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12th Feb 2015, 12:56
Replies: 11,831
Views: 24,345,687
Posted By mm_flynn

It would seem simple enought to get around by...

It would seem simple enought to get around by using a £100 'truck driver' GPS jammer placed near the device. This would prevent the device from knowing where it is. And as such, a Geostationary...
23rd Jul 2014, 16:01
Replies: 11,831
Views: 24,345,687
Posted By mm_flynn

That is probably true, but I have not seen...

That is probably true, but I have not seen anything more substantive than 'someone on PPrune said it' and the lack of any info from these companies as the basis. For the comment,



You have said...
16th Jul 2014, 11:09
Replies: 11,831
Views: 24,345,687
Posted By mm_flynn

The Malaysian CAA hasn't released the content of...

The Malaysian CAA hasn't released the content of the data stream and I seriously doubt it is relevant. there will have been all of the normal messages and then the 1:07 packet will all most surely...
16th Jul 2014, 09:14
Replies: 11,831
Views: 24,345,687
Posted By mm_flynn

Ian, You have said this several times. Yet...

Ian,

You have said this several times. Yet it (the ACARS over satcom part! not necessarily the RR or Boeing monitoring) is wholly inconsistent with all of the official statements by the Malaysian...
12th Jul 2014, 20:46
Replies: 11,831
Views: 24,345,687
Posted By mm_flynn

The 12:56 time was not implied as shortly before...

The 12:56 time was not implied as shortly before 1:07. The Preliminary Report clearly implies a number of routine messages for an appreciable time prior to the last message prior to the loss of...
12th Jul 2014, 18:00
Replies: 11,831
Views: 24,345,687
Posted By mm_flynn

Ian, two points. 1 - I can't see described...

Ian,

two points.
1 - I can't see described in any of the protocols a logoff message (nor for that matter a log on) at the ACARS level (i.e. a message that would indicate that the ACARS system was...
12th Jul 2014, 10:05
Replies: 11,831
Views: 24,345,687
Posted By mm_flynn

Ian, Are you certain there is actually a...

Ian,

Are you certain there is actually a logoff ACARS message (as compared to 'logging off' in the airplane as a planned way of causing the system to stop sending messages). I can't find any...
11th Jul 2014, 17:49
Replies: 11,831
Views: 24,345,687
Posted By mm_flynn

Or there was a catastrophic event that was...

Or there was a catastrophic event that was gradually knocking out system after system? [/QUOTE]

We don't know the systems went dark separately. We do know.

There was an ACARS air to ground...
10th Jul 2014, 05:08
Replies: 11,831
Views: 24,345,687
Posted By mm_flynn

Are you sure? While we all know PCs routers etc...

Are you sure? While we all know PCs routers etc have log files which almost always log a shutdown request, these are only visible if you have access to the PC (or wreckage in this case). I am...
9th Jul 2014, 09:06
Replies: 11,831
Views: 24,345,687
Posted By mm_flynn

I am not aware of any substantiated report that...

I am not aware of any substantiated report that any system on MH370 was 'shut down'. All we know was that various systems were no longer responding at certain times. We also know that the satcom...
5th Jun 2014, 13:09
Replies: 11,831
Views: 24,345,687
Posted By mm_flynn

I suspect that the report conflates the Satcom...

I suspect that the report conflates the Satcom infrastructure (which logged twice in flight, and is the source of the pings), with the ACARS system (which provides store and forward text and data...
5th Jun 2014, 09:23
Replies: 11,831
Views: 24,345,687
Posted By mm_flynn

I don't think there is any 'Official' statement...

I don't think there is any 'Official' statement that ACARS was switched off or logged off. I believe the position/time of last ACARS on the various plots is that of a complete and normal ACARS...
9th Apr 2014, 17:18
Replies: 11,831
Views: 24,345,687
Posted By mm_flynn

I thought it was the 'boring' work of ongoing...

I thought it was the 'boring' work of ongoing detail analysis of the Inmarsat data coupled with more refined analysis of 777 performance characteristics that fit to the pattern of known arcs and...
3rd Apr 2014, 17:30
Replies: 11,831
Views: 24,345,687
Posted By mm_flynn

My understanding of the two measurements is 1...

My understanding of the two measurements is
1 Doppler - which is a measure of the frequency shift of the Aircraft signal when received at this earth station and is dependent on the accuracy of the...
22nd Mar 2014, 12:18
Replies: 11,831
Views: 24,345,687
Posted By mm_flynn

The 'high quality' Google images are from...

The 'high quality' Google images are from aircraft not satellites. If you look at GE images in the outback you will see the resolution of the civil satellite images.

On the question of Ping...
Showing results 1 to 15 of 15


 
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