Re: [Discuss-gnuradio] Radio frequency range description list?

[Ralph A. Schmid, dk5ras]

In earlier times www.ero.dk had some good charts and tables for Europe, but
now it was included in the cept.org website, and I guess the information may
be still there, but deeply buried somewhere...

Ralph.

> -----Original Message-----
> From: address@hidden
> [mailto:address@hidden On Behalf Of
> Andre-John Mas
> Sent: Wednesday, April 03, 2013 3:38 AM
> To: Alexandru Csete
> Cc: address@hidden
> Subject: Re: [Discuss-gnuradio] Radio frequency range description list?
> 
> Hi Alexandru,
> 
> There are certainly charts and tables of this data, but from what I have
seen
> they are either in non-machine parsable format (PDF) or they are targeted
at
> commercial entities or government organisations.
> 
> If there is already something corresponding to what I looking for, that is
> machine parsable and suitable for open source use, then I will gladly
shift my
> focus to what already exists. I don't want to duplicate effort if I don't
need
> to.
> 
> If you know of any open source software that already has a data file of a
sort,
> then I would be interested in knowing.
> 
> Regards
> 
> Andre
> 
> Sent from my tablet
> 
> On 2013-04-02, at 10:51, "Alexandru Csete" <address@hidden> wrote:
> 
> > Hi Andre,
> >
> > I think it would be a mistake to consider a no reply on this list as a
> > general no to your question. Clearly, there must be such databases out
> > there, otherwise maintaining things like the US Frequency Allocation
> > Chart [1] or the ITU-RR [2] would be a nightmare. How you get the
> > source of those publications I do not know. There are also smaller
> > databases embedded in various SDR and other receiver software out
> > there that could be a starting point.
> >
> > I foresee two significant challenges in implementing your idea:
> > - Most of the spectrum is allocated for multiple uses
> > - Allocations are in most cases made for specific uses but they do not
> > necessarily imply a specific configuration
> >
> > I think it will be a big help for you to narrow down the scope as much
> > as possible.
> >
> > [1]
> > http://en.wikipedia.org/wiki/File:United_States_Frequency_Allocations_
> > Chart_2011_-_The_Radio_Spectrum.pdf
> > [2] http://www.itu.int/pub/R-REG-RR
> >
> >
> > On Tue, Apr 2, 2013 at 5:29 AM, Andre-John Mas <address@hidden> wrote:
> >> Hi,
> >>
> >> In the absence of any existing solution I am interested in trying to
> >> put something together, possibly as a GitHub project?
> >>
> >> Although a Wiki could be used, my focus is on a solution that is
> >> machine parsable, so any application could make use of it. I am not
> >> sure the best file format to use, but currently three come to mind:
> >>  - xml
> >>  - json
> >>  - csv
> >>
> >> From looking at some documents that list frequency allocations, I
> >> figure that the files would be split into individual files, that
> >> cover the allocation by ITU region, country and other group, with the
> >> footnotes being in files separate to the allocation list, so that
> >> they could eventually be localised if need be. Something like:
> >>
> >> frequency-allocations/
> >>   itu_region1.txt
> >>   itu_region2.txt
> >>   eu.txt
> >>   uk.txt
> >>   us.txt
> >> footnotes/
> >>   ca.txt
> >>   us.txt
> >> rules/
> >>   us.txt
> >>
> >>
> >> The fields I am thinking of are, at this point
> >> - frequency range
> >> - footnotes
> >> - rules
> >> - service type
> >> - service category
> >> - data format
> >>
> >> This is a first stab, so any feedback would be useful. One thing that
> >> I seem to be struggling with is how best to specify information that
> >> would make it clear which data encoder/decoder to be using. For
> >> example, I can imagine an application detecting that you have
> >> selected a frequency range that corresponds to GPS and brings a view
> >> that shows the GPS data in a human readable form or that you are in a
> >> range that represents broadcasts TV and brings up a view that shows the
> broadcast data.
> >>
> >> It may also be useful to have a list of channels, according to service
type?
> >>
> >> Please let me know what you think.
> >>
> >> Andre
> >>
> >>
> >>
> >>
> >>
> >>
> >> ________________________________
> >> From: address@hidden
> >> To: address@hidden
> >> Date: Mon, 1 Apr 2013 01:13:17 +0000
> >> Subject: [Discuss-gnuradio] Radio frequency range description list?
> >>
> >>
> >> Hi,
> >>
> >> Has anyone created a machine parsable file that lists radio
> >> frequencies and what is covered by that range?
> >>
> >> At the simplest level I am thinking of something that would include
> >> country code, a frequency range and the identifier to what that range
> >> is, and possibly a string indicating typical data encoding. The idea
> >> being when using a UI, such as Gqrx you would be able to have a label
> >> identifying what sort of data you should be seeing and in other cases
> >> use this information for automatically loading the right
> >> configuration(s) for handling that frequency range.
> >>
> >> Andre
> >>
> >> _______________________________________________
> >> Discuss-gnuradio mailing list address@hidden
> >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> >>
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> >>
> 
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