PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/08-00:57:50
G01     308.2          32.3                8.6 +/-    1.37      14.3 +/-    1.37  0.090 / 0.160
G10     104.2          42.0               10.2 +/-    0.54      14.4 +/-    0.54  0.110 / 0.170
G11     282.3          29.1               10.0 +/-    1.38      17.9 +/-    1.38  0.030 / 0.040
G14     357.1          67.1                8.6 +/-    0.50       9.3 +/-    0.50  0.030 / 0.040
G18     116.3          15.3                8.4 +/-    1.38      20.8 +/-    1.38  0.070 / 0.100
G22     308.8          23.9                8.0 +/-    0.84      16.0 +/-    0.84  0.060 / 0.120
G25     81.4           15.9                7.9 +/-    1.55      19.3 +/-    1.55  0.040 / 0.040
G31     173.6          60.7               12.5 +/-    0.88      14.1 +/-    0.88  0.040 / 0.050
G32     30.3           56.2                6.1 +/-    0.53       7.2 +/-    0.53  0.040 / 0.040