PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/25-22:13:10
G01     317.6          21.5                8.0 +/-    3.90      16.9 +/-    3.90  0.140 / 0.370
G08     251.9          11.0               12.3 +/-    2.24      33.7 +/-    2.24  0.170 / 0.370
G10     86.3           50.3               10.2 +/-    0.63      12.9 +/-    0.63  0.120 / 0.290
G11     298.1          25.5               11.1 +/-    1.96      21.5 +/-    1.96  0.100 / 0.230
G14     310.5          71.2               10.7 +/-    0.70      11.3 +/-    0.70  0.060 / 0.060
G18     298.8          44.8               11.0 +/-    1.72      14.9 +/-    1.72  0.050 / 0.050
G20     108.9          26.0               12.6 +/-    1.02      24.2 +/-    1.02  0.140 / 0.550
G22     302.7          12.6               10.3 +/-    2.70      27.2 +/-    2.70  0.130 / 0.580
G31     175.8          45.9               13.1 +/-    2.13      17.4 +/-    2.13  0.080 / 0.230
G32     15.9           64.2                9.0 +/-    0.69       9.9 +/-    0.69  0.080 / 0.200