PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/25-15:28:10
G10     270.9          41.9                8.7 +/-    1.56      12.2 +/-    1.56  0.100 / 0.210
G13     40.2           14.8                6.7 +/-    2.62      16.7 +/-    2.62  0.110 / 0.200
G15     54.4           43.7                7.5 +/-    0.46      10.3 +/-    0.46  0.190 / 0.630
G16     275.5          11.8                8.0 +/-    2.28      21.4 +/-    2.28  0.170 / 0.660
G20     309.2          63.1                8.6 +/-    0.92       9.5 +/-    0.92  0.060 / 0.060
G21     12.7           73.4                9.6 +/-    0.77       9.9 +/-    0.77  0.060 / 0.080
G24     119.9          15.8               11.3 +/-    1.42      27.5 +/-    1.42  0.050 / 0.090
G27     317.5          21.1                7.9 +/-    3.77      16.8 +/-    3.77  0.040 / 0.080
G29     167.7          29.4               10.5 +/-    1.02      18.6 +/-    1.02  0.050 / 0.050
G32     203.9          12.9               11.7 +/-    1.52      30.7 +/-    1.52  0.050 / 0.040