PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/06-17:43:00 G01 87.3 32.4 12.0 +/- 0.84 20.0 +/- 0.84 0.130 / 0.410 G07 127.7 43.7 15.0 +/- 0.95 20.6 +/- 0.95 0.050 / 0.070 G11 66.3 39.0 11.3 +/- 0.62 16.6 +/- 0.62 0.050 / 0.070 G13 291.7 36.7 12.6 +/- 0.74 19.3 +/- 0.74 0.050 / 0.070 G15 314.5 10.3 -6.0 +/- 26.58 -16.7 +/- 26.58 0.040 / 0.070 G17 216.8 53.8 14.9 +/- 1.18 18.0 +/- 1.18 0.020 / 0.040 G18 61.5 23.4 10.7 +/- 1.76 21.6 +/- 1.76 0.030 / 0.040 G19 216.0 27.5 15.2 +/- 2.90 28.1 +/- 2.90 0.050 / 0.050 G28 354.1 61.6 12.3 +/- 1.27 13.8 +/- 1.27 0.060 / 0.050 G30 112.0 74.0 14.3 +/- 0.58 14.8 +/- 0.58 0.090 / 0.150