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To: Jon Koplik who wrote (21294)	1/14/1999 11:49:00 AM
From: Ramus	Respond to of 152472

Jon, According to the Merriam WebsterMain dictionary Pronunciation: 'spek-tr&m Function: noun Inflected Form(s): plural spec·tra /-tr&/; or spectrums Etymology: New Latin, from Latin, appearance -- more at SPECTER Date: 1671 1 a : a continuum of color formed when a beam of white light is dispersed (as by passage through a prism) so that its component wavelengths are arranged in order b :any of various continua that resemble a spectrum in consisting of an ordered arrangement by a particular characteristic (as frequency or energy): as (1) : ELECTROMAGNETIC SPECTRUM (2) : RADIO SPECTRUM (3) : the range of frequencies of sound waves (4) : MASS SPECTRUM c : the representation (as a plot) of a spectrum 2 a : a continuous sequence or range <a wide spectrum of interests> b : kinds of organisms associated with a particular situation (as an environment) or susceptible to an agent (as an antibiotic) So even English teachers say "spectrums". I did this for a reason though. Often we refer to parts of a spectrum as spectra. However, I was referring to a new spectrum, separate and distinct from the usual over-the-air spectrum around us. A cable TV system could be thought of this way in that a physically separate frequency continuum is contained within the cable. At least cable operators try to make it that way. These "spectrums" that I was referring to would have a spacial aspect and would be separate and distinct from other "spectrums". We might talk about the "spectra" of which they are comprised. Regards Walt