PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/23-22:42:30
G08     267.8          18.8               12.0 +/-    1.68      27.1 +/-    1.68  0.110 / 0.130
G10     56.9           59.7               12.3 +/-    0.66      14.0 +/-    0.66  0.040 / 0.130
G11     312.1          16.9               11.9 +/-    1.56      28.4 +/-    1.56  0.100 / 0.180
G14     265.2          66.2               13.3 +/-    1.44      14.4 +/-    1.44  0.130 / 0.190
G18     90.6           36.8               14.4 +/-    1.17      22.1 +/-    1.17  0.090 / 0.230
G24     40.9           12.5               10.3 +/-    1.41      27.2 +/-    1.41  0.110 / 0.240
G27     231.7          16.5               16.7 +/-    1.44      40.1 +/-    1.44  0.040 / 0.050
G31     181.6          25.2               17.8 +/-    2.16      34.7 +/-    2.16  0.050 / 0.070
G32     321.4          74.7               12.8 +/-    0.75      13.2 +/-    0.75  0.030 / 0.030