PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-19:42:40
G08     318.8          12.8               16.0 +/-    1.99      42.1 +/-    1.99  0.060 / 0.090
G10     307.5          54.6               17.9 +/-    0.98      21.4 +/-    0.98  0.050 / 0.090
G14     212.4          19.3               24.6 +/-    3.25      55.1 +/-    3.25  0.030 / 0.050
G15     45.5           21.1               14.8 +/-    0.76      31.6 +/-    0.76  0.030 / 0.040
G18     16.5           63.9               17.4 +/-    0.78      19.2 +/-    0.78  0.060 / 0.200
G20     76.2           14.4               17.4 +/-    1.25      43.9 +/-    1.25  0.060 / 0.210
G21     117.5          65.3               22.1 +/-    1.04      24.0 +/-    1.04  0.080 / 0.110
G24     91.0           29.0               20.1 +/-    1.26      36.0 +/-    1.26  0.070 / 0.110
G27     290.3          37.3               18.3 +/-    1.14      27.8 +/-    1.14  0.120 / 0.500
G32     214.6          37.1               25.1 +/-    1.16      38.3 +/-    1.16  0.120 / 0.380