This is a stripped down version of SEED data which only contains waveform data. There are no detailed metadata on the station instrumentation present, which can be supplied by a supplementary dataless SEED file.
Getting a MiniSEED file:
1. Submit a BREQ_FAST style request to miniseed@iris.washington.edu from your mail client. BREQ_FAST Request manual
2. Go to the BUD Tools web page and extract data from the real-time data buffers.
3. Use JWEED or VASE to download selected miniSEED data.
4. Use rdseed on an existing SEED file to extract miniseed.
5. Use the dataselect or bulkdataselect web services. The timeseries web service allows DSP conversions to be performed on the data before delivery. For more information on web services, please go here.