PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/26-04:12:40 G07 337.7 59.5 3.5 +/- 0.68 4.0 +/- 0.68 0.080 / 0.110 G08 93.8 52.0 6.7 +/- 0.86 8.3 +/- 0.86 0.080 / 0.160 G09 188.7 71.4 5.4 +/- 0.94 5.6 +/- 0.94 0.030 / 0.040 G11 144.1 14.2 5.9 +/- 1.43 15.1 +/- 1.43 0.040 / 0.040 G16 47.1 10.0 2.7 +/- 3.93 7.4 +/- 3.93 0.040 / 0.040 G23 156.6 40.5 6.1 +/- 0.69 8.8 +/- 0.69 0.040 / 0.040 G27 52.2 29.6 4.8 +/- 1.18 8.4 +/- 1.18 0.080 / 0.640 G28 239.6 32.1 4.8 +/- 2.30 8.0 +/- 2.30 0.090 / 0.500 G30 304.3 37.3 3.9 +/- 1.22 6.0 +/- 1.22 0.030 / 0.030