PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/14-03:58:10 G01 75.0 32.0 6.2 +/- 0.71 10.3 +/- 0.71 0.030 / 0.030 G07 133.3 36.7 8.0 +/- 0.27 12.3 +/- 0.27 0.030 / 0.030 G11 60.6 38.7 4.6 +/- 0.73 6.9 +/- 0.73 0.050 / 0.110 G13 280.4 39.2 4.1 +/- 1.18 6.0 +/- 1.18 0.060 / 0.110 G15 304.7 15.5 1.2 +/- 5.10 2.8 +/- 5.10 0.050 / 0.090 G17 222.6 64.8 8.4 +/- 0.74 9.2 +/- 0.74 0.040 / 0.090 G19 218.9 39.1 7.5 +/- 1.90 11.0 +/- 1.90 0.040 / 0.080 G28 349.7 61.5 4.3 +/- 0.78 4.8 +/- 0.78 0.050 / 0.080 G30 127.5 72.0 7.6 +/- 0.82 7.9 +/- 0.82 0.040 / 0.060