PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/05-18:27:50
G10     260.5          33.4               12.3 +/-    1.62      20.2 +/-    1.62  0.140 / 0.380
G13     45.9           24.2                9.5 +/-    1.44      18.8 +/-    1.44  0.160 / 0.430
G15     66.1           52.2               10.8 +/-    0.41      13.3 +/-    0.41  0.040 / 0.090
G16     290.9          12.3               11.9 +/-    1.56      31.5 +/-    1.56  0.040 / 0.070
G18     289.9          62.8               11.3 +/-    0.59      12.5 +/-    0.59  0.110 / 0.640
G20     49.6           40.7               10.0 +/-    0.50      14.4 +/-    0.50  0.100 / 0.560
G21     358.0          69.7               12.5 +/-    0.54      13.3 +/-    0.54  0.040 / 0.040
G26     262.1          10.7               10.5 +/-    2.17      28.7 +/-    2.17  0.040 / 0.040
G27     320.4          15.3                8.9 +/-    1.50      21.9 +/-    1.50  0.080 / 0.220
G29     164.4          31.7               14.2 +/-    1.06      24.0 +/-    1.06  0.070 / 0.200