PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/11-01:42:30
G02     58.3           33.2               10.9 +/-    0.66      18.0 +/-    0.66  0.050 / 0.080
G05     59.6           61.4               15.2 +/-    0.89      17.0 +/-    0.89  0.070 / 0.080
G12     186.6          36.9               16.5 +/-    2.03      25.3 +/-    2.03  0.150 / 0.400
G13     128.6          13.7               16.0 +/-    3.11      41.1 +/-    3.11  0.140 / 0.330
G15     163.8          11.5               19.1 +/-   15.59      51.4 +/-   15.59  0.050 / 0.050
G21     270.4          16.9               17.4 +/-    2.09      41.3 +/-    2.09  0.040 / 0.070
G25     238.9          53.3               16.3 +/-    1.57      19.8 +/-    1.57  0.220 / 0.350
G29     330.4          55.9               16.5 +/-    1.22      19.4 +/-    1.22  0.160 / 0.560