PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/26-04:42:50
G08     270.7          20.2                7.4 +/-    1.33      16.1 +/-    1.33  0.030 / 0.010
G10     49.1           61.0                4.1 +/-    1.02       4.7 +/-    1.02  0.030 / 0.020
G11     313.2          16.0                4.2 +/-    2.77      10.1 +/-    2.77  0.290 / 0.320
G14     258.2          64.5                7.2 +/-    0.74       7.9 +/-    0.74  0.250 / 0.380
G18     85.3           41.3                5.1 +/-    0.88       7.3 +/-    0.88  0.030 / 0.020
G21     153.2          20.6                5.4 +/-    2.54      11.7 +/-    2.54  0.030 / 0.020
G24     42.7           15.2                4.8 +/-    1.48      12.0 +/-    1.48  0.090 / 0.220
G27     234.4          19.0               10.7 +/-    3.07      24.1 +/-    3.07  0.150 / 0.250
G31     179.2          25.1                8.2 +/-    2.02      16.1 +/-    2.02  0.080 / 0.050
G32     314.6          75.7                1.7 +/-    0.59       1.7 +/-    0.59  0.080 / 0.040