"New" allocation for ADS-B via satellite

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kr0ne
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"New" allocation for ADS-B via satellite

Post by kr0ne » 13 Nov 2015, 00:27

GENEVA (Reuters) - A U.N. conference agreed on Wednesday to dedicate part of the radio spectrum to a global flight tracking system, to avoid a repeat of the disappearance of Malaysian Airlines flight MH370 in March last year.

The agreement by the World Radiocommunciation Conference (WRC) means that satellites will be able to receive transmissions, known as automatic dependent surveillance-broadcast (ADS-B), that aircraft currently send only to other aircraft and to ground stations.
http://uk.mobile.reuters.com/article/id ... 111?irpc=9

EDIT

Looks like they are saying 1087.7MHz to 1092.3MHz, which I thought was where ADS-B was currently? Original press release is here:

http://www.un.org/apps/news/story.asp?N ... kWuystFCBZ

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Re: "New" allocation for ADS-B via satellite

Post by BK » 13 Nov 2015, 16:36

kr0ne wrote:Looks like they are saying 1087.7MHz to 1092.3MHz, which I thought was where ADS-B was currently?
Yes, satellites are going to receive the existing ADS-B transmissions on the existing frequencies, and that makes it a new frequency allocation.

Apparently this will stop a repeat of MH370 where the pilot switched off the transponder, maybe the satellites are going to have a little robot arm that can reach into the cockpit and switch it back on again.

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Re: "New" allocation for ADS-B via satellite

Post by kr0ne » 13 Nov 2015, 20:58

Go go Gadget Flightradar24!

There's a thread on PPRuNe about it, somebody is saying that the new Iridium constellation is going to be ADS-B equipped. Makes a lot more sense now... of course you would use the existing transponders already fitted to thousands of aircraft around the world rather than start again from scratch, although as you rightly point out this has sod all to do with MH370 as theirs was not transmitting (whatever the reason)! :roll:

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