PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/28-16:57:50
G10     262.3          34.7                8.8 +/-    1.68      14.0 +/-    1.68  0.150 / 0.210
G13     44.7           22.7                7.5 +/-    2.87      15.4 +/-    2.87  0.160 / 0.220
G15     63.2           50.7                8.1 +/-    0.86      10.2 +/-    0.86  0.040 / 0.040
G16     288.3          12.2                8.9 +/-    2.35      23.6 +/-    2.35  0.040 / 0.040
G18     294.6          63.9                9.2 +/-    0.64      10.1 +/-    0.64  0.220 / 0.250
G20     50.4           40.0                7.1 +/-    1.18      10.3 +/-    1.18  0.300 / 0.300
G21     6.0            71.3                9.2 +/-    0.77       9.6 +/-    0.77  0.060 / 0.080
G24     125.0          11.4                2.9 +/-   33.03       7.7 +/-   33.03  0.070 / 0.070
G27     319.8          16.7                7.4 +/-    2.35      17.6 +/-    2.35  0.080 / 0.240
G29     165.2          30.9                9.6 +/-    0.91      16.5 +/-    0.91  0.190 / 0.260