PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-18:12:50
G10     270.9          41.8               11.2 +/-    1.38      15.8 +/-    1.38  0.240 / 0.230
G13     40.2           14.8                7.0 +/-    4.40      17.5 +/-    4.40  0.290 / 0.220
G15     55.4           45.3                8.6 +/-    1.41      11.6 +/-    1.41  0.340 / 0.640
G16     275.5          11.7               10.6 +/-   12.67      28.6 +/-   12.67  0.420 / 0.580
G20     307.3          62.5                9.8 +/-    0.81      10.9 +/-    0.81  0.150 / 0.310
G21     9.9            73.1               10.5 +/-    0.49      10.9 +/-    0.49  0.110 / 0.230
G24     119.9          15.8               10.3 +/-    3.33      25.2 +/-    3.33  0.040 / 0.040
G27     317.5          21.0                8.7 +/-    2.88      18.7 +/-    2.88  0.050 / 0.040
G29     167.7          29.1               11.3 +/-    1.14      20.1 +/-    1.14  0.070 / 0.110
G32     204.1          12.5               11.6 +/-    4.89      30.7 +/-    4.89  0.060 / 0.120