PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/29-20:57:40
G10     259.9          32.9               14.9 +/-    2.06      24.6 +/-    2.06  0.170 / 0.100
G13     46.5           24.9               15.7 +/-    2.12      30.7 +/-    2.12  0.070 / 0.070
G15     68.0           53.3               16.4 +/-    0.74      19.9 +/-    0.74  0.200 / 0.280
G16     289.6          12.8               11.9 +/-    1.12      31.1 +/-    1.12  0.150 / 0.260
G18     287.2          61.9               13.5 +/-    1.20      15.1 +/-    1.20  0.040 / 0.030
G20     49.8           40.1               14.0 +/-    1.01      20.3 +/-    1.01  0.040 / 0.030
G21     352.4          68.5               16.0 +/-    0.76      17.0 +/-    0.76  0.070 / 0.080
G26     262.6          11.0               14.8 +/-    3.93      40.3 +/-    3.93  0.070 / 0.070
G27     320.5          14.8               10.2 +/-    1.74      25.5 +/-    1.74  0.110 / 0.200
G29     165.1          33.9               19.4 +/-    1.06      31.4 +/-    1.06  0.120 / 0.180