PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/02/01-03:43:00 G01 46.3 22.3 4.2 +/- 0.61 8.8 +/- 0.61 0.070 / 0.280 G06 178.9 28.0 9.5 +/- 1.95 17.4 +/- 1.95 0.070 / 0.260 G11 44.2 12.5 2.8 +/- 2.12 7.4 +/- 2.12 0.040 / 0.060 G13 246.3 27.4 7.1 +/- 1.74 13.2 +/- 1.74 0.040 / 0.060 G15 277.9 15.0 5.8 +/- 2.02 14.3 +/- 2.02 0.080 / 0.110 G17 334.2 76.5 7.1 +/- 0.88 7.3 +/- 0.88 0.090 / 0.130 G19 257.3 64.6 6.2 +/- 0.81 6.7 +/- 0.81 0.030 / 0.030 G24 318.8 11.5 -3.9 +/- 25.53 -10.7 +/- 25.53 0.020 / 0.040 G28 60.9 50.3 5.4 +/- 0.56 6.8 +/- 0.56 0.120 / 0.250 G30 150.8 32.4 10.6 +/- 1.32 17.6 +/- 1.32 0.090 / 0.220