GB1551526A - Direction finding - Google Patents

Direction finding

Info

Publication number
GB1551526A
GB1551526A GB1814577A GB1814577A GB1551526A GB 1551526 A GB1551526 A GB 1551526A GB 1814577 A GB1814577 A GB 1814577A GB 1814577 A GB1814577 A GB 1814577A GB 1551526 A GB1551526 A GB 1551526A
Authority
GB
United Kingdom
Prior art keywords
direction finding
finding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1814577A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RACAL Ltd
Original Assignee
RACAL Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RACAL Ltd filed Critical RACAL Ltd
Priority to GB1814577A priority Critical patent/GB1551526A/en
Publication of GB1551526A publication Critical patent/GB1551526A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
GB1814577A 1978-02-16 1978-02-16 Direction finding Expired GB1551526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1814577A GB1551526A (en) 1978-02-16 1978-02-16 Direction finding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1814577A GB1551526A (en) 1978-02-16 1978-02-16 Direction finding

Publications (1)

Publication Number Publication Date
GB1551526A true GB1551526A (en) 1979-08-30

Family

ID=10107426

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1814577A Expired GB1551526A (en) 1978-02-16 1978-02-16 Direction finding

Country Status (1)

Country Link
GB (1) GB1551526A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4489327A (en) * 1981-03-24 1984-12-18 Racal Communications Equipment Limited Direction finding
GB2155269A (en) * 1983-09-20 1985-09-18 Marconi Co Ltd 2-channel modulated T D M radar receivers
US4626859A (en) * 1983-10-07 1986-12-02 Racal Research Limited Direction finding systems
CN116165599A (en) * 2023-04-24 2023-05-26 武汉能钠智能装备技术股份有限公司四川省成都市分公司 Ultrashort wave direction finding system and integrated ultrashort wave direction finding equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4489327A (en) * 1981-03-24 1984-12-18 Racal Communications Equipment Limited Direction finding
GB2155269A (en) * 1983-09-20 1985-09-18 Marconi Co Ltd 2-channel modulated T D M radar receivers
US4626859A (en) * 1983-10-07 1986-12-02 Racal Research Limited Direction finding systems
CN116165599A (en) * 2023-04-24 2023-05-26 武汉能钠智能装备技术股份有限公司四川省成都市分公司 Ultrashort wave direction finding system and integrated ultrashort wave direction finding equipment
CN116165599B (en) * 2023-04-24 2023-06-27 武汉能钠智能装备技术股份有限公司四川省成都市分公司 Ultrashort wave direction finding system and integrated ultrashort wave direction finding equipment

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee