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Search: Posts Made By: Pontius Navigator
Showing results 1 to 35 of 141
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Forum: Rumours & News
14th Jul 2014, 13:50
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

Ian, I am a tyro there but surely the aircraft...

Ian, I am a tyro there but surely the aircraft narrow or slow connection is not a problem for the satellite companies. It must mean their uplink is slow but not a problem for the satellite.
Forum: Rumours & News
9th Jul 2014, 06:42
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

Olasek, by 'random' I implied educated rather...

Olasek, by 'random' I implied educated rather than random.

You said it would make nonsense of built-in redundancy - true, but when built-in fails then you're on your own.

Holding in a popped CB...
Forum: Rumours & News
8th Jul 2014, 21:28
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

I take issue only with this. I would agree...

I take issue only with this.
I would agree with USUALLY but in unusual circumstances where all else fails then 'random' maybe a last resort.
Forum: Rumours & News
6th Jul 2014, 11:09
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

It is easy to calculate the radar horizon given...

It is easy to calculate the radar horizon given height above ground for antenna and target.

Obvious assumptions in this case at 37,000ft (FL370) and radar at 15ft. This gives a theoretical range...
Forum: Rumours & News
29th Jun 2014, 07:41
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

I believe this has been done where the physical...

I believe this has been done where the physical controls were disabled but the autopilot worked.

I have no idea of the relevance to 777.
Forum: Rumours & News
27th Jun 2014, 07:13
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

fish Hey, it is apparent that your reading differs...

Hey, it is apparent that your reading differs from ours.

Investigators are those that will determine the possible or probable causes. There is no certainty that they will discover the certain...
Forum: Rumours & News
26th Jun 2014, 07:48
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

PolAgnostic, if my reading of diagram 18 is...

PolAgnostic, if my reading of diagram 18 is correct then you are incorrect.

The tip of the arrow and the regular spacing of the ping times are a function of graphic design and not attempting to...
Forum: Rumours & News
24th Jun 2014, 07:16
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

Hey, discussed, explained, and dismissed months...

Hey, discussed, explained, and dismissed months ago.

Cloudless, ground stations, analysis, etc.

Why should there be a public website? I am sure the coordination centre has it all recorded on as...
Forum: Rumours & News
19th Jun 2014, 18:07
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

@zooker, I think it might have been Singapore...

@zooker, I think it might have been Singapore FIR. IIRC a chart was published earlier.
Forum: Rumours & News
1st Jun 2014, 08:51
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

Propduffer, I suspected you referred to Doppler...

Propduffer, I suspected you referred to Doppler as a speed indicator; I didn't, I referred to it as a direction indicator - Doppler low to mean opening range.

olasek, in theory. In practice at...
Forum: Rumours & News
1st Jun 2014, 07:36
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

The zigzags would have had to be very consistent...

The zigzags would have had to be very consistent otherwise the arc angles would not have been uniformly spaced.

The aircraft vector in relation to the satellite will exhibit a Doppler shift or did...
Forum: Rumours & News
1st Jun 2014, 06:38
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

I did. If you knew the accurate groundspeed...

I did.

If you knew the accurate groundspeed hour by hour you will finish up with a very narrow probable track band.

As you increase the speed range you will get a wider band.

I presume from...
Forum: Rumours & News
28th May 2014, 20:17
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

I suspect a 15 wind component at 200mb level.

I suspect a 15 wind component at 200mb level.
Forum: Rumours & News
28th May 2014, 20:01
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

gritty, back to my explanation, was it below the...

gritty, back to my explanation, was it below the radar horizon in the circle and then climbed?
Forum: Rumours & News
28th May 2014, 17:11
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

As previously stated, the circle represents the...

As previously stated, the circle represents the track where no radar returns were received



I see white lines. I still see no dots.
Forum: Rumours & News
24th May 2014, 06:14
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

Machinbird, thank you, that is exactly what we...

Machinbird, thank you, that is exactly what we have been saying for weeks now until modded out each time. Even yesterday - there is no requirement for States to maintain an interceptor alert or even...
Forum: Rumours & News
14th May 2014, 20:49
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

oops, in shallow waters like the Dee, maybe. In...

oops, in shallow waters like the Dee, maybe. In deep water at just 4 degrees I imagine decomposition would be slower. Then the huge pressures would have a huge difference. Then if they were...
Forum: Rumours & News
14th May 2014, 08:28
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

Portmaneau, what I said was to explain why...

Portmaneau, what I said was to explain why arearadar essentially kept repeating the question - certain or probable.

I agree with your definition, the various facts, and lack of facts, all add up...
Forum: Rumours & News
13th May 2014, 19:39
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

The point that arearadar was alluding to (and...

The point that arearadar was alluding to (and clarified in a PM) is that the original air defence track may well have been correlated with the civair SSR flight.

At the time SSR was lost and the...
Forum: Rumours & News
13th May 2014, 17:04
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

arearadar, I thought we had established with 100%...

arearadar, I thought we had established with 100% certainty that there was no 100% guarantee that a non-squawking, non-communicative, not visually identified aircraft was MH370.

Albatross, did you...
Forum: Rumours & News
13th May 2014, 15:47
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

Belgique, interesting post although I submit a...

Belgique, interesting post although I submit a steam driven cockpit was equally vulnerable although unintended switch functioning may have been less. Many years ago I saw the results of an intense...
Forum: Rumours & News
10th May 2014, 18:46
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

OK, no attitude. Name them. Where are...

OK, no attitude.

Name them.

Where are they?
Forum: Rumours & News
9th May 2014, 07:15
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

And these tags are mobile. If the carrier of the...

And these tags are mobile. If the carrier of the tag was responsible for each located ping being in a different area then it is probable that at least two pings would have been on different,...
Forum: Rumours & News
24th Apr 2014, 09:53
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

You have asked this question before and it was...

You have asked this question before and it was answered. Many other answers to the same question have also been answered.

Given your handle you must have a pretty good idea yourself.
Forum: Rumours & News
23rd Apr 2014, 21:31
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

glen different plot. The one with the 270...

glen different plot.

The one with the 270 deg RIGHT turn was a track plot. The one to which I refer is a different radar plot and was not a simple computer plot. It first surfaced via a...
Forum: Rumours & News
23rd Apr 2014, 19:36
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

susier, how the radar plot was constructed I...

susier, how the radar plot was constructed I don't know.

If it had been a snap-shot then there would have been many different contacts shown.

Instead it was a clean plot showing a succession of...
Forum: Rumours & News
23rd Apr 2014, 08:42
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

Thinking about that screen shot. It was...

Thinking about that screen shot.

It was heavily synthesised as the only plot was that of MH370. There must have been other plots but they appear to have been suppressed.

A simple screen shot...
Forum: Rumours & News
22nd Apr 2014, 16:15
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

Define 'threat'. As far as the theatre...

Define 'threat'.

As far as the theatre tensions are concerned I imagine that the military threat was assessed as low. The Comair threat negligible. A higher military posture unnecessarily...
Forum: Rumours & News
14th Apr 2014, 20:52
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

I would expect it to be part of a scheduled...

I would expect it to be part of a scheduled maintenance period, ie picked up at the last maintenance period before the component expiry date.
Forum: Rumours & News
14th Apr 2014, 09:05
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

While the plateau is up to 6000m deep, #9930 says...

While the plateau is up to 6000m deep, #9930 says it is more likely 3500-4500
Forum: Rumours & News
7th Apr 2014, 15:05
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

Kooljack, if this is the paper to which you...

Kooljack, if this is the paper to which you refer:

https://fenix.tecnico.ulisboa.pt/downloadFile/395143172651/resumo.pdf

There is a diagram that appears to show multi-path propagation, is...
Forum: Rumours & News
7th Apr 2014, 14:55
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

Irrelevant 20-20 Hindsight

It may already be disappearing but talk of tamper proof civil air reporting systems is a total irrelevancy to MH370 - it didn't and it can't.
Forum: Rumours & News
7th Apr 2014, 14:40
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

Ie the bottom of the waterfall is the latest.

Ie the bottom of the waterfall is the latest.
Forum: Rumours & News
7th Apr 2014, 10:30
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

I mentioned the possibility of convergence zone...

I mentioned the possibility of convergence zone detections but at such high frequencies, if it does occur, I would be surprised if it extended beyond the first zone and barely conceivable to reach...
Forum: Rumours & News
7th Apr 2014, 09:04
Replies: 11,831
Views: 24,347,646
Posted By Pontius Navigator

500km is 270nms which is 311st Take your...

500km is 270nms which is 311st

Take your pick.
Showing results 1 to 35 of 141
 
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