PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/31-20:58:00
G01     315.5          26.2                7.0 +/-    1.48      13.4 +/-    1.48  0.130 / 0.230
G10     91.3           46.8               11.1 +/-    0.70      14.6 +/-    0.70  0.100 / 0.310
G14     307.3          70.0                9.8 +/-    0.69      10.4 +/-    0.69  0.040 / 0.050
G20     112.3          21.5                9.3 +/-    0.91      19.8 +/-    0.91  0.040 / 0.040
G22     304.4          14.1                7.1 +/-    1.10      18.0 +/-    1.10  0.030 / 0.040
G25     95.5           11.2               10.4 +/-    1.76      28.2 +/-    1.76  0.040 / 0.050
G31     172.9          50.6               11.6 +/-    0.70      14.5 +/-    0.70  0.130 / 0.230
G32     22.0           61.3                8.8 +/-    0.62       9.9 +/-    0.62  0.170 / 0.270