PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/16-14:28:10 G01 42.8 18.6 5.3 +/- 4.16 12.1 +/- 4.16 0.050 / 0.090 G06 173.6 37.7 8.6 +/- 1.19 13.0 +/- 1.19 0.080 / 0.070 G13 240.0 24.1 8.7 +/- 2.62 17.4 +/- 2.62 0.140 / 0.210 G15 277.2 12.6 6.8 +/- 1.28 17.9 +/- 1.28 0.120 / 0.190 G17 358.9 72.0 6.7 +/- 0.57 7.0 +/- 0.57 0.180 / 0.210 G19 263.3 64.2 6.4 +/- 0.96 7.0 +/- 0.96 0.130 / 0.460 G24 316.9 18.3 3.8 +/- 2.76 8.7 +/- 2.76 0.080 / 0.250 G28 67.2 48.5 6.7 +/- 1.08 8.6 +/- 1.08 0.120 / 0.240 G30 154.3 32.2 8.2 +/- 1.58 13.7 +/- 1.58 0.090 / 0.070