PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-19:27:50
G07     329.5          57.3               13.4 +/-    0.52      15.6 +/-    0.52  0.040 / 0.040
G08     108.3          48.9               13.3 +/-    0.48      17.0 +/-    0.48  0.040 / 0.040
G09     217.0          81.1               14.6 +/-    0.52      14.8 +/-    0.52  0.260 / 0.600
G16     44.1           17.9                9.3 +/-    2.21      21.6 +/-    2.21  0.160 / 0.530
G23     153.1          50.8               14.7 +/-    0.39      18.4 +/-    0.39  0.030 / 0.030
G27     65.1           36.2               12.8 +/-    1.31      19.9 +/-    1.31  0.040 / 0.030
G28     231.0          20.0               15.6 +/-    4.14      34.3 +/-    4.14  0.060 / 0.060
G30     296.3          30.7               13.5 +/-    1.16      23.2 +/-    1.16  0.060 / 0.050