Assertion: radar's antenna | /r/HasAspect | three pairs of dipoles
Facets:
Source sentences:
text: The wide-band regenerative receiver used Acorn tubes from RCA, and the receiving antenna had three pairs of dipoles and incorporated lobe switching.
text: The transmitting antenna was an array of 10 pairs of dipoles with a reflecting mesh, and the receiving antenna had three pairs of dipoles and incorporated lobe switching.