[eagle] Re: [Fwd: Re: 3GHz]

Matt Ettus matt at ettus.com
Mon Feb 5 18:38:59 PST 2007

I forget how much of the band is allocated for satellite use.  Isn't it
just 10 MHz?


Jim Sanford wrote:
> Team:
> This is the response I got to an email I sent after seeing the latest 
> CQ-VHF.  The successors to the HSMM effort are proposing a digital band 
> plan, and have included us.  They gave us 3400 to 3410, as an initial 
> proposal.
> SO, digital guys, is this enough?  In the discussions I've been part of, 
> we spoke of 10 MHz as a minimum, and we spoke of it as nominal.  How 
> much do we REALLY need?  What's been published is a proposal, the 
> beginning of a conversation.  I know we're a long way from saying, "this 
> is what it will be,"  but can we articulate a needed bandwidth based on 
> what we know now?  I'd like to think that we can, but will defer to you 
> who are smarter than me on these things.  You who are more familiar with 
> the international regulatory scene, is this a good freq range, or should 
> we ask them to move?
> These guys like what we're doing and want to support us.  Good things 
> are happening!
> Thanks & 73,
> Jim
> wb4gcs at amsat.org
> -------- Original Message --------
> Subject: 	Re: 3GHz
> Date: 	Sat, 3 Feb 2007 19:07:47 -0500
> From: 	Paul Toth-NA4AR <ptoth1 at tampabay.rr.com>
> Reply-To: 	Paul Toth-NA4AR <na4ar at ni4ce.org>
> To: 	Jim Sanford <wb4gcs at amsat.org>
> References: 	<45C51EDF.1060407 at amsat.org>
> Jim...
> I passed it on to Drew Glasbrenner-KO4MA.  Drew coordinates the Florida
> AMSAT Net on the NI4CE Repeater System (and other repeaters that link into
> NI4CE via Echolink).  Drew indicated to me he would pass the bandplan up the
> line.  I haven't seen what CQ published as yet.
> The bandplan reserves a window between 3.400 GHz-3.410 GHz for EAGLE and
> other satellite operations.  /*If that is not suffficient, please let me know.
> The proposed bandplan is really more a suggestion for broadband network
> operations rather than something set in concrete.*/  ARBA, Inc. (Amateur Radio
> Broadband Alliance) came up with this to provide some guidance to those who
> want to build broadband wireless networks.  We recognize that existing local
> activity on the band will need to be accommodated.
> I applaud the work you and AMSAT are doing.  One of the missing links in
> Amateur Radio disaster communications has been digital satellite capability
> over an extended period (more than give or ten minutes at a time).  EAGLE
> will help fill that need.
> Very 73 de Paul-NA4AR
> ----- Original Message ----- 
> From: "Jim Sanford" <wb4gcs at amsat.org>
> To: <na4ar at ni4ce.org>
> Sent: Saturday, February 03, 2007 6:46 PM
> Subject: 3GHz
>> Paul:
>> I just read your article in CQ-VHF regarding HSMM work.  In one of the
>> figures, you mention passing on a proposed band plan to AMSAT for
>> coordination with Eagle.
>> Question:  to whom did you pass that on?  I'm the Eagle project manager
>> and have not seen it, other than the chart in the article.
>> GOod article, congratulations.
>> Thanks & 73,
>> Jim
>> wb4gcs at amsat.org
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