PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/05/05-20:42:50 G01 60.5 30.7 19.8 +/- 3.16 34.2 +/- 3.16 0.060 / 0.080 G06 179.8 15.2 6.6 +/- 66.35 16.3 +/- 66.35 0.060 / 0.090 G07 142.2 23.0 26.4 +/- 2.28 53.9 +/- 2.28 0.050 / 0.060 G11 48.9 25.0 16.3 +/- 2.47 31.9 +/- 2.47 0.050 / 0.080 G13 263.2 35.3 24.7 +/- 2.40 39.0 +/- 2.40 0.110 / 0.370 G15 294.4 16.3 17.7 +/- 6.73 42.7 +/- 6.73 0.090 / 0.320 G17 251.3 72.5 24.3 +/- 2.44 25.4 +/- 2.44 0.040 / 0.060 G19 232.2 49.2 25.8 +/- 3.55 32.9 +/- 3.55 0.040 / 0.060 G28 35.7 56.6 22.5 +/- 21.78 26.4 +/- 21.78 0.060 / 0.180 G30 143.2 51.4 25.5 +/- 3.09 31.6 +/- 3.09 0.070 / 0.180