PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-17:43:00
G10     252.1          27.2                9.9 +/-    1.69      18.5 +/-    1.69  0.040 / 0.050
G13     52.9           30.1                9.1 +/-    0.51      15.9 +/-    0.51  0.050 / 0.040
G15     81.3           56.3                9.8 +/-    0.69      11.5 +/-    0.69  0.080 / 0.220
G16     300.1          13.0                6.1 +/-    1.48      16.0 +/-    1.48  0.090 / 0.210
G18     273.3          58.2               10.3 +/-    0.89      11.9 +/-    0.89  0.050 / 0.080
G20     42.9           48.4                8.4 +/-    0.70      10.8 +/-    0.70  0.060 / 0.060
G21     342.0          64.0                8.4 +/-    0.89       9.3 +/-    0.89  0.070 / 0.170
G26     270.2          14.6                8.6 +/-    1.77      21.6 +/-    1.77  0.080 / 0.140
G29     162.5          41.9               12.2 +/-    0.94      17.3 +/-    0.94  0.160 / 0.400