The U.S. Geological Survey is seeking information on qualified businesses capable of supplying high-precision, multi-frequency GNSS receivers for monitoring surface deformation and ground motions over timescales from seconds to years. This is a market research request for planning purposes only, not a solicitation for proposals or quotes. Responses must be submitted via email to the Contracting Officer by July 6, 2026, at 5:00 PM Eastern Time. No budget amount is specified, and the location for performance of services is not mentioned. The applicable NAICS code is 334511, with a size standard of 1,350 employees.