PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-11:12:40
G03     215.7          62.5                8.9 +/-    0.78       9.9 +/-    0.78  0.060 / 0.080
G07     254.2          16.5                6.9 +/-    3.82      16.5 +/-    3.82  0.050 / 0.060
G09     306.9          22.4                6.1 +/-    3.32      12.6 +/-    3.32  0.050 / 0.060
G14     105.1          9.5                 4.8 +/-    1.82      13.5 +/-    1.82  0.040 / 0.050
G16     114.4          62.7                7.7 +/-    0.99       8.6 +/-    0.99  0.090 / 0.220
G22     189.6          46.3                7.5 +/-    0.68       9.9 +/-    0.68  0.100 / 0.220
G23     327.3          56.9                6.6 +/-    0.94       7.7 +/-    0.94  0.170 / 0.410
G26     60.5           48.2                4.2 +/-    2.06       5.4 +/-    2.06  0.220 / 0.450
G31     56.4           13.5                3.1 +/-    2.18       8.0 +/-    2.18  0.040 / 0.050