PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/04-19:27:50
G03     185.3          10.8               18.7 +/-    3.59      51.3 +/-    3.59  0.060 / 0.070
G07     304.7          47.0               10.4 +/-    2.55      13.7 +/-    2.55  0.070 / 0.060
G08     131.0          36.8               13.3 +/-    0.95      20.4 +/-    0.95  0.040 / 0.020
G09     315.0          72.9               10.0 +/-    0.51      10.4 +/-    0.51  0.040 / 0.020
G16     42.0           34.0                8.4 +/-    0.93      13.6 +/-    0.93  0.110 / 0.110
G23     138.3          71.2               10.6 +/-    0.66      11.1 +/-    0.66  0.130 / 0.120
G27     89.7           37.2               10.7 +/-    1.25      16.3 +/-    1.25  0.070 / 0.070
G30     281.6          18.9               12.2 +/-    1.14      27.7 +/-    1.14  0.050 / 0.080