Is there a limit on the number of lines I can have in a BREQ_FAST request? Limi... [Article]
Q: Is there a limit on the number of lines I can have in a BREQ_FAST request? Limit on the size of data? A: There are a number of variables that will contribute to answerin
Accessing IRIS Data with BREQ_FAST [Article]
BREQ_FAST - Batch REQuests, FAST IRIS provides a few ways to access data using a BREQ_FAST Request: 1)
How many simultaneous ws/bulkdataselect requests can I send at one time? [Article]
Q: How many simultaneous ws/bulkdataselect requests can I send at one time? A: Our bulkdataselect web service, which provides bulk request access to miniseed data from the IRIS DMC archives,
Does IRIS support any simple ASCII data formats that contain timeseries data? [Article]
Q: Does IRIS support any simple ASCII data formats that contain timeseries data? A: Yes. IRIS now provides as an alternative output two forms of columnar
How do I go from miniSEED to SEED? [Article]
Q: I received some raw data in miniSEED format. How do I go from miniSEED to SEED? I have the station's location, elevation, and poles & zeros. A: &nb
How do I use rdseed? [Article]
A: Detailed instructions for using rdseed are available in the online rdseed manual.
What is MiniSEED? [Article]
This is a stripped down version of SEED data which only contains waveform data. There are no detailed metadata on the station instrumentation present, whic
How can I find out about IRIS Web Services? [Article]
A: A complete list of services and information can be found at the IRIS Web Services home page: http://www.iris.edu/ws
seed2db problems with new SEED volumes [Article]
Q: The Seed2db program seems to have broke as of last week on new DMC issued SEED volumes. Do you know if the new Antelope 5.0 64 bit version will fix the broken Seed2db program ?
ms2sac error for miniseed records [Article]
Q: I concatenated a bunch of miniseed records together and then ran “ms2sac” to convert them as SAC file. I got “Max slew exceeded - time series premature
Combining miniseed files [Article]
Q: I am using DHI2mseed.jar to request data from IRIS. For some stations (e.g. UALR of NM network), each miniSEED data file lasts only about a few minutes. Can we combine them as one miniS
I requested some data and got a file back that I can't read. What do I do w... [Article]
Q: I requested some data and got a file back that I can't read. What do I do with this file? A: It is first necessary to identify what kind of file this is. Look
How do I remove the instrument response from the data? [Article]
Q: How do I remove the instrument response from the data? A: Data is normally delivered to users in a raw recorded value that does not reflect the scale and characteristi
How can I request miniSEED data? [Article]
Q: What is MiniSEED data? A: MiniSEED data is a stripped down version of SEED data which only contains waveform data. There is no station and channel metadata included.
When do you add data for aftershocks? [Article]
Q: I'm looking for a Wells, NV aftershock that occurred on February 22 2008. How long does it typically take for you to post data? (I'm trying to download wave forms using
How do I get data out of a miniSEED volume? [Article]
Mini SEED volumes (waveform data records without accompanying station location and instrumentation information) need a dataless SEED volume (metadata headers containing this station information) in or...
What is a dataless SEED volume? [Article]
A dataless SEED volume contains the metadata for a request only, including instrument responses, instrument coordinates, compression type, etc.. This dataless volume can be used in combination with a ...