PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/18-20:27:30
G01     298.9          39.4                8.3 +/-    6.43      12.2 +/-    6.43  0.080 / 0.100
G10     112.7          32.9               11.0 +/-    0.93      18.2 +/-    0.93  0.090 / 0.130
G11     277.8          25.8               10.0 +/-    2.18      19.1 +/-    2.18  0.050 / 0.050
G14     359.0          65.8                7.9 +/-    0.36       8.6 +/-    0.36  0.050 / 0.050
G22     312.0          29.9                7.1 +/-    0.88      12.5 +/-    0.88  0.090 / 0.170
G25     75.9           17.6                9.5 +/-    2.50      22.2 +/-    2.50  0.080 / 0.160
G31     155.9          71.9                9.8 +/-    0.73      10.2 +/-    0.73  0.030 / 0.030
G32     44.2           46.5                7.8 +/-    0.84      10.2 +/-    0.84  0.030 / 0.030