Assertion: antenna's field | /r/HasProperty | electromagnetic
Facets:
Source sentences:
text: An antenna is an electromagnetic radiator; it creates an electromagnetic field that proceeds out from the transmitting antenna to the receiver’s antenna, which then converts the electromagnetic wave into electrical signals that are applied to the receiver’s input stages.
text: A helical antenna is a specialized antenna that emits and responds to electromagnetic fields with rotating (circular)polarization.