We are presently assembling the inventory of instruments and services available for collaborative research organized by type:

• Magnetotelluric (terrestrial and marine)
• Controlled source (terrestrial and marine)
• Transient/time-domain
• DC resistivity
• Induced polarization
• Ground-penetrating radar

Please use the navigation sidebar on left to select the category you'd like to view. Within each category you can find entries for instruments available for wide use by NSF-supported National Facilities (instrument pools), by laboratories interesting in sharing their instruments, and by commercial contractors.

If you would like to make instruments or services available in these or other categories of EM geophysics and related fields, please contact the OpenEM.org administrator.