Study Guide and Reference Material for Commercial Radio Operator ExaminationsU.S. Government Printing Office, 1939 |
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Чести термини и фразе
a. c. circuit adjusted aircraft ammeter amperes antenna circuit antenna current audio amplifier auto-alarm call signal cause choke class A audio class C amplifier Commission communications or signals condenser connected in series coupling crystal oscillator d. c. motor detector determine distress call distress message distress traffic Draw a diagram Draw a simple effect emission factors filament frequency amplifier stage full wave grid bias impedance input intermediate frequency lead-acid storage cell mark to request mercury vapor rectifier milliamperes mitter mobile station Name four ohms operator license oscillator oscillatory circuit permit plate circuit plate current primary purpose radio communications radio fre radio frequency amplifier radio station radio-frequency radiotelegraph radiotelegraph transmitter radiotelephone rectifier tube regenerative receiver resistance resistors resonant frequency schematic diagram showing showing a method simple schematic diagram standard broadcast standard broadcast station superheterodyne receiver tetrode tion trans transformer transmission triode urgent signal vacuum tube volts wave rectifier
Популарни одломци
Страница 76 - ... no person having received such intercepted communication or having become acquainted with the contents, substance, purport, effect, or meaning of the same or any part thereof, knowing that such information was so obtained, shall divulge or publish the existence, contents, substance, purport, effect, or meaning of the same or any part thereof, or use the same or any information therein contained for his own benefit or for the benefit of another not entitled thereto...
Страница 76 - Provided, That this section shall not apply to the receiving, divulging, publishing, or utilizing the contents of any radio communication broadcast, or transmitted by amateurs or others for the use of the general public, or relating to ships in distress.
Страница 75 - That in case any common carrier subject to the provisions of this Act shall do, cause to be done, or permit to be done, any act. matter, or thing in this Act prohibited or declared to be unlawful, or shall omit to do any act.
Страница 75 - ... no person not being authorized by the sender shall intercept any communication and divulge or publish the existence, contents, substance, purport, effect, or meaning of such intercepted communication to any person...
Страница 72 - 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...
Страница 82 - Provided, however. That logs involving communications incident to a disaster or which include communications incident to or involved in an investigation by the Commission and concerning which the licensee has...
Страница 74 - That the Commission if it shall find that the public interest, convenience, or necessity will be served thereby may waive or modify the foregoing provisions of this section for the operation of any station except (1) stations for which licensed operators are required by international agreement, (2) stations for which licensed operators are required for safety purposes, (3) stations engaged in broadcasting, and (4) stations operated as common carriers on frequencies below thirty thousand kilocycles...
Страница 79 - Stations of the mobile service which receive a distress message from a mobile station which...
Страница 72 - Territory, possession, or district; or (b) from any State, Territory, or possession of the United States, or from the District of Columbia to any other State, Territory, or possession of the United States...
Страница 75 - Any person who willfully and knowingly does or causes or suffers to be done any act, matter, or thing, in this Act prohibited or declared to be unlawful, or who willfully and knowingly omits or fails to do any act, matter, or thing in this Act required to be done, or willfully and knowingly causes or suffers such omission or failure, shall, upon conviction thereof, be punished for such offense, for which no penalty (other than a forfeiture) is provided herein, by a fine of not more than $10,000 or...