PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/14-04:58:00 G07 34.9 69.2 4.4 +/- 0.62 4.6 +/- 0.62 0.040 / 0.040 G08 55.3 42.7 3.7 +/- 0.52 5.1 +/- 0.52 0.040 / 0.050 G09 175.9 40.8 7.2 +/- 1.04 10.4 +/- 1.04 0.030 / 0.040 G11 123.9 31.3 4.7 +/- 1.34 8.1 +/- 1.34 0.030 / 0.030 G17 198.3 9.9 -8.7 +/- 9.06 -24.3 +/- 9.06 0.100 / 0.250 G18 107.9 12.9 4.7 +/- 2.01 12.3 +/- 2.01 0.090 / 0.200 G23 161.3 16.5 4.3 +/- 2.46 10.3 +/- 2.46 0.140 / 0.410 G27 39.4 15.0 2.0 +/- 2.43 4.9 +/- 2.43 0.180 / 0.310 G28 263.8 47.3 4.8 +/- 0.64 6.3 +/- 0.64 0.070 / 0.150 G30 323.2 53.1 5.0 +/- 0.94 6.1 +/- 0.94 0.080 / 0.180