PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/28-23:57:40
G03     227.7          65.1                5.3 +/-    1.60       5.8 +/-    1.60  0.110 / 0.640
G07     251.7          12.1                6.3 +/-    3.17      16.7 +/-    3.17  0.130 / 0.450
G09     307.3          24.9                5.5 +/-    1.20      10.9 +/-    1.20  0.040 / 0.070
G14     103.8          10.6                6.1 +/-    2.94      16.8 +/-    2.94  0.040 / 0.050
G16     116.4          61.9                7.2 +/-    0.77       8.0 +/-    0.77  0.040 / 0.040
G22     193.4          50.5                7.4 +/-    0.98       9.3 +/-    0.98  0.040 / 0.040
G23     321.5          51.4                5.8 +/-    1.06       7.2 +/-    1.06  0.040 / 0.040
G26     63.5           50.1                3.8 +/-    0.57       4.8 +/-    0.57  0.030 / 0.040
G31     54.2           18.1                3.2 +/-    0.52       7.4 +/-    0.52  0.090 / 0.370