PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/27-19:12:30
G08     299.8          22.1               12.0 +/-    1.59      25.0 +/-    1.59  0.070 / 0.110
G10     351.2          62.2                9.8 +/-    0.43      10.9 +/-    0.43  0.080 / 0.100
G14     224.7          40.9               11.6 +/-    1.77      16.6 +/-    1.77  0.060 / 0.060
G18     56.2           53.6               10.8 +/-    1.05      13.0 +/-    1.05  0.050 / 0.070
G21     141.7          42.3               12.1 +/-    0.50      17.0 +/-    0.50  0.070 / 0.080
G24     63.8           28.9               10.8 +/-    1.08      19.3 +/-    1.08  0.060 / 0.090
G27     260.3          34.6               11.8 +/-    2.14      18.9 +/-    2.14  0.080 / 0.050
G32     234.5          60.4               11.1 +/-    1.75      12.6 +/-    1.75  0.070 / 0.040