Re: iridium to move spare sat to operational orbital height

From: Rod Sladen <rod.sladen_at_gmail.com>
Date: Sat, 1 Feb 2014 09:24:39 +0000
On Sat, Feb 1, 2014 at 1:34 AM, Kevin Fetter <kfetter_at_yahoo.com> wrote:

http://transition.fcc.gov/Daily_Releases/Daily_Business/2014/db0131/DA-14-107A1.pdf
>  On January 30, 2014, the Satellite Division granted the application of
> Iridium Constellation LLC to modify its authorization to operate
> Mobile-Satellite Service space stations in the 1617.775-1626.5 MHz
> (service link), 19.4-19.6 GHz (feeder downlink and TT&C), and 29.1-29.3
> GHz (feeder uplink and TT&C) frequency bands by permitting a spare
> satellite to be positioned in a parking orbit at the mission altitude of
> 778 kilometers, approximately 300 kilometers behind one of the operational
> satellites in the Iridium constellation, rather than in the currently
> authorized parking orbit at 645 kilometers. The spare satellite will
> conduct telemetry, tracking, and command operations in the 19.4-19.6
> GHz (space-to-Earth) and 29.1-29.3 GHz (Earth-to-space) frequency bands.
>

I think that this is giving ongoing authorization for Iridium 23 to remain
at operational altitude just behind Iridium 94, and does not represent any
change in the actual constellation.

Rod
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Received on Sat Feb 01 2014 - 09:25:55 UTC

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