PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/26-19:58:00
G07     51.3           67.9               10.2 +/-    0.68      10.9 +/-    0.68  0.030 / 0.040
G08     54.1           42.3                8.4 +/-    0.71      11.8 +/-    0.71  0.030 / 0.040
G09     179.3          42.9               12.7 +/-    0.86      17.7 +/-    0.86  0.080 / 0.050
G11     122.1          32.9               11.7 +/-    1.16      19.4 +/-    1.16  0.080 / 0.060
G17     198.6          10.8               -2.6 +/-   26.30      -7.1 +/-   26.30  0.110 / 0.320
G18     105.8          14.0               11.3 +/-    2.79      28.8 +/-    2.79  0.090 / 0.140
G23     160.9          13.4               14.3 +/-    2.37      37.0 +/-    2.37  0.120 / 0.160
G27     38.7           13.2                6.8 +/-    2.11      17.7 +/-    2.11  0.120 / 0.160
G28     264.5          46.6               11.4 +/-    4.51      15.1 +/-    4.51  0.040 / 0.040
G30     327.8          57.0               10.3 +/-    0.52      12.0 +/-    0.52  0.030 / 0.040