(19)

(11)

EP 4 824 571 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24834812.0 (22) Date of filing: 13.12.2024

(51) International Patent Classification (IPC):  G01S 5/02(2010.01) G01S 19/05(2010.01) G01S 11/02(2010.01) G01S 19/00(2010.01) G01S 19/47(2010.01) (52) Cooperative Patent Classification (CPC): G01S 5/02585; G01S 19/47; G01S 19/00; G01S 5/0236; G01S 19/05; G01S 5/0249; G01S 11/02 (86) International application number: PCT/GB2024/053121 (87) International publication number: WO 2025/125827 (19.06.2025 Gazette 2025/25)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 15.12.2023 GB 202319305 (71) Applicant: Raytheon Systems Limited Essex CM17 9NA (GB)	(72) Inventor: MACLEAN, Grant Harlow Essex CM17 9NA (GB) (74) Representative: Crowell & Moring U.K. LLP  199 Bishopsgate London EC2M 3TY London EC2M 3TY (GB)