PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-18:43:00
G10     287.0          47.5               11.9 +/-    1.55      15.5 +/-    1.55  0.060 / 0.090
G15     47.5           33.4               11.0 +/-    0.94      18.0 +/-    0.94  0.050 / 0.100
G18     345.2          66.9               11.5 +/-    0.97      12.4 +/-    0.97  0.040 / 0.050
G20     65.9           23.9               11.5 +/-    1.05      23.2 +/-    1.05  0.040 / 0.050
G21     81.8           74.3               13.4 +/-    0.76      13.8 +/-    0.76  0.090 / 0.200
G24     106.1          23.4               13.9 +/-    1.01      28.2 +/-    1.01  0.090 / 0.170
G27     306.0          31.7               12.7 +/-    1.67      21.5 +/-    1.67  0.080 / 0.160
G32     208.7          23.5               13.8 +/-    2.03      28.0 +/-    2.03  0.060 / 0.170