PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-14:13:10
G05     46.6           24.0                5.1 +/-    2.15      10.2 +/-    2.15  0.070 / 0.170
G13     81.2           35.2                8.4 +/-    0.91      13.3 +/-    0.91  0.050 / 0.090
G15     127.4          49.5                8.2 +/-    0.80      10.3 +/-    0.80  0.130 / 0.280
G16     317.6          10.9               -4.4 +/-   11.61     -12.1 +/-   11.61  0.240 / 0.330
G20     244.7          35.7                8.0 +/-    1.92      12.5 +/-    1.92  0.020 / 0.020
G21     309.2          43.7                5.9 +/-    0.83       8.1 +/-    0.83  0.020 / 0.020
G25     202.1          15.7                5.5 +/-    2.53      13.5 +/-    2.53  0.090 / 0.080
G26     293.1          20.1                5.0 +/-    2.07      11.0 +/-    2.07  0.080 / 0.080
G29     145.5          79.7                8.0 +/-    0.40       8.2 +/-    0.40  0.050 / 0.110