ZA707568B - Improvements in or relating to receivers for phase comparison radio navigation systems - Google Patents

Improvements in or relating to receivers for phase comparison radio navigation systems

Info

Publication number
ZA707568B
ZA707568B ZA707568A ZA707568A ZA707568B ZA 707568 B ZA707568 B ZA 707568B ZA 707568 A ZA707568 A ZA 707568A ZA 707568 A ZA707568 A ZA 707568A ZA 707568 B ZA707568 B ZA 707568B
Authority
ZA
South Africa
Prior art keywords
receivers
relating
phase comparison
navigation systems
radio navigation
Prior art date
Application number
ZA707568A
Other languages
English (en)
Inventor
D Hughes
Original Assignee
Decca 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 Decca Ltd filed Critical Decca Ltd
Publication of ZA707568B publication Critical patent/ZA707568B/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
    • 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
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
    • G01S1/306—Analogous systems in which frequency-related signals (harmonics) are compared in phase, e.g. DECCA systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
ZA707568A 1969-11-10 1970-11-09 Improvements in or relating to receivers for phase comparison radio navigation systems ZA707568B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5497269 1969-11-10

Publications (1)

Publication Number Publication Date
ZA707568B true ZA707568B (en) 1972-06-28

Family

ID=10472605

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA707568A ZA707568B (en) 1969-11-10 1970-11-09 Improvements in or relating to receivers for phase comparison radio navigation systems

Country Status (14)

Country Link
US (1) US3705403A (de)
JP (1) JPS4936795B1 (de)
AR (1) AR194921A1 (de)
CA (1) CA943218A (de)
DE (1) DE2055278C3 (de)
DK (1) DK132245C (de)
ES (1) ES385378A1 (de)
FR (1) FR2067076B1 (de)
GB (1) GB1308149A (de)
MY (1) MY7600239A (de)
NL (1) NL159506B (de)
NO (1) NO129421B (de)
SE (1) SE359654B (de)
ZA (1) ZA707568B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1468017A (en) * 1973-11-16 1977-03-23 Decca Ltd Phase comparison radio navigation systems
DE3001014C2 (de) * 1980-01-12 1982-06-24 Južnoe proizvodstvennoe ob"edinenie po morskim geologorazvedočnym rabotam "Južmorgeologija", Gelendžik, Krasnodarskogo kraja Elektronischer Digitalanzeigeempfänger für das Decca-Funknavigationssystem
US4398198A (en) * 1980-10-28 1983-08-09 Del Norte Technology, Inc. Pulse-hyperbolic location system using three passive beacon measurements
US4675684A (en) * 1983-10-20 1987-06-23 John P. Ohl Distance measuring receiver system and method
US8645117B2 (en) * 2010-05-27 2014-02-04 Freescale Semiconductor, Inc. Clock simulation device and methods thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3214759A (en) * 1962-04-19 1965-10-26 Seismograph Service Corp Apparatus for providing lane identifi, cation in hyperbolic position finding systems
FR1357721A (fr) * 1963-02-26 1964-04-10 Csf Procédé de mesure de phase

Also Published As

Publication number Publication date
US3705403A (en) 1972-12-05
AR194921A1 (es) 1973-08-30
NO129421B (de) 1974-04-08
FR2067076B1 (de) 1976-09-03
JPS4936795B1 (de) 1974-10-03
SE359654B (de) 1973-09-03
NL7016440A (de) 1971-05-12
MY7600239A (en) 1976-12-31
DE2055278C3 (de) 1975-10-09
FR2067076A1 (de) 1971-08-13
CA943218A (en) 1974-03-05
GB1308149A (en) 1973-02-21
DK132245B (da) 1975-11-10
ES385378A1 (es) 1973-04-16
DE2055278A1 (de) 1971-05-27
DK132245C (da) 1976-04-12
NL159506B (nl) 1979-02-15
DE2055278B2 (de) 1975-03-13

Similar Documents

Publication Publication Date Title
ZA707567B (en) Improvements in or relating to receivers for phase comparison radio navigation systems
CA944048A (en) Radio navigation system
ZA707568B (en) Improvements in or relating to receivers for phase comparison radio navigation systems
CA920699A (en) Radio navigation system
MY7600238A (en) Improvements in or relating to receivers for phase comparison radio navigation systems
ZA707566B (en) Improvements in or relating to receivers for phase comparison radio navigation systems
AU437787B2 (en) Improvements in or relating to receivers for phase comparison radio navigation systems
AU438056B2 (en) Improvements in or relating to receivers for phase comparison radio navigation systems
AU2205270A (en) Improvements in or relating to receivers for phase comparison radio navigation systems
AU438094B2 (en) Improvements in or relating to receivers for phase comparison radio navigation systems
AU436108B2 (en) Improvements in or relating to receivers for phase comparison radio navigation systems
AU2205870A (en) Improvements in or relating to receivers for phase comparison radio navigation systems
ZA708482B (en) Improvements relating to roof supporting systems
AU417125B2 (en) Improvements in or relating to phase comparison radio navigation systems
CA949178A (en) Radio navigation system
AU4238868A (en) Improvements in or relating to phase comparison radio navigation systems
ZA703945B (en) Improvements in or relating to interpolation systems for use in radio receivers or transmitters
AU419040B2 (en) Improvements in or relating to navigation aiding radio receivers
AU275400B2 (en) Improvements in or relating to radio navigation systems
AU3826468A (en) Improvements in or relating to navigation aiding radio receivers
AU451769B2 (en) Improvements in or relating to carrier frequency systems
AU6243965A (en) Improvements in or relating to radio navigation systems
AU2021670A (en) Improvements in or relating to carrier frequency systems
CA886723A (en) Tuning systems for superheterodyne receivers
CA879360A (en) Receivers for phase comparison radio navigation systems