Assertion: dipole antenna | /r/HasProperty | available
Facets:
value: as tv antennas
type: MANNER
value: often
type: TEMPORAL
Source sentences:
text: Directional antennas are often available as TV antennas.
text: These are available with either a 75 Ω {\displaystyle \Omega } or 300 Ω {\displaystyle \Omega } impedance and have a typical gain of -4 dB with respect to a ½ λ {\displaystyle \lambda } dipole.