Antenna blind cone
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In telecommunications, antenna blind cone (sometimes called a cone of silence or antenna blind spot) is the volume of space, usually approximately conical with its vertex at the antenna, that cannot be scanned by an antenna because of limitations of the antenna radiation pattern and mount.[1]
Note: An example of an antenna blind cone is that of an Air Route Surveillance Radar (ARSR). The horizontal radiation pattern of an ARSR antenna is very narrow. The vertical radiation pattern is fan-shaped, reaching approximately 70° of elevation above the horizontal plane. As the fan antenna is rotated about a vertical axis, it can illuminate targets only if they are 70° or less from the horizontal plane. Above that elevation, they are in the antenna blind cone.
Notes
Further reading
Rudge, Alan W., Editor (1983). blind spot&f=false The Handbook of Antenna Design. Vol. 2. p. 216. {{cite book}}: |first1= has generic name (help); Check |url= value (help)CS1 maint: multiple names: authors list (link)
This article incorporates public domain material from Federal Standard 1037C. General Services Administration. Archived from the original on 2022-01-22.
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