Thread: Re: Another example of the advantages of filtering

Started: 2007-04-05 03:28:12
Last activity: 2007-04-05 03:28:12
Topics: IRIS EPO
John or Jan Lahr
Re: Another example of the advantages of filtering
2007-04-05 03:28:12
Apparently Alan's site is blocked by some school filters! If so, you
can see Alan's records on this page as well.

http://jclahr.com/science/psn/as1/filtering/index.html

Cheers,
John

At 08:46 AM 4/4/2007, you wrote:
Earlier John Lahr showed how filtering can make it easy to detect
earthquakes. Here's another example.

Check out the two images. They show three earthquakes in the last 24 hours.

http://home.stny.rr.com/alanjones/ASNoFilter.jpghttp://home.stny.rr.com/alanjones/ASNoFilter.jpg
http://home.stny.rr.com/alanjones/ASFilter.jpg

The filtering is the same as John Lahr commonly uses. You can hardly
see the earthquakes until you turn on the filtering.




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