PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/07/26-04:43:00 G01 288.4 41.8 2.5 +/- 2.24 3.6 +/- 2.24 0.060 / 0.070 G03 312.4 18.3 5.0 +/- 2.94 11.5 +/- 2.94 0.070 / 0.070 G10 120.3 26.3 5.6 +/- 1.07 10.5 +/- 1.07 0.050 / 0.080 G11 264.5 24.8 7.9 +/- 3.67 15.5 +/- 3.67 0.080 / 0.070 G14 24.0 58.9 5.6 +/- 1.44 6.4 +/- 1.44 0.070 / 0.040 G18 249.8 47.2 7.2 +/- 9.94 9.4 +/- 9.94 0.070 / 0.060 G22 314.2 38.9 4.8 +/- 0.94 7.1 +/- 0.94 0.120 / 0.110 G25 67.0 18.7 3.0 +/- 1.14 6.7 +/- 1.14 0.040 / 0.090 G31 114.6 78.7 6.1 +/- 0.48 6.2 +/- 0.48 0.040 / 0.050 G32 50.8 42.4 3.2 +/- 1.24 4.5 +/- 1.24 0.040 / 0.050