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Date: Tue, 9 Oct 2012 13:21:55 -0700 (PDT)
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Subject: Re: GA144 polyForth
From: Howerd <howe...@yahoo.co.uk>
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On Tuesday, October 9, 2012 7:48:14 PM UTC+2, rickman wrote:
> On 10/8/2012 4:31 PM, Howerd wrote:
> 
> > On Monday, October 8, 2012 1:31:55 AM UTC+2, rickman wrote:
> 
> >>
> 
> >> what do you think you could use this device for
> 
> >> that would be a better implementation than other devices?
> 
> > I intend to use the GA144 to interface to one or more antennas. I have a"gut feeeling"
> 
> that if you remove all of the simplifying assumptions between 
> 
> electromagnetic radiation
> 
> and software you might be able to find some new properties of both.
> 
> > I am particularly interested in the orbital angular momentum ( OAM ) property of
> 
> electromagnetic radiation - I want to go back to basics and see whether 
> 
> this can be
> 
> measured easily with a GA144. I think the 6 GHz counter and VCO might be 
> 
> able to resolve
> 
> OAM effects. We shall see...
> 
> >
> 
> > Best regards,
> 
> > Howerd
> 
> 
> 
> OAM eh?  What aspects of the GA144 will enable this to be measured 
> 
> better than other methods?  The 5.6 GHz counter is just an ADC with a 
> 
> variable resolution vs. sample rate.  There are lots of ADC available 
> 
> with very high sample rates and much better resolution.
> 
> 
> 
> Rick

Hi Rick,

> OAM eh?  What aspects of the GA144 will enable this to be measured 
> better than other methods?
The fact that there is minimum hardware between the antenna and the transistors that measure voltage - I am also looking for macroscopic quantum effects. 
If you read voltage using an ADC with amplifiers, filtering, anti-aliassing etc you are bound to observe what the theory says is there, because that theory was used to design the system. I want to get closer to the hardware.

Best regards,
Howerd