PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/26-00:28:10
G05     49.6           17.0                6.8 +/-    0.96      16.0 +/-    0.96  0.130 / 0.290
G10     238.4          13.9               13.6 +/-    2.66      34.7 +/-    2.66  0.160 / 0.360
G13     72.9           37.1               10.7 +/-    0.33      16.3 +/-    0.33  0.070 / 0.160
G15     123.4          53.9               14.5 +/-    0.64      17.5 +/-    0.64  0.070 / 0.160
G16     312.4          12.6                7.8 +/-    2.54      20.5 +/-    2.54  0.080 / 0.070
G18     248.2          43.3               13.4 +/-    0.84      18.5 +/-    0.84  0.080 / 0.070
G20     32.5           61.8               10.6 +/-    0.75      11.8 +/-    0.75  0.030 / 0.060
G21     315.7          49.1                9.3 +/-    1.27      11.9 +/-    1.27  0.030 / 0.050
G26     285.5          19.7                9.1 +/-    1.64      20.2 +/-    1.64  0.100 / 0.230
G29     157.6          66.4               12.6 +/-    1.19      13.7 +/-    1.19  0.120 / 0.260