Penguin
The point I was trying to get across was that what you were asking for would require funding because it would be additional to and not a subtitute for what the money is currently spent on.
Re the suitablity for plotting. The only reliable plot that can ge given is a circle. The software writers know that full well. Plotting the actual shape is something they make a very good stab at but it can't be done reliably.
Try these examples, both based on real life
First one
xyz will take place in an area bounded by aN bW, cN dW, eN fW, and gN hW
No problem, plot the points and join them up.
Second one
xyz will take place within a 15nm radius of one of the following sites. The actual site to be used will be chosen on the day. aN bW, cN dW, eN fW, and gN hW
How does a computer work that out? The correct plot is either 4 circles 15nm radius centred on each of the points or a rounded polygon whose straight portions are tangents of the circles and whose corners are arcs of the circumferences. Simply join the dots and the polygon will be 15 nm inside of where it should be all the way round.
Those are just a couple of simple examples. The difficulty is that the E Line of the NOTAM, which is where this info is to be found is entirely free form so the way it is written is entirely up to the author. If he wants to put "extending over the sea for a distance of 15nm from the coast between Start Point and Berry Head" he can. Easy for a human being to visualise but tricky for a computer to interpret.
Re sites being down I suspect that the real reason why the third party sites/software failed was more to do with the way they get their data than anything else. The problem is that the data they obtain is formatted for display on a screen. If you use Internet Explorer and are looking at a screen of NOTAM you will see something like this:-
Q) EGTT/QNBAS/IV/BO/AE/000/999/5150N00119W025
FROM: 08/07/26 13:00 TO: 08/07/28 17:00 EST
E) OXFORD NDB 'OX' 367.5KHZ U/S
However if you try viewing the source of what's being displayed by clicking "View" at the top of the scren and then "Source" you'll find it looks like this
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<tr class="even">
<td width="90%" class="middle">
<div>Q) EGTT/QNBAS/IV/BO/AE/000/999/5150N00119W025</div>
<div>FROM: 08/07/26 13:00 TO: 08/07/28 17:00 EST</div>
<pre>E) OXFORD NDB 'OX' 367.5KHZ U/S</pre>
</td>
<td width="10%" class="right">L2685/08</td>
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All that stuff enclosed <like this> is formatting commands to make it look good on the page but the software writer has to strip it all out to get at the data. What's left is what appears on the screen but it also contains a load of stuff that's not part of the NOTAMs, like the headers and footers so that has to be stripped out as well. (in the example above the brief was a screen and a half but the source data covered 7 screens). Change things by producing a new look and feel to the pages and it's back to the drawing board for the authors and a delay before they have it all working again.
I've long been campaigning for a reliable feed of raw data to be made available for use by the software authors so they don't have to go through this process and that's ongoing. Getting there is dependent on winning people round and changing their views which is not something that can be done overnight. Given what's happened recently I also think it will probably be a good idea if the software authors are registered with EAD so they can be notified of changes in advance.
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