PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/16-01:13:10
G10     261.4          34.7               12.6 +/-    1.52      20.1 +/-    1.52  0.090 / 0.220
G13     44.8           22.3                9.8 +/-    1.35      20.4 +/-    1.35  0.120 / 0.240
G15     68.2           54.4               10.6 +/-    0.45      12.7 +/-    0.45  0.100 / 0.350
G16     282.8          13.9               10.5 +/-    1.30      26.8 +/-    1.30  0.110 / 0.340
G20     273.9          45.3               10.9 +/-    0.79      14.6 +/-    0.79  0.090 / 0.110
G21     349.2          67.8                9.8 +/-    0.42      10.5 +/-    0.42  0.090 / 0.100
G24     123.7          11.1                7.7 +/-   37.23      21.0 +/-   37.23  0.060 / 0.060
G26     255.8          10.4               11.6 +/-    2.33      32.1 +/-    2.33  0.050 / 0.050
G27     320.8          14.4                9.5 +/-    2.82      24.0 +/-    2.82  0.130 / 0.390
G29     167.7          38.0               13.8 +/-    1.09      20.8 +/-    1.09  0.110 / 0.350