Assertion: antenna | /r/ObjectUse | used for nvis communication
Facets:
value: according to military sources
type: OTHER
value: depending on the specific requirements
type: OTHER
Source sentences:
text: Depending on the specific requirements, various antennas (i.e. Sloper, T2FD, Dipole) can be used for NVIS communication, with horizontal dipoles or inverted V dipoles at about 0.2 wavelengths above ground giving the best results on transmit and at about 0.16 wavelengths on receive, according to military sources and an extensive study by Dutch researchers.