PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/08-05:43:00 G01 256.4 37.6 5.2 +/- 1.31 7.9 +/- 1.31 0.040 / 0.040 G03 316.5 38.1 3.8 +/- 1.14 5.7 +/- 1.14 0.040 / 0.050 G11 240.1 14.4 6.5 +/- 1.69 16.4 +/- 1.69 0.040 / 0.080 G14 54.3 44.7 2.5 +/- 0.38 3.4 +/- 0.38 0.040 / 0.080 G18 224.0 30.9 4.9 +/- 1.07 8.4 +/- 1.07 0.170 / 0.260 G22 309.1 61.7 4.2 +/- 1.25 4.7 +/- 1.25 0.160 / 0.300 G25 42.6 12.0 1.4 +/- 1.47 3.8 +/- 1.47 0.180 / 0.260 G26 137.5 35.2 5.7 +/- 1.64 9.1 +/- 1.64 0.140 / 0.260 G31 42.8 60.5 4.1 +/- 0.46 4.6 +/- 0.46 0.080 / 0.110 G32 74.5 24.0 3.9 +/- 0.66 7.8 +/- 0.66 0.070 / 0.100