GB1399769A - Radio guidance method - Google Patents

Radio guidance method

Info

Publication number
GB1399769A
GB1399769A GB4858973A GB4858973A GB1399769A GB 1399769 A GB1399769 A GB 1399769A GB 4858973 A GB4858973 A GB 4858973A GB 4858973 A GB4858973 A GB 4858973A GB 1399769 A GB1399769 A GB 1399769A
Authority
GB
United Kingdom
Prior art keywords
mhz
beams
signal
standard
modulation
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
GB4858973A
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.)
TULL AVIAT CORPPORATION
Original Assignee
TULL AVIAT CORPPORATION
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 US00299586A external-priority patent/US3806935A/en
Priority claimed from US00299468A external-priority patent/US3824594A/en
Application filed by TULL AVIAT CORPPORATION filed Critical TULL AVIAT CORPPORATION
Publication of GB1399769A publication Critical patent/GB1399769A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/14—Systems for determining direction or position line using amplitude comparison of signals transmitted simultaneously from antennas or antenna systems having differently oriented overlapping directivity-characteristics

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB4858973A 1970-07-13 1973-10-18 Radio guidance method Expired GB1399769A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US5451070A 1970-07-13 1970-07-13
US5445670A 1970-07-13 1970-07-13
US00299586A US3806935A (en) 1970-07-13 1972-10-20 Radio navigational aid with separate standard frequency signal
US00299468A US3824594A (en) 1972-10-20 1972-10-20 Apparatus for receiving separate standard frequencies with separate sub-bands

Publications (1)

Publication Number Publication Date
GB1399769A true GB1399769A (en) 1975-07-02

Family

ID=27489642

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4858973A Expired GB1399769A (en) 1970-07-13 1973-10-18 Radio guidance method

Country Status (5)

Country Link
CH (1) CH561426A5 (enrdf_load_stackoverflow)
DE (1) DE2352219A1 (enrdf_load_stackoverflow)
FR (2) FR2203978A2 (enrdf_load_stackoverflow)
GB (1) GB1399769A (enrdf_load_stackoverflow)
NL (1) NL7314279A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0619667B2 (ja) * 1986-10-07 1994-03-16 村田機械株式会社 検出装置

Also Published As

Publication number Publication date
NL7314279A (enrdf_load_stackoverflow) 1974-04-23
FR2257912A2 (enrdf_load_stackoverflow) 1975-08-08
FR2203978A2 (enrdf_load_stackoverflow) 1974-05-17
DE2352219A1 (de) 1974-05-02
CH561426A5 (enrdf_load_stackoverflow) 1975-04-30

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Legal Events

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