PSN-L Email List Message
Subject: Re: Earthworm, Winston, Swarm, PAR1CH
From: "JAMES C. ALLEN" jcallen1@...........
Date: Sat, 25 Jun 2005 18:08:42 -0700
Can you configure swarm to utilize Larry's WinSDR and/or Winquake output?
Jim
----- Original Message -----
From: "Angel"
To:
Sent: Saturday, June 25, 2005 5:35 PM
Subject: Earthworm, Winston, Swarm, PAR1CH
> Hi Everyone,
>
> One of the things I miss most since I stopped using SDR is the
> wonderful GUI and alarm features that it had. I just liked it and
> haven't found anything that even comes close until now. I stopped
> using SDR when the PSN format went from 3 to 4.
>
> I recently have been playing with Earthworm and Seiscomp. I have an
> Earthworm system that gathers data from Galapagos, Venezuela, Costa
> Rica, Mexico and Puerto Rico and I was training it to locate in near
> real time.
>
> One of the limitations to using these two free and widely used
> softwares locally is that the digitizers that they connect to cost
> more than my car. Then I stumbled across a 24 bit digitizer that had a
> "module" for Earthworm that cost $150.00. Coincidentally at the same
> time I visited the Cascade Volcano Observatory and saw a program
> called Swarm written in Java and the GUI was great! Not as nice as SDR
> and lacking many of SDR's wonderful features but certainly an
> approaching second.
>
> Now this is what I have on my current experimental system. I have an
> L4C directly into a PAR1CH 24 bit single channel digitizer (no amp
> needed for this even though for a Lehman or 4.5 Hz geophone you will
> need an amp) I get GPS time with an Oncore GT connected to one of
> Larry's boards to time stamp the PAR1CH data. The data goes into an
> Earthworm "ring" and then I use an export module to feed data to Swarm
> over TCP/IP. This means that the data acquisition computer and the
> data display computer can be joined by any internet connection, from
> your garage to your desk or from your garage to my desk. Swarm can
> take data from any earthworm server so it can display both a real data
> squiggle and a heliocorder for any number of TCP/IP connected
> stations.
>
> All this is fun in itself but what make this more exciting is that any
> of us that had good full time internet connections could share data
> real time and all the stations that had good time could be joined to
> make a huge virtual network that could locate in real time.
>
> The installation of Earthworm is not a snap but it is not hard. The
> documentation is lacking. Anyone can have very good seismic station
> without a seismograph. There are many many data streams available from
> all over the world.
>
> One of my current "BIG" projects is to join all of Central America
> observatories into Virtual network by getting every country to get at
> least one broadband to stream data in real time to anyone who want it.
>
> I would be glad to help as best I can anyone that wants to try to get
> an Earthworm/Swarm/Winston setup going. To start most any ole computer
> that runs will do. Earthworm can write data in many formats and I
> think that one of them can be read by WinQuake.
>
> By the end of the summer I hope that there will be a Seiscomp
> "plug-in" for the boards made be Mauro Mariotti so we could connect
> inexpensive 3 channel station to Earthworms. Joachim Saul of GFZ is
> getting that going.
>
> Here are some URL for what I have mentioned above. I can send anyone
> who want a screen shot of the Swarm GUI.
>
> Regards,
>
> Angel
>
>
>
>
> PARxCH digitizers available from:
> www.symres.com Kip there has been very helpful.
>
> Earthworm is available from:
> http://folkworm.ceri.memphis.edu/ew-doc/
>
> Seiscomp is available from:
> http://www.gfz-potsdam.de/geofon/new/scp.html
>
> Swarm is available from:
> http://www.stanford.edu/~dcerv/swarm/
>
> Winston:
> http://www.avo.alaska.edu/Software/
>
> Swarm and Winston are beta and Earthworm is 6.2 with 6.3 coming out
> soon. Seiscomp is work in progress.
>
>
>
>
>
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>
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>
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