PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/02-05:28:00 G01 54.8 27.6 2.4 +/- 1.05 4.4 +/- 1.05 0.040 / 0.040 G06 178.4 17.9 5.9 +/- 0.81 13.7 +/- 0.81 0.040 / 0.050 G07 143.2 19.5 7.9 +/- 0.83 17.6 +/- 0.83 0.090 / 0.200 G11 47.9 25.0 3.7 +/- 1.70 7.2 +/- 1.70 0.080 / 0.200 G13 256.9 35.0 6.9 +/- 0.98 10.9 +/- 0.98 0.040 / 0.060 G15 287.9 17.2 5.3 +/- 1.81 12.5 +/- 1.81 0.040 / 0.060 G17 273.8 79.0 5.8 +/- 0.63 5.9 +/- 0.63 0.040 / 0.050 G19 235.7 56.1 7.1 +/- 0.78 8.3 +/- 0.78 0.040 / 0.060 G28 25.9 59.8 3.8 +/- 0.60 4.3 +/- 0.60 0.070 / 0.190 G30 147.1 53.1 6.9 +/- 0.95 8.4 +/- 0.95 0.070 / 0.190