PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/16-22:12:50
G10     265.9          38.9               10.8 +/-    1.33      16.0 +/-    1.33  0.170 / 0.390
G13     42.1           18.3                6.4 +/-    1.52      14.8 +/-    1.52  0.140 / 0.350
G15     60.9           50.1                8.4 +/-    0.69      10.6 +/-    0.69  0.100 / 0.170
G16     280.4          13.0                9.7 +/-    1.16      25.3 +/-    1.16  0.090 / 0.160
G20     295.6          59.7                8.1 +/-    1.05       9.2 +/-    1.05  0.050 / 0.060
G21     357.9          70.3                8.0 +/-    0.47       8.5 +/-    0.47  0.060 / 0.070
G24     122.8          13.3               10.8 +/-    2.38      27.9 +/-    2.38  0.070 / 0.050
G27     319.6          17.3                7.8 +/-    1.42      18.3 +/-    1.42  0.050 / 0.060
G29     166.9          32.8               11.0 +/-    1.48      18.1 +/-    1.48  0.140 / 0.440