PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/24-16:57:40
G10     255.3          29.7               11.5 +/-    3.24      20.3 +/-    3.24  0.270 / 0.180
G13     49.8           27.8                7.5 +/-    1.43      13.9 +/-    1.43  0.290 / 0.180
G15     74.3           54.8               10.9 +/-    0.44      13.1 +/-    0.44  0.040 / 0.030
G16     295.6          13.2                8.6 +/-    1.46      22.2 +/-    1.46  0.040 / 0.030
G18     280.0          60.5               10.8 +/-    1.45      12.2 +/-    1.45  0.130 / 0.190
G20     45.2           45.8                9.3 +/-    0.39      12.4 +/-    0.39  0.200 / 0.300
G21     349.6          66.8               10.0 +/-    0.85      10.7 +/-    0.85  0.050 / 0.050
G26     266.1          13.1                8.0 +/-    3.11      20.8 +/-    3.11  0.040 / 0.060
G27     321.9          10.7              -12.1 +/-   19.28     -33.2 +/-   19.28  0.080 / 0.200
G29     163.7          38.6               11.8 +/-    0.95      17.6 +/-    0.95  0.080 / 0.150