PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/28-02:43:00 G01 241.9 30.3 6.0 +/- 1.99 10.5 +/- 1.99 0.110 / 0.110 G03 313.3 50.7 3.4 +/- 0.62 4.2 +/- 0.62 0.130 / 0.130 G14 68.5 36.1 3.9 +/- 1.47 6.0 +/- 1.47 0.030 / 0.030 G16 157.4 27.1 4.9 +/- 1.76 9.1 +/- 1.76 0.040 / 0.030 G18 213.6 20.2 6.6 +/- 1.62 14.4 +/- 1.62 0.070 / 0.080 G22 288.5 72.0 3.3 +/- 0.39 3.5 +/- 0.39 0.060 / 0.090 G23 292.7 23.8 4.9 +/- 0.93 10.0 +/- 0.93 0.080 / 0.140 G26 126.4 45.0 5.7 +/- 1.02 7.7 +/- 1.02 0.070 / 0.150 G31 40.7 49.5 2.3 +/- 0.61 2.9 +/- 0.61 0.070 / 0.160 G32 84.8 16.8 3.9 +/- 1.70 9.2 +/- 1.70 0.070 / 0.170