PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/04/26-10:43:00 G01 296.3 39.4 23.5 +/- 7.70 34.5 +/- 7.70 0.050 / 0.060 G03 311.1 17.8 3.2 +/- 1.58 7.4 +/- 1.58 0.060 / 0.080 G10 115.7 31.2 6.3 +/- 0.94 10.8 +/- 0.94 0.090 / 0.090 G11 269.2 26.7 7.2 +/- 1.95 13.5 +/- 1.95 0.080 / 0.070 G14 17.9 61.3 5.3 +/- 0.43 6.0 +/- 0.43 0.040 / 0.080 G18 256.9 49.6 5.9 +/- 3.15 7.5 +/- 3.15 0.050 / 0.080 G22 313.9 38.5 3.5 +/- 1.31 5.3 +/- 1.31 0.060 / 0.050 G25 71.4 18.0 3.6 +/- 1.65 8.2 +/- 1.65 0.050 / 0.050 G31 150.3 75.0 7.2 +/- 0.70 7.5 +/- 0.70 0.150 / 0.270 G32 42.1 49.2 4.1 +/- 1.14 5.3 +/- 1.14 0.130 / 0.200