Assertion: radar's antenna | /r/CapableOf | perform function
Facets:
Source sentences:
text: When the ADEE became the ADRDE in early 1941, this organization started the development of the GL3B. All of the equipment, including the power generator, was contained in a protected trailer, topped with two 6-foot dish transmitting and receiving antennas on a rotating base, as the transmit-receive (T-R) switch allowing a single antenna to perform both functions had not yet been perfected.