PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/11-03:27:40
G05     47.8           18.6                7.5 +/-    1.75      17.0 +/-    1.75  0.170 / 0.310
G10     233.9          10.9              -10.7 +/-   41.52     -29.3 +/-   41.52  0.190 / 0.300
G13     79.4           35.7               10.9 +/-    1.14      17.0 +/-    1.14  0.050 / 0.080
G15     127.2          50.4               14.3 +/-    1.16      17.9 +/-    1.16  0.060 / 0.070
G20     245.3          34.5               16.7 +/-    1.79      26.7 +/-    1.79  0.170 / 0.270
G21     311.2          45.5               13.7 +/-    1.03      18.3 +/-    1.03  0.330 / 0.300
G25     200.8          13.8               18.0 +/-    2.54      46.0 +/-    2.54  0.060 / 0.110
G26     293.2          19.5               13.0 +/-    1.27      28.8 +/-    1.27  0.060 / 0.100
G29     147.1          72.7               14.4 +/-    0.72      15.1 +/-    0.72  0.110 / 0.140