IT968901B - Sistema di comunicazione a satelli ti geo sincroni in orbite quasi equatoriali - Google Patents

Sistema di comunicazione a satelli ti geo sincroni in orbite quasi equatoriali

Info

Publication number
IT968901B
IT968901B IT30411/72A IT3041172A IT968901B IT 968901 B IT968901 B IT 968901B IT 30411/72 A IT30411/72 A IT 30411/72A IT 3041172 A IT3041172 A IT 3041172A IT 968901 B IT968901 B IT 968901B
Authority
IT
Italy
Prior art keywords
satellic
geo
synchronous
communication system
equatorial orbits
Prior art date
Application number
IT30411/72A
Other languages
English (en)
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Application granted granted Critical
Publication of IT968901B publication Critical patent/IT968901B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/19—Earth-synchronous stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00—Cosmonautic vehicles
    • B64G1/10—Artificial satellites; Systems of such satellites; Interplanetary vehicles
    • B64G1/1007—Communications satellites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00—Cosmonautic vehicles
    • B64G1/10—Artificial satellites; Systems of such satellites; Interplanetary vehicles
    • B64G1/1085—Swarms and constellations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00—Cosmonautic vehicles
    • B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
    • B64G1/24—Guiding or controlling apparatus, e.g. for attitude control
    • B64G1/242—Orbits and trajectories
    • B64G1/2425—Geosynchronous orbits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00—Cosmonautic vehicles
    • B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
    • B64G1/24—Guiding or controlling apparatus, e.g. for attitude control
    • B64G1/242—Orbits and trajectories
    • B64G1/2429—Station keeping

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
IT30411/72A 1971-10-26 1972-10-12 Sistema di comunicazione a satelli ti geo sincroni in orbite quasi equatoriali IT968901B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00192083A US3836969A (en) 1971-10-26 1971-10-26 Geo-synchronous satellites in quasi-equatorial orbits

Publications (1)

Publication Number Publication Date
IT968901B true IT968901B (it) 1974-03-20

Family

ID=22708168

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30411/72A IT968901B (it) 1971-10-26 1972-10-12 Sistema di comunicazione a satelli ti geo sincroni in orbite quasi equatoriali

Country Status (7)

Country Link
US (1) US3836969A (it)
JP (1) JPS4852317A (it)
CA (1) CA996191A (it)
DE (1) DE2252370A1 (it)
FR (1) FR2204926B1 (it)
GB (1) GB1400850A (it)
IT (1) IT968901B (it)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995801A (en) * 1974-07-05 1976-12-07 Rca Corporation Method of storing spare satellites in orbit
FR2453780A1 (fr) * 1979-04-10 1980-11-07 Aerospatiale Systeme d'observation terrestre par satellites
US4375697A (en) * 1980-09-04 1983-03-01 Hughes Aircraft Company Satellite arrangement providing effective use of the geostationary orbit
DE3145207A1 (de) * 1981-02-28 1982-09-23 Siemens AG, 1000 Berlin und 8000 München Fernmeldesatellitensystem mit geostationaeren positionsschleifen
US4776540A (en) * 1986-10-03 1988-10-11 Communications Satellite Corporation Method of orienting a synchronous satellite
CA1334292C (en) * 1986-10-06 1995-02-07 Andrew E. Turner Apogee at constant time-of-day equatorial (ace) orbit
JP2905207B2 (ja) 1988-08-31 1999-06-14 コミュニケーションズ サテライト コーポレーション 静止人工衛星を方向付ける方法
IL91529A0 (en) * 1988-10-28 1990-04-29 Motorola Inc Satellite cellular telephone and data communication system
US5199672A (en) * 1990-05-25 1993-04-06 Orbital Sciences Corporation Method and apparatus for deploying a satellite network
US5278863A (en) * 1992-04-10 1994-01-11 Cd Radio Incorporated Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites
US5574660A (en) * 1993-07-12 1996-11-12 Motorola, Inc. Communication method and apparatus
IT1261940B (it) * 1993-09-24 1996-06-04 Alenia Spazio Spa Sistema per telecomunicazioni e telerilevamento via satellite basato sull'uso di orbite eliosincrone ellittiche di breve periodo.
TW239242B (en) * 1994-03-28 1995-01-21 Leo One Ip L L C Satellite system using equatorial & polar orbit relays
KR970000658B1 (ko) * 1994-09-27 1997-01-16 현대전자산업 주식회사 초 소형 단말 지구국 통신에서의 선 트랜지트 회복 방법
US5619211A (en) * 1994-11-17 1997-04-08 Motorola, Inc. Position locating and communication system using multiple satellite constellations
US6795687B1 (en) 1998-04-06 2004-09-21 Virtual Geosatellite Llc Elliptical satellite system emulating characteristics of geosynchronous satellites during the apogee portion of an elliptical orbit
US5845206A (en) * 1995-03-24 1998-12-01 Virtual Geosatellite Holdings, Inc. Elliptical satellite system which emulates the characteristics of geosynchronous satellites
US6678519B2 (en) 1995-03-24 2004-01-13 Virtual Geosatellite, Llc Elliptical satellite system which emulates the characteristics of geosynchronous satellites
US5592471A (en) * 1995-04-21 1997-01-07 Cd Radio Inc. Mobile radio receivers using time diversity to avoid service outages in multichannel broadcast transmission systems
US5894590A (en) * 1995-07-31 1999-04-13 Motorola, Inc. Independent satellite-based communications systems sharing common frequency spectrum and method of operation thereof
US6223019B1 (en) 1996-03-14 2001-04-24 Sirius Satellite Radio Inc. Efficient high latitude service area satellite mobile broadcasting systems
US5890679A (en) * 1996-09-26 1999-04-06 Loral Aerospace Corp. Medium earth orbit communication satellite system
EP0836290A3 (en) * 1996-10-10 2000-04-19 Nortel Networks Corporation Satellite communication method using satellites on substantially circular orbit, inclined to the equatorial plane with period matching the earth period
US6023616A (en) * 1998-03-10 2000-02-08 Cd Radio Inc. Satellite broadcast receiver system
US7006788B1 (en) * 1997-12-11 2006-02-28 Dyncorp Information Systems Llc Method and system for preventing sun transit outages in point-to-multipoint satellite systems
US6135389A (en) * 1998-03-16 2000-10-24 Hughes Electronics Corporation Subterranean target steering strategy
US6128575A (en) * 1998-06-10 2000-10-03 Hughes Electrnoics Corporation Methods for accurately inserting satellite constellations into common orbit planes
US6327523B2 (en) * 1999-01-21 2001-12-04 Hughes Electronics Corporation Overhead system of inclined eccentric geosynchronous orbitting satellites
US6431496B1 (en) 1999-02-12 2002-08-13 Hughes Electronics Corporation Method and apparatus for operating satellites in orbit
AU2000279094A1 (en) * 2000-09-28 2002-04-08 Ses Astra S.A. Satellite communications system
KR20100088632A (ko) * 2007-10-18 2010-08-09 오쓰리비 네트웍스 리미티드 위성 통신을 위한 장치 및 방법
US9045239B2 (en) * 2009-01-14 2015-06-02 Space Systems/Loral, Llc Spacecraft payload orientation steering
US20130062471A1 (en) * 2010-01-14 2013-03-14 Wah L. Lim Inclined orbit satellite communication system
US10135520B2 (en) * 2015-03-13 2018-11-20 Peter Lemme System and method for communicating via a satellite in an inclined geosynchronous orbit
US10543937B2 (en) 2016-02-26 2020-01-28 Space Systems/Loral, Llc Stationkeeping techniques for spacecraft in inclined geosynchronous orbit
CN115941018B (zh) * 2022-09-30 2025-07-11 西北工业大学 一种高轨卫星区域防护的单环巡视构形设计方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706037A (en) * 1970-02-25 1972-12-12 Bell Telephone Labor Inc Communication satellite system

Also Published As

Publication number Publication date
CA996191A (en) 1976-08-31
DE2252370A1 (de) 1973-05-03
JPS4852317A (it) 1973-07-23
US3836969A (en) 1974-09-17
FR2204926B1 (it) 1978-03-03
FR2204926A1 (it) 1974-05-24
GB1400850A (en) 1975-07-16

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