PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/29-01:13:00
G10     258.6          31.9               11.3 +/-    2.36      19.0 +/-    2.36  0.070 / 0.100
G13     47.2           25.6                8.9 +/-    1.00      17.1 +/-    1.00  0.070 / 0.090
G15     73.1           55.9                8.8 +/-    0.70      10.4 +/-    0.70  0.040 / 0.050
G16     288.3          13.6                7.9 +/-    1.77      20.4 +/-    1.77  0.040 / 0.050
G18     282.3          59.9                9.7 +/-    0.97      11.0 +/-    0.97  0.030 / 0.090
G20     49.8           39.7                8.0 +/-    0.99      11.7 +/-    0.99  0.040 / 0.080
G21     345.9          66.5                7.9 +/-    0.92       8.5 +/-    0.92  0.180 / 0.410
G26     261.1          11.7                9.4 +/-    2.84      25.3 +/-    2.84  0.200 / 0.510
G27     320.9          13.9                6.8 +/-    2.68      17.4 +/-    2.68  0.140 / 0.170
G29     166.2          37.8               10.9 +/-    0.88      16.5 +/-    0.88  0.130 / 0.210