PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/01-00:43:10
G05     46.2           24.5               11.6 +/-   35.32      22.9 +/-   35.32  0.050 / 0.230
G13     88.5           35.7               15.5 +/-   33.77      24.2 +/-   33.77  0.050 / 0.110
G15     139.1          44.6               21.6 +/-   36.04      29.3 +/-   36.04  0.080 / 0.310
G20     239.0          24.1               15.6 +/-   34.17      31.2 +/-   34.17  0.050 / 0.150
G21     303.6          40.1               17.3 +/-   35.94      25.2 +/-   35.94  0.170 / 0.440
G25     204.5          18.7               15.6 +/-   32.82      35.4 +/-   32.82  0.190 / 0.420
G26     296.0          20.8               14.4 +/-   33.92      31.1 +/-   33.92  0.090 / 0.320
G29     137.3          84.5               19.0 +/-   34.59      19.1 +/-   34.59  0.080 / 0.120