PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-19:28:00
G08     313.3          17.0               10.6 +/-    1.67      25.1 +/-    1.67  0.050 / 0.070
G10     320.9          57.9               10.5 +/-    1.09      12.2 +/-    1.09  0.070 / 0.060
G14     215.6          26.7               16.6 +/-    2.12      31.3 +/-    2.12  0.210 / 0.440
G15     46.0           14.2               11.0 +/-    1.90      28.0 +/-    1.90  0.290 / 0.630
G18     31.9           60.9               12.7 +/-    1.41      14.3 +/-    1.41  0.050 / 0.100
G20     81.9           9.7                15.7 +/-    3.37      44.1 +/-    3.37  0.060 / 0.080
G24     81.6           30.4               12.8 +/-    1.36      22.2 +/-    1.36  0.080 / 0.080
G27     280.0          38.1               11.8 +/-    2.08      17.7 +/-    2.08  0.090 / 0.070
G32     219.5          45.2               16.7 +/-    1.45      22.4 +/-    1.45  0.130 / 0.230