Illustrative beam patterns of a CRPA antenna in the presence of jamming (Figure: Michael Jones) Controlled Reception Pattern Antennas (CRPAs, pronounced “serpers”) are still the single most effective counter to the threat to GNSS from jamming and spoofing — a…
The Directorate of Defense Trade Controls (DDTC) has changed the regulatory status of Controlled Reception Pattern Antennas (CRPAs) for position, navigation and timing (PNT). Starting September 2025, CRPAs will no longer be subject to the International Traffic in Arms Regulations…
