Assertion: antenna's design | /r/AtLocation | common use
Facets:
value: as of 2018
type: TEMPORAL
Source sentences:
text: These popular designs are still in common use as of 2018 and the ‘constant turn’ design originating in Australia have been universally adapted as standard FM receiving antennas for many factory produced motor vehicles as well as the existing basic style of aftermarket HF and VHF mobile helical.