[webservices] Unreadable file format for miniseed data from web services

[Philip Crotwell]

Not sure this will help you, but I was able to read this miniseed file
with the miniseed library in the seisFile package. That doesn't mean
there isn't a problem, but might mean it is more like in qmerge or
sdrsplit than in the miniseed itself.

If you want to look, seisFile is downloadable from
http://www.seis.sc.edu/seisFile.html

Philip

On Tue, Feb 15, 2011 at 11:38 AM, Alessia Maggi
<alessia.maggi at unistra.fr> wrote:
> Dear Webservices people,
>
> I am having difficulty reading the miniseed files obtained through webservices.  I have tried several methods of obtaining the data, from straight http requests, to the Perl client scripts, to wget requests on the bulkdataselect service...
>
> Every time, the miniseed files are incorrectly formatted, so qmerge and sdrsplit refuse to work:
>
> e.g.
>
> alessia at makalu:~$ qmerge -nv IU.ANMO.00.BHZ.2010.058.06.30.00.000-2010.058.10.30.00.000.miniseed
> Error: unrecognizable input file IU.ANMO.00.BHZ.2010.058.06.30.00.000-2010.058.10.30.00.000.miniseed
>
> alessia at makalu:~$ sdrsplit -C IU.ANMO.00.BHZ.2010.058.06.30.00.000-2010.058.10.30.00.000.miniseed
> unknown header type: -1
>
> The files have an integer number of 4096 byte blocs, and seem to start with somewhat correct blocs (as far as I can tell using od -c)...
>
> Do you have any ideas?  Any help would be gratefully received!
>
> Alessia
>
> PS: I attach an example of a miniseed file obtained by clicking on the following url from the http://www.iris.edu/ws/dataselect/ webpage
>
>  http://www.iris.edu/ws/dataselect/query?net=IU&sta=ANMO&loc=00&cha=BHZ&start=2010-02-27T06:30:00.000&end=2010-02-27T10:30:00.000
>
>
>
>
>
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>