Communications Satellites: Hearings Before the Committee on Interstate and Foreign Commerce, House of Representatives, Eighty-seventh Conress, First Session, on Establishment, Ownership, Operation, and Regulation of a Commercial Communications Satellite System ...U.S. Government Printing Office, 1962 - 711 halaman |
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Halaman 28
... receiving such transmissions directly from satellites in the near future seems remote . Special receiving stations on the earth's surface may be established to relay programs over conventional communications systems to the broadcasting ...
... receiving such transmissions directly from satellites in the near future seems remote . Special receiving stations on the earth's surface may be established to relay programs over conventional communications systems to the broadcasting ...
Halaman 31
... receiving terminal , even when using high gain antennas and parametric or maser amplifier techniques . result , the satellites ' signals at the earth's surface will not be detect- able by receivers in the fixed and mobile services ...
... receiving terminal , even when using high gain antennas and parametric or maser amplifier techniques . result , the satellites ' signals at the earth's surface will not be detect- able by receivers in the fixed and mobile services ...
Halaman 32
... receiving and transmitting earth terminals of the space system and stations of the services with which sharing is desired . Factors to be con- sidered in preventing this interference are : geographical separation , minimum permissible ...
... receiving and transmitting earth terminals of the space system and stations of the services with which sharing is desired . Factors to be con- sidered in preventing this interference are : geographical separation , minimum permissible ...
Halaman 44
... receiving terminals . Note the available power decreases as frequency increases . Figure 2 shows how antenna gain increases as either antenna physical size or operating frequency is increased . If a directive antenna is used at either ...
... receiving terminals . Note the available power decreases as frequency increases . Figure 2 shows how antenna gain increases as either antenna physical size or operating frequency is increased . If a directive antenna is used at either ...
Halaman 53
... RECEIVING ANTENNAS. AVAILABLE SIGNAL POWER - DB BELOW ONE WATT 90 100 100 METERS MINIMUM ANTENNA BEAMWIDTH.1 DEGREE 50 110 120 130 20 10 - 60 50 40 EARTH ANTENNA DIAMETER 300 METERS 200 100 COMMUNICATIONS SATELLITES 53.
... RECEIVING ANTENNAS. AVAILABLE SIGNAL POWER - DB BELOW ONE WATT 90 100 100 METERS MINIMUM ANTENNA BEAMWIDTH.1 DEGREE 50 110 120 130 20 10 - 60 50 40 EARTH ANTENNA DIAMETER 300 METERS 200 100 COMMUNICATIONS SATELLITES 53.
Istilah dan frasa umum
administrations aeronautical Aeronautical Mobile Service agencies agreement antitrust laws AVAILABLE SIGNAL POWER bandwidth basis BEAMWIDTH CHAIRMAN COLLIER communica COMMUNICATION SATELLITE SPACE communications satellite system Conference CONGRESS THE LIBRARY contract countries CRAVEN DINGELL DOMINICK EARTH ANTENNA earth terminal Earth-Space equipment established experimental FARLEY Federal Communications Commission field fixed and mobile FIXED MOBILE FLYNT frequency allocations Gc/s going Government HEMPHILL hoc committee international carriers international common carriers international communications International Telecommunications Union IRAC ISOTROPIC ANTENNA joint venture license limited LOEVINGER MACK matter Mc/s ment meteorological satellite METERS MINOW mobile bands Moss munications NASA orbit ownership participate patent present proposed public interest question radio astronomy radio spectrum RC Rec relay ROGERS of Texas satellite communications system space communication space radiocommunication space research space service space telecommunication SPRINGER statement technical Telephone tion transmission views Watt WEBB
Bagian yang populer
Halaman 4 - For the purpose of regulating interstate and foreign commerce in communication by wire and radio so as to make available, so far as possible, to all the people of the United States a rapid, efficient, Nation-wide, and worldwide wire and radio communication service with adequate facilities at reasonable charges...
Halaman 114 - Union are : a) to maintain and extend international cooperation for the improvement and rational use of telecommunication of all kinds ; b) to promote the development of technical facilities and their most efficient operation with a view to improving the efficiency of telecommunication services, increasing their usefulness and making them, so far as possible, generally available to the public ; c) to harmonize the actions of nations in the attainment of those common ends.
Halaman 341 - That the Commission hereby created shall have authority to inquire into the management of the business of all common carriers subject to the provisions of this act, and shall keep itself informed as to the manner and method in which the same is conducted...
Halaman 337 - After this section takes effect it shall be unlawful for any officer or director of any carrier subject to this Act to receive for his own benefit, directly or indirectly, any money or thing of value in respect of negotiation, hypothecation. or sale of any securities issued or to be issued by such carrier, or to share in any of the proceeds thereof, or to participate in the making or paying of any dividends of such carriers from any funds properly included in capital account.
Halaman 4 - Study new uses for radio, provide for experimental uses of frequencies, and generally encourage the larger and more effective use of radio in the public interest...
Halaman 114 - Coordinate efforts to eliminate harmful interference between radio stations of different countries and to improve the use made of the radio frequency spectrum...
Halaman 337 - ... between any place in any State, Territory, or possession of the United States or in the District of Columbia, and any place in any foreign country...
Halaman 71 - I again invite all nations to participate in a communication satellite system, in the Interest of world peace and closer brotherhood among peoples throughout the world.
Halaman 193 - NOW, THEREFORE, by virtue of the authority vested in me by the Constitution and statutes, and as President of the United States...
Halaman 336 - All laws of the United States relating to unlawful restraints and monopolies and to combinations, contracts, or agreements in restraint of trade are hereby declared to be applicable to the manufacture and sale of and to trade in radio apparatus and devices entering into or affecting interstate ov foreign commerce and to interstate or foreign radio communications.