PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/12/24-02:43:00 G01 122.6 15.0 7.7 +/- 1.12 19.1 +/- 1.12 0.030 / 0.040 G07 74.5 66.5 5.3 +/- 0.76 5.7 +/- 0.76 0.040 / 0.050 G08 45.9 32.6 2.7 +/- 0.39 4.5 +/- 0.39 0.100 / 0.350 G09 176.1 28.9 6.5 +/- 2.40 11.6 +/- 2.40 0.130 / 0.300 G11 109.7 38.5 5.8 +/- 0.57 8.7 +/- 0.57 0.060 / 0.070 G13 319.2 16.5 1.2 +/- 3.13 2.8 +/- 3.13 0.050 / 0.060 G17 199.6 22.7 5.2 +/- 1.21 10.7 +/- 1.21 0.090 / 0.240 G18 94.7 18.9 6.3 +/- 1.11 14.2 +/- 1.11 0.090 / 0.200 G28 282.0 54.0 5.9 +/- 0.96 7.0 +/- 0.96 0.030 / 0.040 G30 337.6 64.2 3.0 +/- 0.52 3.3 +/- 0.52 0.040 / 0.040