PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/25-00:42:50
G01     279.5          41.4               11.3 +/-    1.39      16.1 +/-    1.39  0.070 / 0.080
G03     314.2          22.4                9.4 +/-    1.56      19.5 +/-    1.56  0.050 / 0.080
G10     125.7          22.9               10.7 +/-    0.49      22.1 +/-    0.49  0.040 / 0.070
G11     255.6          23.7               14.0 +/-    1.41      28.2 +/-    1.41  0.030 / 0.080
G14     37.1           53.0                9.3 +/-    0.67      11.3 +/-    0.67  0.070 / 0.110
G22     314.4          44.8               10.0 +/-    0.85      13.5 +/-    0.85  0.060 / 0.130
G25     56.9           17.5                8.2 +/-    0.43      19.1 +/-    0.43  0.020 / 0.030
G26     155.8          17.6               15.4 +/-    1.37      36.0 +/-    1.37  0.030 / 0.030
G31     101.6          82.2               10.4 +/-    0.74      10.5 +/-    0.74  0.040 / 0.060
G32     56.8           38.8                8.1 +/-    0.45      12.1 +/-    0.45  0.040 / 0.060