http://www.iris.edu/KB en-us http://www.iris.edu/KB ActiveKB NX kbadmin@iris.washington.edu Tue, 09 Feb 2010 15:38:33 PST 20 http://www.iris.edu/KB/questions/69/ 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 ... Tim Knight Tue, 09 Feb 2010 20:47:39 GMT http://www.iris.edu/KB/questions/13/ 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 ... KnowledgeBase Admin Tue, 09 Feb 2010 18:54:25 GMT http://www.iris.edu/KB/questions/74/ Data products derived from raw data are produced both by the scientific community and the IRIS DMC. These complement the simple data products based on raw data such as event segmented waveforms, w ... Tim Knight Tue, 09 Feb 2010 17:02:27 GMT http://www.iris.edu/KB/questions/62/ As earthquake waves radiate out from the epicenter and encounter Earth's surface, they cause the ground to move. Unless the earthquake is nearby, the scale of these motions are too small and occu ... Tim Knight Tue, 09 Feb 2010 16:56:15 GMT http://www.iris.edu/KB/questions/73/ RESP files can be downloaded from IRIS DMC or generated from a dataless SEED using software tools. With a dataless SEED file, rdseed can generate a RESP file. PDCC can also write the contents ... Tim Knight Wed, 03 Feb 2010 23:55:09 GMT http://www.iris.edu/KB/questions/20/ Q: What is Restricted Data?A: An important function of the DMC is to collect data, sort it, and make it readily available to a wider research community, especially with short-term temporary experi ... Tim Knight Tue, 02 Feb 2010 17:33:43 GMT http://www.iris.edu/KB/questions/57/ UTC stands for Coordinated Universal Time.It is a time standard based on International Atomic Time (TAI) with leap seconds added at irregular intervals to compensate for variation in the Earth's r ... Tim Knight Mon, 01 Feb 2010 17:58:48 GMT http://www.iris.edu/KB/questions/72/ Earthquake Magnitude DescriptionsMagnitudes can be based on any of the following:Mw - estimates of the seismic momentMb - maximum amplitudes of teleseismic body wavesMs - surface wavesMl - local r ... Tim Knight Fri, 29 Jan 2010 23:09:19 GMT http://www.iris.edu/KB/questions/50/ 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 wit ... Tim Knight Fri, 29 Jan 2010 22:56:00 GMT http://www.iris.edu/KB/questions/19/ 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:Using BREQ_fast request and rdseedIf you are requesting y ... Tim Knight Fri, 29 Jan 2010 22:54:26 GMT