PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-19:58:00
G08     306.5          20.3                9.7 +/-    3.01      21.2 +/-    3.01  0.050 / 0.080
G10     335.9          60.5                9.3 +/-    0.61      10.5 +/-    0.61  0.070 / 0.070
G14     219.8          34.3                9.7 +/-    0.82      15.6 +/-    0.82  0.050 / 0.070
G18     44.9           57.4                8.8 +/-    0.19      10.2 +/-    0.19  0.050 / 0.070
G21     136.5          50.3               13.4 +/-    1.04      16.8 +/-    1.04  0.050 / 0.100
G24     72.2           30.4                9.9 +/-    0.79      17.2 +/-    0.79  0.050 / 0.090
G27     269.4          37.0                9.6 +/-    1.29      14.8 +/-    1.29  0.050 / 0.050
G32     226.1          52.9               13.3 +/-    1.11      16.3 +/-    1.11  0.040 / 0.040