PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/05-06:43:00 G02 200.2 27.5 6.1 +/- 2.22 11.3 +/- 2.22 0.140 / 0.270 G06 166.6 59.5 6.1 +/- 0.71 7.0 +/- 0.71 0.150 / 0.290 G12 302.4 10.9 -5.3 +/- 15.04 -14.4 +/- 15.04 0.170 / 0.270 G17 28.1 55.4 4.4 +/- 1.03 5.3 +/- 1.03 0.140 / 0.190 G19 345.2 69.5 3.4 +/- 0.37 3.6 +/- 0.37 0.050 / 0.070 G24 306.9 31.7 3.1 +/- 2.21 5.3 +/- 2.21 0.050 / 0.080 G28 87.3 44.2 6.7 +/- 1.16 9.1 +/- 1.16 0.040 / 0.040 G30 158.9 13.3 4.2 +/- 2.53 10.8 +/- 2.53 0.070 / 0.040