PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/11-03:43:00
G02     57.5           33.7                4.2 +/-    1.82       6.8 +/-    1.82  0.080 / 0.060
G05     61.7           62.5                6.1 +/-    0.75       6.8 +/-    0.75  0.100 / 0.080
G12     187.1          38.4                8.3 +/-    1.73      12.4 +/-    1.73  0.350 / 0.360
G13     129.7          12.9                8.2 +/-    3.40      21.3 +/-    3.40  0.170 / 0.260
G15     164.5          10.5               -4.4 +/-   16.58     -12.1 +/-   16.58  0.060 / 0.060
G21     269.8          17.1                8.3 +/-    4.95      19.5 +/-    4.95  0.060 / 0.070
G25     239.5          54.0                7.6 +/-    4.05       9.2 +/-    4.05  0.240 / 0.390
G29     330.9          56.1                6.7 +/-    0.48       7.8 +/-    0.48  0.180 / 0.320