PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/27-16:12:50
G10     302.9          54.3                7.2 +/-    1.30       8.7 +/-    1.30  0.090 / 0.080
G15     45.5           23.1                4.5 +/-    2.61       9.3 +/-    2.61  0.130 / 0.070
G20     5.4            64.6                7.2 +/-    0.59       7.9 +/-    0.59  0.040 / 0.040
G21     103.3          72.2                8.0 +/-    1.10       8.3 +/-    1.10  0.040 / 0.030
G24     97.1           27.6                7.8 +/-    1.10      14.4 +/-    1.10  0.080 / 0.030
G27     298.3          35.5                7.5 +/-    1.02      11.8 +/-    1.02  0.070 / 0.040
G32     210.6          35.6               10.2 +/-    0.84      16.0 +/-    0.84  0.150 / 0.220