PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/06-18:28:10
G10     262.8          34.9                9.5 +/-    1.34      15.1 +/-    1.34  0.140 / 0.200
G13     44.6           22.5                6.3 +/-    1.61      13.1 +/-    1.61  0.110 / 0.140
G15     63.0           50.7                8.5 +/-    0.64      10.7 +/-    0.64  0.120 / 0.270
G16     288.8          11.9               10.7 +/-    3.12      28.6 +/-    3.12  0.040 / 0.050
G18     294.6          63.7                8.8 +/-    0.42       9.6 +/-    0.42  0.040 / 0.050
G20     51.1           38.9                7.5 +/-    0.56      11.0 +/-    0.56  0.040 / 0.080
G21     3.5            71.1               10.1 +/-    0.48      10.6 +/-    0.48  0.040 / 0.080
G24     124.7          11.6              -14.6 +/-   29.05     -39.2 +/-   29.05  0.240 / 0.480
G27     319.5          17.1                7.1 +/-    1.61      16.7 +/-    1.61  0.230 / 0.400
G29     164.8          29.4               10.2 +/-    0.70      18.1 +/-    0.70  0.080 / 0.230