PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-19:42:30
G01     314.7          27.4                8.6 +/-    1.33      15.9 +/-    1.33  0.110 / 0.200
G10     92.9           45.9               11.2 +/-    0.61      14.9 +/-    0.61  0.170 / 0.360
G11     297.8          23.8                8.8 +/-    1.27      17.7 +/-    1.27  0.050 / 0.050
G14     308.7          69.8               10.3 +/-    0.93      10.9 +/-    0.93  0.050 / 0.040
G20     113.4          20.2               11.6 +/-    1.20      25.5 +/-    1.20  0.200 / 0.210
G22     305.1          15.3                8.3 +/-    1.14      20.6 +/-    1.14  0.120 / 0.250
G25     94.0           11.8               13.1 +/-    1.66      35.3 +/-    1.66  0.040 / 0.040
G31     173.0          51.5               11.2 +/-    0.48      13.9 +/-    0.48  0.050 / 0.050
G32     24.1           60.2                9.9 +/-    1.10      11.2 +/-    1.10  0.040 / 0.040