ZA722859B - Channel updating system - Google Patents

Channel updating system

Info

Publication number
ZA722859B
ZA722859B ZA722859A ZA722859A ZA722859B ZA 722859 B ZA722859 B ZA 722859B ZA 722859 A ZA722859 A ZA 722859A ZA 722859 A ZA722859 A ZA 722859A ZA 722859 B ZA722859 B ZA 722859B
Authority
ZA
South Africa
Prior art keywords
updating system
channel updating
channel
updating
Prior art date
Application number
ZA722859A
Other languages
English (en)
Inventor
D Poppe
G Degaard
Original Assignee
Standard Telephones Cables 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 Standard Telephones Cables Ltd filed Critical Standard Telephones Cables Ltd
Publication of ZA722859B publication Critical patent/ZA722859B/xx

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
    • G01S3/143—Systems for determining direction or deviation from predetermined direction by vectorial combination of signals derived from differently oriented antennae

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Transmission System (AREA)
ZA722859A 1971-05-07 1972-04-28 Channel updating system ZA722859B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO1732/71A NO131561C (nl) 1971-05-07 1971-05-07

Publications (1)

Publication Number Publication Date
ZA722859B true ZA722859B (en) 1973-03-28

Family

ID=19878398

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA722859A ZA722859B (en) 1971-05-07 1972-04-28 Channel updating system

Country Status (7)

Country Link
US (1) US3778834A (nl)
DE (1) DE2220778A1 (nl)
FR (1) FR2137605B1 (nl)
GB (1) GB1379686A (nl)
NL (1) NL7206224A (nl)
NO (1) NO131561C (nl)
ZA (1) ZA722859B (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4158843A (en) * 1978-01-23 1979-06-19 The Bendix Corporation Automatic direction finder antenna preamplifier processor
US5678219A (en) * 1991-03-29 1997-10-14 E-Systems, Inc. Integrated electronic warfare antenna receiver
US10581176B2 (en) * 2016-05-10 2020-03-03 Rochester Institute Of Technology Thin-film sensor antenna

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE462410A (nl) * 1944-02-26
US2473491A (en) * 1944-02-26 1949-06-14 Hartford Nat Bank & Trust Co Direction finding device
US2607034A (en) * 1946-04-29 1952-08-12 Maxwell K Goldstein Signal generator system
BE506776A (nl) * 1950-10-30
US3028600A (en) * 1959-03-17 1962-04-03 Albert D Bailey Radio direction finding system

Also Published As

Publication number Publication date
FR2137605B1 (nl) 1977-08-26
US3778834A (en) 1973-12-11
GB1379686A (en) 1975-01-08
FR2137605A1 (nl) 1972-12-29
NO131561B (nl) 1975-03-10
DE2220778A1 (de) 1972-11-30
NO131561C (nl) 1975-06-18
NL7206224A (nl) 1972-11-09

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