Speaking as an FCC certified TVWS database provider, we do not supply any 
information to the devices related to EIRP, PSD, mask or similar 
characteristics.
The device supplied FCCID tells us what the FCC compliance is (high power 
fixed, personal/portable mode 1 or 2) and we calculate protection, and respond 
with channel lists based on this.
All the device gets is a list of channels that it is legally allowed to operate 
on, based on the device classification provided.

From: "Benjamin A. Rolfe" <[email protected]<mailto:[email protected]>>
Date: Wednesday, October 23, 2013 at 11:40 AM
To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>>
Subject: Re: [paws] Question: Encode slopes?

It would seem from the thread that this method of specifying a "mask" (emission 
limits) does not address the known regulatory requirements in the United 
States, where a simple rectangle does not describe the emissions profile limits.
This circles me back to the question I asked quite a while ago, which is how, 
as a device developer, do I use this information?  What is the purpose of 
providing a "mask"?
Related question: Do the current FCC approved databases provide this "mask" 
information now?
Thanks
Ben


On 10/23/2013 1:44 AM, Ray Bellis wrote:

On 22 Oct 2013, at 17:07, Peter Stanforth 
<[email protected]><mailto:[email protected]> wrote:



Took the words right out of my mouth! My preference is to make sure we have 
addressed all known regulator issues, for which I don't believe this is 
required, and then do this right next time.


+lots

Ray


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