The most vulnerable earth segment component was found to be the earth station network, which incorporates both earth station and noc vulnerabilities. Eutelsat earth stations registration documentation. In the earlier days of operators deploying international telephony carriers over satellites, operators adhered to the intelsat earth station standards iess, ensuring compatibility among communications. It is the first satellite of the epic ng service, and covers north america and latin america from the 50 west longitude, where it replaced intelsat 1r. Under this scenario, a receiving earth station cannot properly demodulate and or decode the friendly signal due to the degraded receive signaltonoise ratio snr. Today there are numerous mss frequency allocations below 1 ghz in the itu radio regulations and more mss allocations between 1 and 3 ghz many of these allocations having been made at. Depending on the receive antenna size, its efficiency and the frequency band used. Direct comparisons of european primary and secondary.
Each of the three largest communications satellite makershughes. Sun interference background satellitebased communication is affected by sun interference which is caused by the sun passing directly behind a geostationary satellite as seen from a receiving earth station, see figure 1. Automatic or manual steering shall be capable of changing the antenna pointing. Intelsat business service, satellite tv and antenna system in accordance with intelsat earth station standards. Intelsat earth station standards iess document iess101. The propagator uses an algorithm documented in intelsat earth station standards iess iess412 rev. The concept of geostationary satellite communications systems is generally credited to the futurist arthur c. Compliant with fcc, asiasat, intelsat, eutelsat, itu and more. In the earlier days of operators deploying international telephony carriers over satellites, operators adhered to the intelsat earth station standards. Ssog210 earth station verifcation tests document center. Intelsat earth station standards outline performance characteristics and specifications. This exact scenario was created on the intelsat is29e satellite and mitigation techniques to counter it were tested. The forward link, defined as the transmission between the earth station to the various user terminals, operates in a broadcast mode while the return link, from the user terminal back to the earth station, requires the use of a multiple access scheme in order to share the limited frequency spectrum between the multiple user terminals.
Recent listings manufacturer directory get instant insight into any electronic component. Federal communication commission list of grandfathered fss earth stations 1 state city latitude longitude nad file number licensee ca livermore 374540. Intelsat earth station standards iess document iess310. The earth station at svalbard was the first commercial earth station worldwide, operating with an elevation angle less than 3 degrees. Approval of an earth station in the category of standard c, e or k will only be. Sec filings as a requirement issued by the securities and exchange commission sec, the form 6k and the form 20f are required submissions for foreign private issuers of securities listed on exchanges in the united states.
It incorporates ultra, polarized combining network. International cooperation and competition in civilian. The intelsat earth station standards iess are published by intelsat to provide. Meets standards set by fcc, intelsat, asiasat, eutelsat, itu and others. Intelsat and ses are conducting a detailed and comprehensive empirical study to assess the impact of 5g compatibility between fss downlink and 5g. Intelsat earth station standards iess document iess308. This document comes with our free notification service, good for the life of the document. Iess 308309 identifies the maximum allowable phase noise levels as shown in table 2. Approval of an earth station in an intelsat standard category will only be. Eutelsat publishes similar standards and requirements, such as the eutelsat earth station standards eess. Federal communication commission list of grandfathered fss. It also replaced intelsat 805 which was moved from 56. Iess 310 datasheet, cross reference, circuit and application notes in pdf format.
For example, intelsat publishes the intelsat earth station standards iess which, among other things, classifies ground stations by the capabilities of their parabolic antennas, and preapproves certain antenna models. Clarke wrote an article in 1945 stating that communications signals could be transmitted to and from earth by a relay station launched into orbit at a distance of about 22,300 miles 36,000 kilometers above the earths. The intelsat earth station standards outline the performance characteristics and specifications required of all earth stations communicating with our satellites, plus other modulation and access technique information. Introduction this document describes a method by which earth station operators may compute the pointing direction from any earth station to any selected intelsat owned or operated spacecraft. Instead, intelsat now provides the parameters necessary for an earth station to compute its own pointing angles. Intelsat earth station standards iess document iess309. This certificate does not authorize the operation of the earth station in the intelsat satellite system and is intended only as a formal notification to the manufacturer that intelsat has determined, on the basis of data submitted by the manufacturer, that earth stations of the type identified herein meet the standards for use with the intelsat. Automatic or manual steering should be compatible with geostationary satellites at orbital.
European telecommunications standards institute 1997. Intelsat earth station standards iess the intelsat earth station standards outline the performance characteristics and specifications required of all earth stations communicating with our satellites, plus other modulation and access technique information. Earth stations on the move esompsesvs on the move earth station shall be approved on a case by case basis. July 1995 1 scope this european telecommunications standards institute etsi technical report etr has been produced in order to define the technical bases for regulation tbrs that are needed for inclusion in common technical regulations ctrs to be applied under the satellite earth station directive 9397eec 1. Eirp stability mandatory the eirp in the direction of the satellite shall, except under adverse weather conditions, be maintained. Intelsat earth station standards iess document iess601.
Intelsat earth station standards iess document iess309 rev. Intelsat earth station standards iess document iess207. Telecommunications intelsat privatization and the implementation of the orbit act in 2000, the congress passed the openmarket reorganization for the betterment of international telecommunications act orbit act to help promote a more competitive global satellite services market. Smarter timing solutions large earth stations host communication systems that provide missioncritical, highbandwidth services to multiple customers. The orbit act called for the full privatization of intelsat. Etsi tcses is responsible for producing standards for all types of satellite communication services including fixed, mobile and broadcasting and for all types of earth station equipment. Test information tests to be performed test dates 01 mar 2001 contact name gain over temperature timeutc 12. The investor relations website contains information about intelsats business for stockholders, potential investors, and financial analysts. Ground station wikimili, the best wikipedia reader. Earth segment vulnerabilities include rf jamming, deliberate physical attack, and internet connection vulnerabilities.
The eutelsat earth station code identifies univocally the earth station and in particular, allows the control and monitoring of its access to the eutelsat space segment. Intelsat kuband earth station standards iess standards c, e and k 14 and 1112 ghz frequency bands 1. All documents are in adobe pdf format, except where indicated. This handbook has been prepared under intelsats assistance and development program iadp. This is a technical document intended for earth station engineers, technicians, and operators responsible for the operation and maintenance of the radyne dmd remote operations. The earth station shall be capable of changing the transmitted power in a range of at least 15db. This paper describes how such a transition was accomplished for the intelsat vi series with respect to the intelsat vva compatibility mode, earth station tracking requirements, and operation.
Intelsat 29e, also known as is29e was a high throughput geostationary communications satellite designed and manufactured by boeing on the bss702mp platform. Iess by module group all documents are in adobe pdf format, except where indicated. Intelsat ix, standard e1, f1, h and k vsat earth stations. Therefore, the user may need to modify the earth station before permission is given to operate it with satellites seen at elevation. We operate the worlds largest satellite services business, providing a critical layer in the global communications infrastructure. Smarter timing solutions white paper satellite communication.
Intelsat international telecommunication satellite consortium is the largest system operation in the world. Intelsat earth station standards iess308, 309, 310, and 315. Within these earth stations are many frequencybased devices with independent local oscillators that generate and convert carrier frequencies, and modulate and demodulate data. Standard a, b, c, e and f earth stations on intelsat vii, viii and ix. Intelsat earth station standards iess document iess. All of the information contained in these iess documents are considered proprietary and confidential to intelsat global service corporation and its affiliates. Eutelsat typeapproval is granted to antennas that have demonstrated full compliance with the eutelsat earth station standard m eess 502 refers. Federal communication commission list of grandfathered. The intelsat earth station standards iess are published by intelsat to provide users with a common source of reference for the performance characteristics. Federal communications commission da 11437 before the. This handbook lists all the esvs earth stations on vessels typeapproved or characterized by eutelsat.
The 11parameter propagator models geostationary satellites using 11parameter files. Earth station technology this handbook is used as a reference for courses on earth station communications technology organized under the intelsat signatory training program istp. It is also used as a reference handbook for courses on earth station communications technology organized under the intelsat signatory training program istp. Harmonized standards etsi tc ses contributes directly to the deployment of satellite networks by producing a wide range of the harmonized standards. Intelsat earth station standards iess document iess412. Acrobats portable document format pdf from intelsats web site. Intelsat will, on an exceptional basis, continue to provide pointing data when difficulties would be experienced by curre nt stations with the revised approach, pending resolution of. Federal communications commission da 11437 before the federal communications commission washington, d. Existing standard d earth stations must meet the requirements contained in iess207 rev. If a user wishes an earth station to interoperate with an intelsat satellite, that earth station must meet certain standard requirements established by intelsat. For example, intelsat publishes the intelsat earth station standards iess which, among other things, classifies earth stations by the capabilities of their parabolic antennas, and preapproves certain antenna models.
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