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General Scanning Forum General forum for the discussion of radio communications related information, including discussion regarding scanners and radio receivers. Location specific posts should be directed to the regional forums listed below.

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Old 11-05-2009, 10:33 AM
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Default US frequency allocation - detailed explanation ?

No doubt many of you are already familiar with the US frequency allocation chart:
http://www.ntia.doc.gov/osmhome/allochrt.pdf

I'm looking for information on who(m) and for what use on all the various allocations ( < 2 GHz ).

For example, what does 'FIXED' mean?

Is it possible to determine who 'owns' a given piece of the spectrum, and what it's being used for?

The chart leaves a bit to be desired in this respect.
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Old 11-05-2009, 12:08 PM
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Federal Communications Commission (FCC) Home Page

The website has a built-in Search function, too.
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Old 11-05-2009, 06:18 PM
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"For example, what does 'FIXED' mean?"
Fixed location, it doesn't move around. Except for Amateur all fixed stations including receiving sites eg. radio telescopes are registered (not necessarily licensed) by latitude and longitude.

"Is it possible to determine who 'owns' a given piece of the spectrum, and what it's being used for?"
That's what the chart tells you.

"The chart leaves a bit to be desired in this respect."
It's only an allocation chart, if you want specific information you have to look elsewhere.

As for the FCC, they don't license government nor military transmitters and receiving stations aren't licensed at all. When it comes to non FCC licenses that's where you the listener come in, specific information is not published by the government and some is highly classified so all available information has been gathered and compiled by people like you and I. That's where this and other internet sites come in, like any database they're repositories of information and the good part is many have forums where we can ask questions when we get stuck.

Consider yourselves lucky people, a few friends and I started monitoring way back before scanners were invented let alone any publications, not even PCs or the internet, we had to do it all ourselves. You might say we were the first Police Call or Radio Reference on a very small scale. When I think back on the analog receivers and homemade converters we used it makes me wonder how we managed to sort it all out. (;->)
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