Assertion: radome | /r/HasProperty | hinderance
Facets:
value: heretofore
type: TEMPORAL
Source sentences:
text: Because of the interposition of the radome between the antenna and outside space from which the antenna is to receive or transmit signals, the radome always adds some refraction and insertion losses to the signal and, as a consequence, the radome has heretofore been regarded as hinderance to the radiation performance of the antenna.