Automatic Direction Finding Surveillance System

Air Force Space Command, through Patrick Space Force Base, is preparing to solicit an Automatic Direction Finding Surveillance System and seeks capability information from interested vendors by September 10, 2026. The requirement is being considered for small business set-aside under NAICS 334220 (Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing), though the government is interested in responses from any size business.

The system must feature omnidirectional antennas capable of monitoring radio frequencies from 9 kHz to 40 GHz, with integration into mobile platforms for outdoor operation. Technical specifications include minimum 100 MHz instantaneous bandwidth for real-time frequency sweeps, IQ recording functionality, automatic bearing calculation with compensation for mobile platform movement, and data integration with a mission manager database. The system shall support time difference of arrival and angle of arrival analysis for radio signal direction finding.

This is a Request for Information to conduct market research on vendor interest, capability, and socio-economic status. Interested firms must submit a capabilities package not exceeding five pages to nancy.palmer.2@spaceforce.mil and christopher.petrosky.4@spaceforce.mil by 1:00 PM Eastern on September 10, 2026. Submissions should include DUNS number, Cage Code, SAM registration expiration date, GSA contract number and expiration (if applicable), business size and status, anticipated teaming arrangements, a description of similar services to government and commercial customers, a proposed pricing schedule, and no more than three past references with contact information and contract numbers. All responding firms must be registered in SAM. The anticipated Request for Quotation number is FA2521-26-Q-B181.