PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/25-15:12:50
G10     262.9          37.4                9.5 +/-    0.80      14.5 +/-    0.80  0.110 / 0.370
G13     43.6           20.2                6.8 +/-    1.25      14.9 +/-    1.25  0.130 / 0.470
G15     61.5           49.2                8.5 +/-    0.45      10.8 +/-    0.45  0.140 / 0.340
G16     282.3          14.0                6.8 +/-    1.76      17.4 +/-    1.76  0.140 / 0.330
G20     294.4          60.3                9.5 +/-    0.37      10.7 +/-    0.37  0.060 / 0.100
G21     355.4          69.0                8.4 +/-    0.52       9.0 +/-    0.52  0.060 / 0.070
G24     125.7          11.5               10.0 +/-    3.58      27.1 +/-    3.58  0.040 / 0.080
G27     320.5          15.4                3.0 +/-    1.65       7.3 +/-    1.65  0.040 / 0.080
G29     166.8          37.1               10.9 +/-    1.70      16.7 +/-    1.70  0.070 / 0.050