Assertion: vertical antenna | /r/HasProperty | constructed for a few bucks
Facets:
value: from 1/4 wavelength groundplane
type: LOCATION
Source sentences:
text: A vertical antenna can be constructed from a 1 to 2 meter piece of coax (coaxial collinear) or electrical copper wire, or aluminium, brass, or copper tube (1/4 wavelength groundplane, wire collinear with coils & franklin collinear with hairpin stubs) for a few bucks.