Assertion: antenna's gain | /r/HasProperty | high
Facets:
value: extremely
type: DEGREE
value: as 40-50 db
type: OTHER
value: for very large dish antennas
type: PURPOSE
Source sentences:
text: The gain of a real antenna can be as high as 40-50 dB for very large dish antennas (although this is rare).
text: A short backfire antenna (or short back-fire, SBA, SBF or SBFA) is a type of a directional antenna, characterized by high gain, relatively small size, and narrow band.
text: so large parabolic antennas, such as those used for spacecraft communication and radio telescopes, can have extremely high gain.
text: One large application for LPDAs is in rooftop terrestrial television antennas, since they must have large bandwidth to cover the wide television bands of roughly 54–88 and 174–216 MHz in the VHF and 470–890 MHz in the UHF while also having high gain for adequate fringe reception.