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                6.5 +/-    1.14      14.9 +/-    1.14  0.120 / 0.200
G10     233.9          10.9                4.7 +/-   58.09      12.7 +/-   58.09  0.180 / 0.280
G13     79.4           35.7               11.4 +/-    1.89      17.8 +/-    1.89  0.070 / 0.100
G15     127.2          50.4               15.0 +/-    1.26      18.9 +/-    1.26  0.050 / 0.080
G20     245.3          34.5               18.7 +/-    1.25      30.0 +/-    1.25  0.120 / 0.330
G21     311.2          45.5               14.2 +/-    1.83      19.0 +/-    1.83  0.160 / 0.480
G25     200.8          13.8               18.1 +/-    1.59      46.4 +/-    1.59  0.060 / 0.130
G26     293.2          19.5               16.8 +/-    1.73      37.4 +/-    1.73  0.060 / 0.170
G29     147.1          72.7               15.3 +/-    0.72      15.9 +/-    0.72  0.040 / 0.070