1. A design allowance that provides for sufficient system gain or sensitivity to accommodate expected fading, for the purpose of ensuring that the required quality of service is maintained.
2. The amount by which a received signal level[?] may be reduced without causing system performance to fall below a specified threshold value. Synonym fading margin.
Source: from Federal Standard 1037C
... involve an encounter with a power much greater than that of the ship and its crew, sometimes in the form of advanced alien races (typically with mental powers), ...
Kids.Net.Au - kids safe portal for children, parents, schools and