What is a RESP file? [Article]
A RESP file is an ASCII representation of SEED instrument response information. Generally RESP files only contain the subset of SEED headers that represent an instrument response, they do not con
- 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
- How to request data in SAC format [Article]
User Question: I was wondering how I can request data in SAC format? In the BREQ_fast request description there is no option for SAC. Answer: Usin
- 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 and are no
- How do I use rdseed? [Article]
A: Detailed instructions for using rdseed are available in the online rdseed manual.
- Generate a Summary File Using JWEED [Article]
Q: I am enquiring after I received 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 output .
- How do I cite SAC in a publication? [Article]
How to cite SAC in a publication Goldstein, P., A. Snoke, (2005), “SAC Availability for the IRIS Community”, Incorporated Institutions for S
- Trouble installing the SAC software [Article]
Q: I am having trouble installing the SAC software. Where can I get help? A: First read the installation instructions that are included with the SAC software. If you need advice with inst
- When do you add data? [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 Wilber
- 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
- Where do I find software manuals? [Article]
Q: I need help learning software I downloaded from IRIS. Where do I find the software manuals? A: Software manuals are available online at [
- How do I get help using SAC software? [Article]
IRIS distributes the SAC software, but does not provide technical support. Please refer to the online user's manual or contact the SAC-HELP mailing list to get answers to technical questions.
- 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 response f
- 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.
