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Re: Flight path maps

Subject: Re: Flight path maps
From: "Curt Olson" flipov411
Date: Wed Apr 8, 2009 7:03 pm ((PDT))
Justin wrote:

> Does anyone know any website for seeing the flight paths of all the
> aeroplanes in an area, on a map? I tried searching through google
> map, but couldn't find anything, nor elsewhere.
>
> I was disappointed on my first recording trip to hear aeroplanes
> every few minutes! Literally about every 3 minutes for a while.
> Other than that, the place was very quiet, with lovely natural
> sounds. Though I've been told they have less in the morning, I think
> perhaps I should be searching another area. A map would be most
> instructive. (I'm in the Kanto area of Japan by the way).
>
> I did manage to find this map of airports (a horrific number of them!)
> http://www.mapstars.com/map-countries/asia/japan/map-airports-
> japan.htm
> But without the actual flight paths it doesn't tell me much.

In the US there is:

http://flightaware.com/

Using it I've figured out that the aircraft that spoiled this
otherwise pristine recording last spring...

http://www.trackseventeen.com/soundblog/x080522g-loons_jet.mp3

...was probably a westbound flight between either NY or Boston and
Seattle. Eastbound flights between Seattle and NY or Boston usually
seem to be routed across Minnesota about 100 miles to the south.

> On a slightly different topic, if one did come into my recording, is
> there any hope of removing it while keeping the rest of the sound?
> (I mean, remove those frequencies, not just cut out that part in
> time). If so, what software would I use (Mac)?

Like Rob said, the sound is too broadband to be removed. A couple
weeks ago I heard a valiant attempt to do exactly that in a recording
very similar to the one above. The software used was a new Beta
version of SoundSoap Pro. It removed a lot of the unwanted jet noise,
but did too much damage to what was left. Not an acceptable tradeoff,
IMO.

Interestingly, I've found that in quiet locations, a jet overflight
will last about 8 minutes from the first hint of it to when it's gone.

Curt Olson






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