 +/- 0.96 4.6 +/- 0.96 0.040 / 0.060 G09 175.1 41.8 7.9 +/- 1.03 11.1 +/- 1.03 0.040 / 0.080 G11 131.0 30.5 6.5 +/- 1.02 11.3 +/- 1.02 0.040 / 0.080 G23 160.7 16.6 6.1 +/- 2.22 14.6 +/- 2.22 0.080 / 0.160 G27 39.1 14.2 2.2 +/- 2.15 5.6 +/- 2.15 0.090 / 0.170 G28 257.2 40.1 6.4 +/- 1.41 9.2 +/- 1.41 0.070 / 0.110 G30 319.8 50.3 4.8 +/- 0.74 6.0 +/- 0.74 0.080 / 0.110