[amsat-bb] Re: S-Band Not 2.4 but 2.3

John B. Stephensen kd6ozh at comcast.net
Sun Sep 10 20:25:13 PDT 2006


The FCC specifies amateur satellite frequencies in 97.207 and 97.209.

73,

John
KD6OZH

----- Original Message ----- 
From: "Emily Clarke" <emily at clarke-design.com>
To: "John B. Stephensen" <kd6ozh at comcast.net>; <amsat-bb at amsat.org>
Sent: Sunday, September 10, 2006 18:32 UTC
Subject: Re: [amsat-bb] Re: S-Band Not 2.4 but 2.3


>
> At 11:59 PM 9/9/2006, John B. Stephensen wrote:
> >Unfortunately, there is no country that allows the use of 2.3 GHz for
> >amateur satellites and only one country in the footprint of the satellite
> >would have to object.
>
> The detailed chart (
> http://www.ntia.doc.gov/osmhome/Chp04Chart.pdf  - starting on page
> 50) is a bit fuzzy but it looks like amateur is allocated from 2300 -
> 2450, albeit all on a secondary basis.  Currently there is a 5MHz
> amateur allocation at 2300-2305 in all three regions and a 10MHz
> allocation at 2390 - 2400.  I believe the 2390-2400 is primary as it
> appears in all caps and 2300-2305 may also be primary.
>
> This doesn't mean these are available for satellite use.  The only
> bandplan I have found for this spectrum comes from the ARRL website.
>
> But it is a bandplan, and bandplans are subject to change.  For
> example, there is 800 KHz allocated between 2303.0 to 2303.8 and
> another 500 KHz between 2399.0 and 2399.5 for low rate packet.  Can
> the use of that part of the bandplan be negotiated?  I don't
> know.  However I will be very interested in hearing Paul Renaldo's
> presentation in San Francisco and meeting with the other members of the
IARU.
>
> 73,
>
> Emily
>
>



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