Program Services
![Jack Townshend conducting a magnetic survey of an airport.](https://webarchive.library.unt.edu/eot2008/20080916010109im_/http://geomag.usgs.gov/images/Townsend-airport.jpg)
The Geomagnetism Group provides services to other governmental, academic, and private communities.
Calibration Services
- Declination-inclination magnetomers (DIM)
- Transit magnetometers
- Compass-calibration test sets with certificates
Consultation Services
- Advice on purchase of magnetic instruments and data-acquisition systems
- Installation of magnetic instrumentation
- Decontamination of magnetic facilities and acquisition packages
Compass Rose Surveys
- Certified surveys conducted anywhere in the western hemisphere
Contact
Carol A Finn
Geomagnetism Group Leader
cafinn@usgs.gov