Jose Pedro R. A. Ribeiro-
theory used
12/13/2015 at 18:25 • 0 commentsCommunication Satellite Systems
- Basic concepts
- Orbit satellites
- Connections satellite
- Access to satellites
- Satellite Segment
- Ground segment
- Satellite Series
- applicationsFixed Communications (FSS Fixed Satellite Service)Broadcasting (BSS Broadcasting Satellite Service)Mobile Communications (MSS Mobile Satellite Service)- Aeronautical - Maritime - Terrestrialamateur radioNavigation (location)Earth observation and atmosphere- Weather - Remote sensingUsebusinessprivateMilitaryexperimentalscientific
- • Situação actualSatélites lançados e operacionais (Dezembro 2000)– 2 490 satélites lançados com sucesso no período de 1980-2000– 570 satélites operacionais (mínimo estimado)Organizações responsáveis– lançamento de satélites de órbita alta URSS / CEI Molniya (1960), Proton (1967) EUA Atlas (1962), Titan (1965), Delta (1972), STS-Shuttle (1981) China Longa Marcha (1975) Europa Ariane (1979) Japão NASDA (1981)– operação de sistemas operadores específicos internacionais: Intelsat, Inmarsat, Eutelsat, Astra, Iridium operadores tradicionais de redes de telecomunicações– regulamentação organismos internacionais UIT-R (Sector de Radiocomunicações) organismos nacionais Portugal - Anacomtendências gerais:globalizaçãoprivatizaçao.
- Orbit satellites themTypes of orbitsGEO (Geosynchronous Earth Orbit): circular equatorial geosynchronous orbit- Revolution period: 23 h 56 m 4.091 s- Average altitude: 35,786 kmLEO (Low Earth Orbit): circular orbit of low altitude- Typical altitude: 500 - 1500 km- Revolution period 1h 30m - 2hMEO (Medium Earth Orbit): circular orbit of average altitude- Typical altitude: 10,400 km- Revolution period of six hoursHEO (Highly Elliptical Orbit): strongly elliptical orbit- Inclined elliptical orbit- Lowland perigeenotable case: Molniya orbitPerigee: 1,000 km alt. Apogee: 39,000 km alt.period
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theory used
12/13/2015 at 18:25 • 0 commentsCommunication Satellite Systems
- Basic concepts
- Orbit satellites
- Connections satellite
- Access to satellites
- Satellite Segment
- Ground segment
- Satellite Series
applicationsFixed Communications (FSS Fixed Satellite Service)Broadcasting (BSS Broadcasting Satellite Service)Mobile Communications (MSS Mobile Satellite Service)- Aeronautical - Maritime - Terrestrialamateur radioNavigation (location)Earth observation and atmosphere- Weather - Remote sensingUsebusinessprivateMilitaryexperimentalscientific- • Situação actual Satélites lançados e operacionais (Dezembro 2000) – 2 490 satélites lançados com sucesso no período de 1980-2000 – 570 satélites operacionais (mínimo estimado) Organizações responsáveis – lançamento de satélites de órbita alta URSS / CEI Molniya (1960), Proton (1967) EUA Atlas (1962), Titan (1965), Delta (1972), STS-Shuttle (1981) China Longa Marcha (1975) Europa Ariane (1979) Japão NASDA (1981) – operação de sistemas operadores específicos internacionais: Intelsat, Inmarsat, Eutelsat, Astra, Iridium operadores tradicionais de redes de telecomunicações – regulamentação organismos internacionais UIT-R (Sector de Radiocomunicações) organismos nacionais Portugal - Anacom tendências gerais: globalização privatizaçao.
Orbit satellites themTypes of orbitsGEO (Geosynchronous Earth Orbit): circular equatorial geosynchronous orbit- Revolution period: 23 h 56 m 4.091 s- Average altitude: 35,786 kmLEO (Low Earth Orbit): circular orbit of low altitude- Typical altitude: 500 - 1500 km- Revolution period 1h 30m - 2hMEO (Medium Earth Orbit): circular orbit of average altitude- Typical altitude: 10,400 km- Revolution period of six hoursHEO (Highly Elliptical Orbit): strongly elliptical orbit- Inclined elliptical orbit- Lowland perigeenotable case: Molniya orbitPerigee: 1,000 km alt. Apogee: 39,000 km alt.period -
theory used
12/13/2015 at 18:25 • 0 commentsCommunication Satellite Systems
- Basic concepts
- Orbit satellites
- Connections satellite
- Access to satellites
- Satellite Segment
- Ground segment
- Satellite Series
applicationsFixed Communications (FSS Fixed Satellite Service)Broadcasting (BSS Broadcasting Satellite Service)Mobile Communications (MSS Mobile Satellite Service)- Aeronautical - Maritime - Terrestrialamateur radioNavigation (location)Earth observation and atmosphere- Weather - Remote sensingUsebusinessprivateMilitaryexperimentalscientific- • Situação actual Satélites lançados e operacionais (Dezembro 2000) – 2 490 satélites lançados com sucesso no período de 1980-2000 – 570 satélites operacionais (mínimo estimado) Organizações responsáveis – lançamento de satélites de órbita alta URSS / CEI Molniya (1960), Proton (1967) EUA Atlas (1962), Titan (1965), Delta (1972), STS-Shuttle (1981) China Longa Marcha (1975) Europa Ariane (1979) Japão NASDA (1981) – operação de sistemas operadores específicos internacionais: Intelsat, Inmarsat, Eutelsat, Astra, Iridium operadores tradicionais de redes de telecomunicações – regulamentação organismos internacionais UIT-R (Sector de Radiocomunicações) organismos nacionais Portugal - Anacom tendências gerais: globalização privatizaçao.
Orbit satellites themTypes of orbitsGEO (Geosynchronous Earth Orbit): circular equatorial geosynchronous orbit- Revolution period: 23 h 56 m 4.091 s- Average altitude: 35,786 kmLEO (Low Earth Orbit): circular orbit of low altitude- Typical altitude: 500 - 1500 km- Revolution period 1h 30m - 2hMEO (Medium Earth Orbit): circular orbit of average altitude- Typical altitude: 10,400 km- Revolution period of six hoursHEO (Highly Elliptical Orbit): strongly elliptical orbit- Inclined elliptical orbit- Lowland perigeenotable case: Molniya orbitPerigee: 1,000 km alt. Apogee: 39,000 km alt.period
Disabling satellite systems intruding aircraft.
All systems of satellites manufactured in the world contains critical vulnerabilities that could be exploited to stop military operations an