GB1566390A - Radio location - Google Patents

Radio location Download PDF

Info

Publication number
GB1566390A
GB1566390A GB1988578A GB1988578A GB1566390A GB 1566390 A GB1566390 A GB 1566390A GB 1988578 A GB1988578 A GB 1988578A GB 1988578 A GB1988578 A GB 1988578A GB 1566390 A GB1566390 A GB 1566390A
Authority
GB
United Kingdom
Prior art keywords
transponder
ssr
interrogations
reference position
replies
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
GB1988578A
Other languages
English (en)
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.)
Litchstreet Co
Original Assignee
Litchstreet Co
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
Priority claimed from US05/797,675 external-priority patent/US4115771A/en
Application filed by Litchstreet Co filed Critical Litchstreet Co
Publication of GB1566390A publication Critical patent/GB1566390A/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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/003—Bistatic radar systems; Multistatic radar systems
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
    • G01S13/781—Secondary Surveillance Radar [SSR] in general
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/12—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves by co-ordinating position lines of different shape, e.g. hyperbolic, circular, elliptical or radial

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB1988578A 1977-05-17 1978-05-16 Radio location Expired GB1566390A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/797,675 US4115771A (en) 1976-05-11 1977-05-17 Passive ATCRBS using signals of remote SSR

Publications (1)

Publication Number Publication Date
GB1566390A true GB1566390A (en) 1980-04-30

Family

ID=25171503

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1988578A Expired GB1566390A (en) 1977-05-17 1978-05-16 Radio location

Country Status (3)

Country Link
DE (1) DE2821583A1 (fr)
FR (1) FR2391475B1 (fr)
GB (1) GB1566390A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201062A (en) * 1984-10-29 1988-08-17 Toyo Communication Equip Anti collision display
GB2226730A (en) * 1988-12-28 1990-07-04 Marconi Co Ltd Location of the position of a mobile object

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4899156A (en) * 1989-07-13 1990-02-06 Litchstreet Company Virtual ATCRBS using signals of remote SSR

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1017835A (en) * 1972-12-22 1977-09-20 George B. Litchford Collison avoidance/proximity warning system using secondary radar
US3895382A (en) * 1974-01-31 1975-07-15 Litchstreet Co Method and apparatus for measuring passively range and bearing
GB1506186A (en) * 1974-08-07 1978-04-05 Litchstreet Co Distance determination using secondary surveillance radar
US4021802A (en) * 1975-07-29 1977-05-03 Litchstreet Co. Collision avoidance system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201062A (en) * 1984-10-29 1988-08-17 Toyo Communication Equip Anti collision display
GB2201062B (en) * 1984-10-29 1989-07-12 Toyo Communication Equip Airspace monitoring and warning system for an aircraft collision avoidance system
GB2226730A (en) * 1988-12-28 1990-07-04 Marconi Co Ltd Location of the position of a mobile object
GB2226730B (en) * 1988-12-28 1993-12-15 Marconi Co Ltd Location of the position of a mobile object

Also Published As

Publication number Publication date
FR2391475A1 (fr) 1978-12-15
DE2821583A1 (de) 1979-01-11
FR2391475B1 (fr) 1985-06-14

Similar Documents

Publication Publication Date Title
US4115771A (en) Passive ATCRBS using signals of remote SSR
US5198823A (en) Passive secondary surveillance radar using signals of remote SSR and multiple antennas switched in synchronism with rotation of SSR beam
US4454510A (en) Discrete address beacon, navigation and landing system (DABNLS)
US4293857A (en) Collision avoidance warning system
CA1156339A (fr) Systeme porte par satellite pour determiner la position d'un vehicule
US8130135B2 (en) Bi-static radar processing for ADS-B sensors
US3895382A (en) Method and apparatus for measuring passively range and bearing
CA1139410A (fr) Systeme de controle aeroportuaire
US5933099A (en) Collision avoidance system
US4429312A (en) Independent landing monitoring system
US6809679B2 (en) Surveillance system and method for aircraft approach and landing
JPS5932747B2 (ja) 航空交通管制用トランスポンダを用いて空港における地上交通の管制を行なう方法
EP0233273B1 (fr) Systeme d'atterrissage aux instruments
US4990921A (en) Multi-mode microwave landing system
US5239310A (en) Passive self-determined position fixing system
CA1252856A (fr) Systeme de navigation, communication et surveillance selon le principe de la telemetrie
GB1566390A (en) Radio location
USRE29260E (en) Proximity indication with range and bearing measurements
US4633251A (en) Method and apparatus for identifying radar targets
US4899156A (en) Virtual ATCRBS using signals of remote SSR
US2633568A (en) Craft identification device
US3699570A (en) Tacan ground station track and display system
Stahl et al. Evaluation of passive multi-static primary surveillance radar for operational use in civil air traffic control
RU2785810C1 (ru) Способ наблюдения за аэродромным движением и устройство для его осуществления
Orlando et al. GPS-Squitter: System Concept, Performance, and Development Program

Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19980515