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# Re: Three questions for al earthwormers

- To: steve@geophys.washington.edu
- Subject: Re: Three questions for al earthwormers
- From: Phil Maechling <phil@iron.gps.caltech.edu>
- Date: Wed, 21 Jun 2000 17:36:55 -0700 (PDT)
- Cc: phil@gps.caltech.edu

    >
    > 3. A mini-seed wirter.  Notes from Alex back in winter said something about
    > Lamont contracting for a ew2mseed module.  No word about this since then.
    > Actually, much better for us than a earthworm module that needs to sit on the
    > WAVE_RING would be a stand-alone program to yank traces from waveservers and
    > write mseed files.  Any one have such?
    >
    We can get you there, but you may view it as a "long way around".
    We have a program that sits on an earthworm ring, and reads in
    earthworm packets. It reformats the packets as miniseed packets.
    Then it multicasts the packets out onto a network.
    We also have a comserv variation called mserv, which reads in multicast
    miniseed packets, and puts them into a comserv memory area.
    You can then use a standard datalog client to log the packets to
    disk. Note that what datalog produces is not miniseed, but seed
    telemetry volumes. Software (e.g. qmerge) is needed to generate
    the miniseed files you asked for.

    This reformatting into miniseed packets, transmission to mserv,
    and logging by datalog is how we are acquiring the SCSN
    analog data on TriNet. It works reasonably well. Let me know if
    it is something you'd like to look at.

    Thanks,
    Phil M.

    ____________________________________________________________

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