Art... What's the definition then of a one way only link, as in a TLM channel or beacon?
On 07/27/2011 06:54 PM, W4ART Arthur Feller wrote: > No need to guess or try to write new definitions. Here are definitions > accepted by all administrations around the world and included in the radio > regulations: > > RR 1.125 simplex operation: Operating method in which transmission is made > possible > alternately in each direction of a telecommunication channel, for example, by > means of manual > control2. > > RR 1.126 duplex operation: Operating method in which transmission is possible > simultaneously in both directions of a telecommunication channel2. > > RR 1.127 semi-duplex operation: A method which is simplex operation at one > end of > the circuit and duplex operation at the other.2 > > > 2 1.125.1, 1.126.1 and 1.127.1 In general, duplex operation and semi-duplex > operation require two frequencies > in radiocommunication; simplex operation may use either one or two. > > I hope this helps. > > 73, art….. > W4ART Arlington VA > > > > http://afeller.us > > _______________________________________________ > Sent via [email protected]. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > _______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
