PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-18:28:00
G08     293.9          23.1                8.9 +/-    1.21      18.1 +/-    1.21  0.060 / 0.090
G10     11.5           62.6                7.0 +/-    0.62       7.8 +/-    0.62  0.050 / 0.100
G14     228.4          41.4               12.1 +/-    1.27      17.1 +/-    1.27  0.060 / 0.120
G20     68.0           50.2                7.4 +/-    0.43       9.3 +/-    0.43  0.060 / 0.120
G21     146.7          40.6               10.2 +/-    0.97      14.7 +/-    0.97  0.030 / 0.030
G24     57.5           26.5                7.8 +/-    1.65      14.7 +/-    1.65  0.030 / 0.020
G27     254.5          32.3                9.6 +/-    1.31      16.0 +/-    1.31  0.050 / 0.080
G32     245.7          69.3                9.1 +/-    0.44       9.6 +/-    0.44  0.050 / 0.080