PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/12-06:58:10 G01 83.3 32.9 4.7 +/- 0.63 7.8 +/- 0.63 0.030 / 0.020 G07 130.5 38.8 7.5 +/- 0.31 11.2 +/- 0.31 0.030 / 0.030 G11 60.9 36.0 3.3 +/- 0.61 5.2 +/- 0.61 0.040 / 0.070 G13 287.3 37.8 3.7 +/- 1.05 5.6 +/- 1.05 0.040 / 0.090 G15 313.2 10.6 -6.3 +/- 16.46 -17.4 +/- 16.46 0.100 / 0.120 G17 218.8 62.1 7.7 +/- 0.90 8.6 +/- 0.90 0.080 / 0.110 G18 55.8 21.0 2.4 +/- 0.81 5.3 +/- 0.81 0.080 / 0.330 G19 217.4 29.5 7.2 +/- 2.38 12.8 +/- 2.38 0.110 / 0.270 G28 356.8 61.5 5.0 +/- 0.59 5.6 +/- 0.59 0.120 / 0.090 G30 118.7 73.3 6.4 +/- 0.86 6.6 +/- 0.86 0.100 / 0.110