[amsat-bb] Re: simplex/duplex terminology

Nigel A. Gunn, W8IFF/G8IFF nigel at ngunn.net
Wed Jul 27 14:16:30 PDT 2011

You definitions are correct as stated in the "official" definitions on 
the ITU website so we have to accept them as correct. However, they are 
not in agreement with what I learned in telecommunications training back 
in the 1970s in the UK so perhaps things have changed wrt time.

This discussion has cropped up before and no doubt will again.

On 07/27/2011 09:06 PM, W4ART Arthur Feller wrote:
> This is an extract from the RR's, with much more not copied here.  Got 
> a question?  More is available online at the 4U1ITU web site.  It's an 
> excellent document with lots from which to learn.
> 73, art…..
> W4ART  Arlington VA

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