Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uunet!portal!cup.portal.com!Nagle From: Nagle@cup.portal.com (John - Nagle) Newsgroups: sci.electronics Subject: Re: FCC freq regs Message-ID: <24879@cup.portal.com> Date: 10 Dec 89 05:38:32 GMT References: <549@scorn.sco.COM> Distribution: usa Organization: The Portal System (TM) Lines: 8 The FCC has jurisdiction over radio waves, defined as "Electromagnetic waves of frequencies arbitrarily lower than 3,000 GHz, propagated in space without artificial guide." Source: 47 CFR Ch.1, section 2.1. FCC jurisdiction thus ends somewhere in the long infrared. Optical communication systems do not require FCC licencing. Safety of optical emitters is regulated by the Department of Health and Human Services.