PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/06-20:57:40
G03     188.9          17.9               11.3 +/-    1.73      26.1 +/-    1.73  0.070 / 0.060
G07     295.6          42.2               11.9 +/-    3.49      16.7 +/-    3.49  0.050 / 0.070
G08     137.0          31.0               13.3 +/-    1.06      22.8 +/-    1.06  0.080 / 0.270
G09     320.1          66.0               10.0 +/-    0.86      10.8 +/-    0.86  0.090 / 0.180
G16     42.9           39.6                9.4 +/-    0.97      13.8 +/-    0.97  0.220 / 0.080
G23     121.6          79.1                9.2 +/-    1.07       9.3 +/-    1.07  0.190 / 0.090
G26     44.2           13.9                7.9 +/-    2.57      20.2 +/-    2.57  0.050 / 0.070
G27     99.7           34.9               12.2 +/-    0.54      19.5 +/-    0.54  0.040 / 0.090
G30     275.6          13.8                9.0 +/-    2.16      23.1 +/-    2.16  0.030 / 0.030