PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/27-00:27:40
G05     49.5           14.5                5.9 +/-    1.48      14.8 +/-    1.48  0.040 / 0.070
G10     237.3          15.4               13.3 +/-    1.42      32.9 +/-    1.42  0.050 / 0.070
G13     72.1           35.2                9.9 +/-    1.06      15.7 +/-    1.06  0.230 / 0.420
G15     119.2          53.8               11.9 +/-    0.65      14.4 +/-    0.65  0.160 / 0.370
G16     313.4          12.4                8.0 +/-    4.46      21.1 +/-    4.46  0.170 / 0.200
G20     250.3          38.4               12.6 +/-    0.97      18.8 +/-    0.97  0.090 / 0.170
G21     315.5          48.1                9.5 +/-    0.91      12.3 +/-    0.91  0.140 / 0.370
G25     198.6          10.0               10.2 +/-   17.70      28.6 +/-   17.70  0.110 / 0.340
G26     286.3          19.7                9.3 +/-    1.24      20.7 +/-    1.24  0.060 / 0.150
G29     153.8          68.5               11.1 +/-    0.83      11.8 +/-    0.83  0.070 / 0.150