PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/16-03:27:50
G08     300.1          22.1                7.4 +/-    2.29      15.4 +/-    2.29  0.090 / 0.100
G10     353.2          62.4               -3.1 +/-   10.46      -3.4 +/-   10.46  0.060 / 0.100
G14     224.5          38.0               12.0 +/-    2.16      18.1 +/-    2.16  0.060 / 0.140
G20     29.2           64.1               -1.7 +/-   10.38      -1.8 +/-   10.38  0.050 / 0.150
G21     142.9          47.9                1.3 +/-   10.14       1.7 +/-   10.14  0.040 / 0.030
G24     61.4           27.4                7.0 +/-    0.66      13.1 +/-    0.66  0.030 / 0.030
G27     261.9          34.6               10.5 +/-    1.40      16.7 +/-    1.40  0.050 / 0.070
G32     235.6          64.1                0.8 +/-   10.83       0.9 +/-   10.83  0.040 / 0.070