Generate a Summary File Using JWEED [Article]
Q: After receiving the SEED file that I requested, how can I add the summary file when using rdseed to extract the data? I want to add the summary file because I want the outpu
- SAC Questions [Article]
Question: Where is the SAC User Manual? Answer: http://www.iris.ed
- How do I use rdseed? [Article]
A: Detailed instructions for using rdseed are available in the online rdseed manual.
- SAC file format [Article]
A SAC formatted data file generally contains a single, contiguous segment of time-series data structured as a header section followed by floating point data values. The SAC file format can be eit
- What are the fields in a RESP file? [Article]
Notes about the meaning of RESP files were posted by Sheila Peacock to the sac-help mailing list, which follow. Meaning of numbers in rdseed RESP files Here is a sample rds
- 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
- What is the difference between assembled and customized data? [Article]
Assembled Data Some data comes to the DMC in a format other than SEED, such as SEG-Y or SAC. These data are considered "assembled" because they are unique to a project or experiment a
- How to request data in SAC format [Article]
Q: I was wondering how I can request data in SAC format? In the BREQ_FAST request description there is no option for SAC. A: You are correct in that BREQ_FAST does n
- How do I get station response information? [Article]
Station response information is part of the SEED data format and is also readily accessible in different forms from the IRIS DMC database. If you have a SEED file and wish to get stat
- In what format are the data at the DMC stored? [Article]
Almost all data stored at the DMC arrives in the well-structured SEED exchange format. Much of the PASSCAL data is also in SEED format but some are in other formats such as SEG-Y, SAC, or AH.
- How do I obtain station latitude, longitude, sensor orientation and other metada... [Article]
One method of obtaining station latitude, longitude, and sensor orientation metadata is to use the IRIS DMC Metadata Aggregator (MDA). From the network lis
- Do all SAC responses have one additional zero? [Article]
Q: I see that the instrument response in RESP and SAC file formats is slightly different in the Poles and Zeroes section. In the SAC file, there is an additional "one zero". Is the SAC res
- 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
- What is SEED? [Article]
What is SEED? The Standard for the Exchange of Earthquake Data (SEED) is an international standard format for the exchange of digital seismological data. SE
- How do I request a copy of the SAC software? [Article]
SAC (Seismic Analysis Code) is a general purpose interactive program designed for the study of sequential signals, especially timeseries data. Emphasis has been
- How do I get a list of stations? [Article]
Q: I am wondering how I can get a list of all station names from all the networks with their latitude, longitude, elevation, etc, in a text file? A: IRIS SeismiQ
- SAC-help mailing list [Article]
Q: How does one send a question to the SAC USER Group? A: About sac-help sac-help is a forum for SAC users to exchange ideas and ask question
- Where do I download software? [Article]
A: IRIS Provides Software online through the web page http://www.iris.edu/software You can navigate from this point to various ki
