PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/03/05-00:27:40 G01 75.8 33.3 9.2 +/- 1.57 15.2 +/- 1.57 0.040 / 0.040 G07 134.9 35.1 10.5 +/- 1.49 16.7 +/- 1.49 0.030 / 0.050 G11 59.1 35.8 8.6 +/- 1.27 13.4 +/- 1.27 0.080 / 0.090 G13 280.6 37.5 9.7 +/- 1.40 14.8 +/- 1.40 0.080 / 0.080 G15 305.5 14.8 5.4 +/- 1.76 13.5 +/- 1.76 0.040 / 0.030 G17 226.7 62.8 10.2 +/- 1.05 11.4 +/- 1.05 0.040 / 0.040 G19 221.3 38.3 9.6 +/- 1.90 14.4 +/- 1.90 0.050 / 0.070 G28 13.3 60.0 8.7 +/- 0.70 9.9 +/- 0.70 0.070 / 0.080 G30 130.7 61.9 10.1 +/- 0.40 11.3 +/- 0.40 0.060 / 0.080