PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/07-15:13:10
G10     258.7          33.4                7.3 +/-    1.77      11.9 +/-    1.77  0.100 / 0.290
G13     46.4           23.9                7.2 +/-    1.70      14.4 +/-    1.70  0.150 / 0.230
G15     71.7           55.3                9.3 +/-    0.69      11.0 +/-    0.69  0.150 / 0.000
G16     288.3          14.1                5.3 +/-    1.31      13.5 +/-    1.31  0.300 / 0.420
G20     283.3          56.3                8.3 +/-    2.41       9.8 +/-    2.41  0.050 / 0.040
G21     353.1          68.0                7.6 +/-    0.42       8.1 +/-    0.42  0.050 / 0.030
G24     122.7          10.1               -8.0 +/-   38.05     -22.2 +/-   38.05  0.060 / 0.080
G26     262.2          11.7                5.5 +/-    3.36      14.8 +/-    3.36  0.050 / 0.070
G29     165.6          38.7               12.2 +/-    0.81      18.1 +/-    0.81  0.050 / 0.060