Re: QAM constellation script

[Adrian Musceac]

On Wednesday, 3 May 2023 19:20:10 EEST Marcus Müller wrote:
> Hi George,
> 
> that's a multiplicative voice scrambler!
> 
> The pre-Second World war voice scrambler system "SIGSALY" [1] was kind
> of similar;
> just that the scrambling sequence came out of a noisy vacuum tube, not
> Python's random.random(), and that the combination method was taking
> samples and adding them modulo 6, instead of multiplying the phase
> (which is inherently modulo 2π).
> 

That was a really nice description, thank you for taking the time to write 
that. The original project is also interesting, even if we call it differently.
So to me this looks like a basic CDMA access scheme, is there really any 
advantage to using it as opposed to standard FDMA as traditionally used on 
QO100? From an amateur radio operator perspective.

Adrian