PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/02-05:12:50 G01 61.8 30.2 2.6 +/- 0.76 4.6 +/- 0.76 0.040 / 0.060 G06 180.1 11.6 2.7 +/- 18.53 7.3 +/- 18.53 0.040 / 0.060 G07 140.1 25.9 9.1 +/- 0.66 17.4 +/- 0.66 0.090 / 0.170 G11 51.4 30.5 4.1 +/- 0.80 7.2 +/- 0.80 0.090 / 0.160 G13 265.3 37.6 7.9 +/- 0.95 11.9 +/- 0.95 0.040 / 0.070 G15 294.5 17.2 3.5 +/- 1.26 8.3 +/- 1.26 0.050 / 0.070 G17 245.2 74.8 6.6 +/- 0.60 6.8 +/- 0.60 0.040 / 0.070 G19 228.0 49.8 7.5 +/- 1.36 9.5 +/- 1.36 0.060 / 0.070 G28 12.9 60.9 3.3 +/- 0.59 3.7 +/- 0.59 0.070 / 0.110 G30 142.0 60.3 7.9 +/- 0.93 9.0 +/- 0.93 0.070 / 0.150