How to execute some common file conversions To uncompress a *d file (Hatanaka compressed) into a *o file (RINEX observation file): Use crx2rnx (see the Japanese Geographical Survey Institute's RNXCMP http site; crx2rnx is part of the freely available... Read More

PBO Borehole Data Access As part of the EarthScope Plate Boundary Observatory (PBO), UNAVCO has installed and maintains instruments and associated data from 79 boreholes of depths from 78 to 224 meters (256-735 ft). Instruments include strainmeters... Read More

Poster showing detailed data flow for permanent stations archived at UNAVCO, Nov. 2002.  For internal, historical use only. Download poster Read More

UNAVCO Resources: SAR Data and Services GeoEarthScope InSAR Archive As part of Earthscope's GeoEarthScope project, UNAVCO created an archive of SAR imagery, with data supplied by the European Space Agency (ESA; ERS1, ERS2, and Envisat missions) and... Read More

What are UNAVCO policies regarding data? All GNSS data collected on NSF-EAR funded projects must be submitted to  the UNAVCO Archive for long term preservation. Data distribution policy  includes free availability of all permanent station... Read More

What is a GSAC? The GPS Seamless Archive Centers are a collection of GPS data archives and their operating agencies, such as UNAVCO, who agree to exchange information about data holdings in order that users need not contact each archive separately to... Read More

What is the UNAVCO Archive? UNAVCO operates a community Archive, which provides long-term secure storage and easy retrieval of GNSS data, strain data, various derived products and related metadata. The Archive primarily stores high-precision geodetic... Read More