The Attempted Merger of Echostar and Directv (2000)
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MEOSAR & GPS 9Th Meeting of the ICG Prague, Czech Republic, November 2014
MEOSAR & GPS 9th Meeting of the ICG Prague, Czech Republic, November 2014 Dr. Lisa Mazzuca, Mission Manager Search and Rescue Office Goddard Space Flight Center Overview • Cospas-Sarsat System – Current operational infrastructure – Near-future: GNSS-enabled SAR (MEOSAR) • MEOSAR implementation timeline • SAR using – GPS – Galileo – GLONASS • MEOSAR and Return Link Service (RLS) 2 Cospas-Sarsat System Overview • Cospas-Sarsat (C-S) Program uses dedicated Search and Rescue (SAR) payloads onboard satellites to relay beacons signals to ground stations • C-S system consists of three segments: – User Segment – the emergency beacon transmitters • Marine: EPIRB (Emergency Position Indicating Radio Beacon) • Aviation: ELT (Emergency Locating Transmitter) • Land: PLB (Personal Locating Beacon) – Space Segment • LEOSAR: Low-Earth Orbit - Provides for beacon location using Doppler processing; uses Store & Forward instrument to provide global coverage • GEOSAR: Geosynchronous Orbit Performs instantaneous alerting function; no locating capability unless beacon is equipped with GNSS receiver. • MEOSAR*: Mid-Earth Orbit (GNSS) – Ground Segment – Local User Terminals (LUTs) 3 * MEO is not yet operational – early operational capability Dec 2015 MEOSAR Concept of Operations 4 MEOSAR Next generation of satellite-aided SAR • Based on the use of SAR Repeaters carried on board Global Navigation Satellite System (GNSS) satellites • GNSS constellations consist of 24 (or more) satellites Mid Earth Orbit (GPS, Galileo, GLONASS) • Provides – Multiple satellites -
Handbookhandbook Mobile-Satellite Service (MSS) Handbook
n International Telecommunication Union Mobile-satellite service (MSS) HandbookHandbook Mobile-satellite service (MSS) Handbook *00000* Edition 2002 Printed in Switzerland Geneva, 2002 ISBN 92-61-09951-3 Radiocommunication Bureau Edition 2002 THE RADIOCOMMUNICATION SECTOR OF ITU The role of the Radiocommunication Sector is to ensure the rational, equitable, efficient and economical use of the radio-frequency spectrum by all radiocommunication services, including satellite services, and carry out studies without limit of frequency range on the basis of which Recommendations are adopted. The regulatory and policy functions of the Radiocommunication Sector are performed by World and Regional Radiocommunication Conferences and Radiocommunication Assemblies supported by Study Groups. Inquiries about radiocommunication matters Please contact: ITU Radiocommunication Bureau Place des Nations CH -1211 Geneva 20 Switzerland Telephone: +41 22 730 5800 Fax: +41 22 730 5785 E-mail: [email protected] Web: www.itu.int/itu-r Placing orders for ITU publications Please note that orders cannot be taken over the telephone. They should be sent by fax or e-mail. ITU Sales and Marketing Division Place des Nations CH -1211 Geneva 20 Switzerland Telephone: +41 22 730 6141 English Telephone: +41 22 730 6142 French Telephone: +41 22 730 6143 Spanish Fax: +41 22 730 5194 Telex: 421 000 uit ch Telegram: ITU GENEVE E-mail: [email protected] The Electronic Bookshop of ITU: www.itu.int/publications ITU 2002 All rights reserved. No part of this publication may be reproduced, by any means whatsoever, without the prior written permission of ITU. International Telecommunication Union HandbookHandbook Mobile-satellite service (MSS) Radiocommunication Bureau Edition 2002 - iii - FOREWORD In today’s world, people have become increasingly mobile in both their work and play. -
Complaint : U.S. Et Al., V. Echostar Communications Corp. Et Al
IN THE UNITED STATES DISTRICT COURT FOR THE DISTRICT OF COLUMBIA ____________________________________ ) UNITED STATES OF AMERICA ) United States Department of Justice ) Antitrust Division ) 1401 H Street, N.W., Suite 8000 ) Washington, DC 20530, ) ) CASE NUMBER 1:02CV02138 STATE OF MISSOURI ) Missouri Attorney General’s Office ) JUDGE: Ellen Segal Huvelle P.O. Box 899 ) Jefferson City, MO 65102, ) DECK TYPE: Antitrust ) STATE OF ARKANSAS ) DATE STAMP: 10/31/2002 Office of the Attorney General ) Antitrust Division ) 323 Center Street, Suite 200 ) Little Rock, Arkansas 72201, ) ) STATE OF CALIFORNIA ) California Department of Justice ) Ronald Reagan Building ) 300 S. Spring St., Suite 5N ) Los Angeles, CA 90013, ) ) STATE OF CONNECTICUT ) Office of the Attorney General ) 110 Sherman Street ) Hartford, CT 06105, ) ) STATE OF HAWAII ) Department of the Attorney General ) 425 Queen Street ) Honolulu, Hawaii 96813, ) ) STATE OF IDAHO ) Office of Attorney General ) P.O. Box 83720 ) Boise, Idaho 83720-0010, ) ) STATE OF ILLINOIS ) Office of the Attorney General ) James R. Thompson Center ) 100 W. Randolph Street, 13th Floor ) Chicago, IL 60601, ) ) STATE OF IOWA ) Department of Justice ) Hoover Office Building, 2nd Floor ) Des Moines, IA 50319, ) ) COMMONWEALTH OF KENTUCKY ) 1024 Capital Center Drive ) Frankfort, KY 40601, ) ) STATE OF MAINE ) Office of the Attorney General ) 6 State House Station ) Augusta, Maine 04333, ) ) COMMONWEALTH OF ) MASSACHUSETTS ) Office of the Attorney General ) One Ashburton Place, 19th Floor ) Boston, MA 02108, ) ) STATE OF MISSISSIPPI ) P.O. Box 22947 ) Jackson, MI 39225, ) ) STATE OF MONTANA ) P.O. Box 200501 ) Helena, MT 59620-0501, ) ) STATE OF NEVADA ) Office of the Attorney General ) 1000 East William Street ) Suite 200 ) Carson City, Nevada 89701, ) ) STATE OF NEW YORK ) Office of the Attorney General ) 120 Broadway, 26C ) New York, New York 10271, ) ) STATE OF NORTH CAROLINA ) Department of Justice ) P.O. -
A Convergência Recente Entre Os Setores Brasileiros De Comunicação De Massa E De Telecomunicações: Uma Discussão João Martins Ladeira1
A convergência recente entre os setores brasileiros de comunicação de massa e de telecomunicações: uma discussão João Martins Ladeira1 Resumo Investiga-se aqui o processo recente de convergência entre setores de telecomunicações e comunicação de massa (especialmente o audiovisual), ocorrido em nosso país durante a última década. Assim, toma-se como referência a economia política da comunicação e o debate sobre a empresa em rede. Desdobramento da segunda onda de globalização no segmento audiovisual nacional, a reorganização desta indústria cultural ocorre pela presença de corporações de telecomunicações na difusão da comunicação de massa através de participação acionária em operações de televisão por assinatura. É um cenário distinto daquele no qual predominavam os oligopólios que historicamente controlaram o mercado brasileiro. O texto analisa os empreendimentos globais e as alianças estratégicas presentes na ligação entre grupos nacionais e estrangeiros, como na associação entre Globo e Telmex, na fusão entre Sky e DirecTV e no empreendimento conhecido como Vivax, posteriormente incorporado a Net. Palavras-chave Economia Política da Comunicação, Empresa em Rede, Estudos de Globalização Introdução Este artigo analisa o processo recente de convergência entre os setores de telecomunicações e de comunicação de massa (especialmente o audiovisual), ocorrido em nosso país durante a última década. Para isso, toma como referência teórica a discussão sobre economia política da comunicação (Bolaño 2004) e o debate de Castells (1996) relativo à empresa em rede. Tal investigação se associa ao esforço que busca entender a forma como se estabelecem dinâmicas de poder no interior das indústrias produtoras de bens culturais (Mosco 2009), na expectativa de compreender os enfrentamentos empreendidos pelos diversos envolvidos no processo de definição e institucionalização de modelos de exploração econômica numa economia capitalista contemporaneamente reformulada (Bolaño & Brittos 2007, Castells 1996, Moraes 1998). -
Towards Federated Satellite Systems and Internet of Satellites: the Federation Deployment Control Protocol
remote sensing Article Towards Federated Satellite Systems and Internet of Satellites: The Federation Deployment Control Protocol Joan A. Ruiz-de-Azua 1,2,3,* , Nicola Garzaniti 4 , Alessandro Golkar 4 , Anna Calveras 1 and Adriano Camps 2,3 1 Department of Network Engineering, Universitat Politècnica de Catalunya—UPC BarcelonaTech, 08034 Barcelona, Spain; [email protected] 2 Department of Signal Theory and Communications, Universitat Politècnica de Catalunya—UPC BarcelonaTech, 08034 Barcelona, Spain; [email protected] 3 Research Group in Space Science and Technologies (CTE-UPC), Institut d’Estudis Espacials de Catalunya (IEEC), 08034 Barcelona, Spain 4 Center for Entrepreneurship and Innovation, Skolkovo Institute of Science and Technology (Skoltech), 143026 Skolkovo, Russia; [email protected] (N.G.); [email protected] (A.G.) * Correspondence: [email protected] Abstract: Presently, the Earth Observation community is demanding applications that provide low latency and high downlink capabilities. An increase in downlink contacts becomes essential to meet these new requirements. The Federated Satellite Systems concept addresses this demand by promoting satellite collaborations to share unused downlink opportunities. These collaborations are established opportunistically and temporarily, posing multiple technology challenges to be implemented in-orbit. This work contributes to the definition of the Federation Deployment Control Protocol which formalizes a mechanism to fairly establish and manage these collaborations by Citation: Ruiz-de-Azua, J.A.; employing a negotiation process between the satellites. Moreover, this manuscript presents the Garzaniti, N.; Golkar, A.; Calveras, A.; results of a validation campaign of this protocol with three stratospheric balloons. In summary, more Camps, A. Towards Federated than 27 federations with 63.0% of throughput were established during the field campaign. -
The Persimmon Genome Reveals Clues to the Evolution of a Lineage- Specific Sex Determination System in Plants
bioRxiv preprint doi: https://doi.org/10.1101/628537; this version posted May 5, 2019. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission. The persimmon genome reveals clues to the evolution of a lineage- specific sex determination system in plants Short title: Evolution of sexual systems in persimmon Takashi Akagi1,2*,**, Kenta Shirasawa3, Hideki Nagasaki3, Hideki Hirakawa3, Ryutaro Tao1, Luca Comai4, Isabelle M. Henry4* 1 Laboratory of Pomology, Graduate School of Agriculture, Kyoto University 2 Japan Science and Technology Agency (JST), PRESTO, Kawaguchi-shi, Saitama 332- 0012, Japan 3 Kazusa DNA Research Institute, Kazusa-Kamatari, Kisarazu, Chiba, 292-0818, Japan 4 Genome Center and Dept. Plant Biology, University of California Davis *corresponding authors [email protected] and [email protected] **present address Graduate School of Environmental and Life Science, Okayama University, Tsushima-naka 1-1-1, Okayama, 700-8530, Japan Author contributions T.A., I.M.H. and L.C. conceived the study, T.A. and I.M.H., preponderantly designed the experiments. T.A. and K.S. performed the experiments. T.A., K.S., H.N., H.H. and I.M.H. analyzed the data. T.A. and R.T. initiated and maintained the plant materials. T.A., I.M.H. and L.C. drafted the manuscript. All authors participated in data interpretation, edited the manuscript and approved the final manuscript. 1 bioRxiv preprint doi: https://doi.org/10.1101/628537; this version posted May 5, 2019. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. -
FEDERAL COMMUNICATIONS COMMISSION Washington, D.C
Before the FEDERAL COMMUNICATIONS COMMISSION Washington, D.C. 20554 ____________________________________ ) Application of ) ) DIRECTV ENTERPRISES, LLC ) Call Sign: ) For Authorization to Launch and ) File No. SAT-LOA-_____________ Operate DIRECTV KU-76W, a ) Ku-Band Space Station, at 76.0 WL ) ____________________________________) APPLICATION FOR AUTHORIZATION TO LAUNCH AND OPERATE DIRECTV KU-76W William M. Wiltshire Michael D. Nilsson WILTSHIRE & GRANNIS LLP 1200 Eighteenth Street, N.W. Washington, DC 20036 202-730-1300 tel 202-730-1301 fax TABLE OF CONTENTS Page I. GRANT OF THIS APPLICATION WOULD SERVE THE PUBLIC INTEREST ............... 2 II. INFORMATION REQUIRED UNDER SEC. 25.114 OF THE COMMISSION’S RULES ... 3 1. Name, Address, and Telephone Number of Applicant ............................... 3 2. Name, Address, and Telephone Number of Counsel .................................. 3 3. Type of Authorization Requested ............................................................... 3 4. General Description of Overall System Facilities, Operations and Services ..................................................................................................................... 3 5. Operational Characteristics ......................................................................... 4 5.1 Frequency and Polarization Plan .................................................... 4 5.2 Communications Payload ............................................................... 5 5.2.1 Uplink Transmissions 5 5.2.2 Downlink Transmissions ....................................................................................... -
Echostar Annual Report Year Ended December 31, 2012 March 20, 2013
NASDAQ: SATS 100 Inverness Terrace East Englewood, CO 80112 303.706.4000 | echostar.com EchoStar Annual Report Year Ended December 31, 2012 March 20, 2013 Dear EchoStar Corporation Shareholders; 2012 was a very busy year for EchoStar. One of the most exciting accomplishments for 2012 was the addition of two new satellites to our growing fleet through the successful launches of EchoStar XVI and EchoStar XVII, bringing our total number of owned, leased and managed spacecraft to twenty-two. EchoStar operates the world’s fourth largest commercial geostationary satellite fleet and we continue to solidify our position as a premier global leader in satellite communications and operations. EchoStar ended 2012 with revenue of $3.1 billion, a growth of 13% over 2011. EBITDA in 2012 was $794 million, a growth of 64% over 2011. We generated a healthy $508 million of cash from operating activities in 2012 as a result primarily of the strong net income in 2012 and ended the year with a strong balance sheet with $1.5 billion of cash and marketable securities. EchoStar reached two very important long-term North America goals in 2012 with the market implementation of the HughesNet Gen4 service and the roll-out of the Hopper Whole Home DVR solution for DISH. Both solutions are garnering high praise and rapid adoption by consumers, a glowing testament to the capabilities and ingenuity of the EchoStar team. Additional notable accomplishments for 2012 include the very successful introduction of two new Slingbox retail products, several large enterprise contract renewals and new customers for Hughes data network services around the globe, and above-forecast sales of set-top-box products and video services to our established operator customers. -
Resolving Interference Issues at Satellite Ground Stations
Application Note Resolving Interference Issues at Satellite Ground Stations Introduction RF interference represents the single largest impact to robust satellite operation performance. Interference issues result in significant costs for the satellite operator due to loss of income when the signal is interrupted. Additional costs are also encountered to debug and fix communications problems. These issues also exert a price in terms of reputation for the satellite operator. According to an earlier survey by the Satellite Interference Reduction Group (SIRG), 93% of satellite operator respondents suffer from satellite interference at least once a year. More than half experience interference at least once per month, while 17% see interference continuously in their day-to-day operations. Over 500 satellite operators responded to this survey. Satellite Communications Overview Satellite earth stations form the ground segment of satellite communications. They contain one or more satellite antennas tuned to various frequency bands. Satellites are used for telephony, data, backhaul, broadcast, community antenna television (CATV), internet, and other services. Depending on the application, each satellite system may be receive only or constructed for both transmit and receive operations. A typical earth station is shown in figure 1. Figure 1. Satellite Earth Station Each satellite antenna system is composed of the antenna itself (parabola dish) along with various RF components for signal processing. The RF components comprise the satellite feed system. The feed system receives/transmits the signal from the dish to a horn antenna located on the feed network. The location of the receiver feed system can be seen in figure 2. The satellite signal is reflected from the parabolic surface and concentrated at the focus position. -
Expert Consultation on Data Formats and Procedures for Monitoring, Control and Surveillance
FI:DFP/2004/2 October 2004 E EXPERT CONSULTATION ON DATA FORMATS AND PROCEDURES FOR MONITORING, CONTROL AND SURVEILLANCE BERGEN, NORWAY 25 to 27 OCTOBER 2004 VMS REPORTING PROCEDURES 1. At the current state of the art, a fishing vessel monitoring system (VMS) is a “cooperative” system where only participating vessels are monitored. It is “cooperative” because each participating vessel must carry an operating VMS unit (transmitter or transceiver) that is capable of fixing a position (in most cases, calculating its own position and, thus, the position of the boat carrying it). An automated reporting system then controls the transmission of the position data and possibly other data via a communication system to a monitoring station. 2. The transmitter or transceiver must have an integrated means of fixing a position and, hence, calculating speed and course. The Global Positioning System (GPS) used so successfully by the fishing industry is the generally preferred method because of its high level of accuracy, availability and relatively low equipment cost. The automated reporting system achieves its purpose through a combination of computerized instructions in the transmitter and functions available in the communication system. The automated reporting system is capable of being programmed to send position reports at specified times or time intervals. 3. The communication system moves data between the shipboard equipment and the monitoring authority. This may involve the use of a satellite, but not necessarily. Many tracking applications for land based vehicles use cellular phone or HF radio. China is trialing a VMS which uses Single Side Band radio as part of the communication system, and a similar system was successfully tested in Hawaii (USA) in the early 1990s. -
Satellite Industry Association Comments in Docket No
June 7, 2021 Via E-Mail Attn: Diane Steinour National Telecommunications and Information Administration 1401 Constitution Ave NW Room 4701 Washington, DC 20230 Re: Satellite Industry Association Comments in Docket No. 210503–0097 Dear Ms. Steinour, The Satellite Industry Association (SIA)1 hereby provides its comments in the Telecommunications/ICT Development Activities, Priorities and Policies To Connect the Unconnected Worldwide in Light of the 2021 International Telecommunication Union (ITU) World Telecommunication Development Conference (WTDC–21) proceeding referenced above (hereinafter, RFC).2 SIA is a U.S.- based trade association representing the leading satellite operators, manufacturers, launch providers, and ground equipment suppliers who serve commercial, civil, and military markets. The satellite industry has a long history of supporting ICT development activities and providing connectivity to unserved and underserved communities worldwide, and fully supports the efforts of the Administration, the Department of Commerce (DOC) and the National Telecommunications and Information Administration (NTIA) in this area. 1. ICT Development Priorities a. Over the next five years, what should the U.S. government priorities be for telecommunications/ICT development? b. Are there particular areas of focus for economic development, as well as telecommunications/ICT development that might help the United States align with developing countries’ development interests? c. What are valuable venues, forums, or methods to focus this work? 1 SIA -
Vsx-Lx53 Vsx-2020-K
Operating Instructions VSX-LX53 2020-K audio/video multi-channel receiver VSX- IMPORTANT CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN The lightning flash with arrowhead symbol, CAUTION: The exclamation point within an equilateral within an equilateral triangle, is intended to TO PREVENT THE RISK OF ELECTRIC triangle is intended to alert the user to the alert the user to the presence of uninsulated SHOCK, DO NOT REMOVE COVER (OR presence of important operating and “dangerous voltage” within the product’s BACK). NO USER-SERVICEABLE PARTS maintenance (servicing) instructions in the enclosure that may be of sufficient INSIDE. REFER SERVICING TO QUALIFIED literature accompanying the appliance. magnitude to constitute a risk of electric SERVICE PERSONNEL. shock to persons. D3-4-2-1-1_A1_En Replacement and mounting of an AC plug on the power supply cord of this unit should be performed only by qualified service personnel. IMPORTANT: THE MOULDED PLUG This appliance is supplied with a moulded three pin mains plug for your safety and convenience. A 10 amp fuse is fitted in this plug. Should the fuse need to be replaced, please ensure that the replacement fuse has a rating of 10 amps and that it is approved by ASTA or BSI to BS1362. Check for the ASTA mark or the BSI mark on the body of the fuse. If the plug contains a removable fuse cover, you must ensure that it is refitted when the fuse is replaced. If you lose the fuse cover the plug must not be used until a replacement cover is obtained. A replacement fuse cover can be obtained from your local dealer.