PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-14:13:00
G05     46.4           24.3                3.5 +/-    0.52       7.0 +/-    0.52  0.070 / 0.100
G10     232.5          10.0              -16.3 +/-   20.10     -45.4 +/-   20.10  0.050 / 0.120
G13     81.7           35.1                6.6 +/-    0.63      10.5 +/-    0.63  0.150 / 0.510
G15     128.0          49.2                7.9 +/-    0.73      10.0 +/-    0.73  0.110 / 0.510
G16     318.0          10.7               -4.0 +/-   12.46     -11.0 +/-   12.46  0.170 / 0.370
G20     244.3          35.4                7.8 +/-    1.30      12.3 +/-    1.30  0.070 / 0.090
G21     308.8          43.4                4.4 +/-    1.08       6.1 +/-    1.08  0.060 / 0.070
G25     202.3          16.0                6.0 +/-    1.65      14.6 +/-    1.65  0.020 / 0.030
G26     293.6          20.0                5.6 +/-    2.26      12.4 +/-    2.26  0.030 / 0.030
G29     144.5          80.2                5.3 +/-    0.93       5.4 +/-    0.93  0.120 / 0.180