PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/13-22:12:50
G05     49.9           14.6                8.4 +/-    2.44      21.0 +/-    2.44  0.070 / 0.210
G10     238.2          14.9               14.1 +/-    0.92      35.2 +/-    0.92  0.120 / 0.270
G13     71.4           35.9               11.0 +/-    0.62      17.2 +/-    0.62  0.050 / 0.070
G15     124.9          54.0               13.4 +/-    0.45      16.1 +/-    0.45  0.050 / 0.070
G16     309.8          14.4                8.9 +/-    2.16      22.4 +/-    2.16  0.110 / 0.320
G20     243.4          10.9                7.2 +/-    1.00      19.6 +/-    1.00  0.120 / 0.370
G21     315.3          48.3               10.9 +/-    0.74      14.0 +/-    0.74  0.020 / 0.030
G26     282.4          20.5               11.8 +/-    4.33      25.7 +/-    4.33  0.020 / 0.020
G29     158.6          70.0               12.0 +/-    0.41      12.6 +/-    0.41  0.050 / 0.090