CA998458A - Satellite antenna autotrack system permitting error signals to appear at the earth station - Google Patents

Satellite antenna autotrack system permitting error signals to appear at the earth station

Info

Publication number
CA998458A
CA998458A CA133,675A CA133675A CA998458A CA 998458 A CA998458 A CA 998458A CA 133675 A CA133675 A CA 133675A CA 998458 A CA998458 A CA 998458A
Authority
CA
Canada
Prior art keywords
appear
error signals
earth station
satellite antenna
system permitting
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
CA133,675A
Other versions
CA133675S (en
Inventor
Ernest J. Wilkinson
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.)
Comsat Corp
Original Assignee
Comsat Corp
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 Comsat Corp filed Critical Comsat Corp
Application granted granted Critical
Publication of CA998458A publication Critical patent/CA998458A/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
    • G01S3/146—Systems for determining direction or deviation from predetermined direction by comparing linear polarisation components
CA133,675A 1971-02-11 1972-02-01 Satellite antenna autotrack system permitting error signals to appear at the earth station Expired CA998458A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11445171A 1971-02-11 1971-02-11

Publications (1)

Publication Number Publication Date
CA998458A true CA998458A (en) 1976-10-12

Family

ID=22355292

Family Applications (1)

Application Number Title Priority Date Filing Date
CA133,675A Expired CA998458A (en) 1971-02-11 1972-02-01 Satellite antenna autotrack system permitting error signals to appear at the earth station

Country Status (6)

Country Link
US (1) US3772701A (en)
AU (1) AU457885B2 (en)
CA (1) CA998458A (en)
FR (1) FR2125394B1 (en)
GB (1) GB1352085A (en)
IT (1) IT949052B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9608716B1 (en) 2016-04-06 2017-03-28 Space Systems/Loral, Llc Satellite transmit antenna ground-based pointing

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2092827B1 (en) * 1970-06-23 1976-03-19 Electronique Appliquee
NL7712216A (en) * 1977-11-07 1979-05-09 Hollandse Signaalapparaten Bv MONOPULS RADAR DEVICE.
US4630058A (en) * 1982-02-26 1986-12-16 Rca Corporation Satellite communication system
US4599619A (en) * 1982-07-13 1986-07-08 Rca Corporation Satellite dual antenna pointing system
US4785302A (en) * 1985-10-30 1988-11-15 Capetronic (Bsr) Ltd. Automatic polarization control system for TVRO receivers
US4801940A (en) * 1985-10-30 1989-01-31 Capetronic (Bsr) Ltd. Satellite seeking system for earth-station antennas for TVRO systems
US5187805A (en) * 1989-10-02 1993-02-16 Motorola, Inc. Telemetry, tracking and control for satellite cellular communication systems
US5347286A (en) * 1992-02-13 1994-09-13 Trimble Navigation Limited Automatic antenna pointing system based on global positioning system (GPS) attitude information
US5296861A (en) * 1992-11-13 1994-03-22 Trimble Navigation Limited Method and apparatus for maximum likelihood estimation direct integer search in differential carrier phase attitude determination systems
FR2760569B1 (en) * 1997-03-04 1999-04-09 Alsthom Cge Alcatel ANTENNA FOR TRANSMITTING AND / OR RECEIVING SIGNALS WITH RECTILINEAR POLARIZATION
US6337658B1 (en) * 1999-11-30 2002-01-08 Nortel Networks Limited Transmit antenna alignment peak search method and apparatus
US6417803B1 (en) * 2001-04-03 2002-07-09 The Boeing Company Beam alignment system and method for an antenna
AU2002303571A1 (en) * 2002-04-30 2003-11-17 The Boeing Company Beam alignment methods for an antenna
FR3001550B1 (en) 2013-01-31 2015-02-06 Eutelsat Sa DATA COLLECTION DEVICE AND METHOD FOR LOCATING AN INTERFERENCE SOURCE
US9853356B2 (en) * 2013-09-26 2017-12-26 Orbital Sciences Corporation Ground-based satellite antenna pointing system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534364A (en) * 1966-09-12 1970-10-13 Bell Telephone Labor Inc Attitude sensing system
FR1574060A (en) * 1968-04-09 1969-07-11

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9608716B1 (en) 2016-04-06 2017-03-28 Space Systems/Loral, Llc Satellite transmit antenna ground-based pointing

Also Published As

Publication number Publication date
FR2125394A1 (en) 1972-09-29
IT949052B (en) 1973-06-11
FR2125394B1 (en) 1977-03-18
US3772701A (en) 1973-11-13
AU457885B2 (en) 1975-02-13
AU3879072A (en) 1973-08-16
GB1352085A (en) 1974-05-15

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