Radio Morse Code from 3 to 60 Mhz (3000 to 60000 Khz)
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47 CFR §97 - Rules of the Amateur Radio Service
47 CFR §97 - Rules of the Amateur Radio Service (updated January, 2014) Subpart A—General Provisions §97.1 Basis and purpose. The rules and regulations in this part are designed to provide an amateur radio service having a fundamental purpose as expressed in the following principles: (a) Recognition and enhancement of the value of the amateur service to the public as a voluntary noncommercial communication service, particularly with respect to providing emergency communications. (b) Continuation and extension of the amateur's proven ability to contribute to the advancement of the radio art. (c) Encouragement and improvement of the amateur service through rules which provide for advancing skills in both the communication and technical phases of the art. (d) Expansion of the existing reservoir within the amateur radio service of trained operators, technicians, and electronics experts. (e) Continuation and extension of the amateur's unique ability to enhance international goodwill. §97.3 Definitions. (a) The definitions of terms used in part 97 are: (1) Amateur operator. A person named in an amateur operator/primary license station grant on the ULS consolidated licensee database to be the control operator of an amateur station. (2) Amateur radio services. The amateur service, the amateur-satellite service and the radio amateur civil emergency service. (4) Amateur service. A radiocommunication service for the purpose of self-training, intercommunication and technical investigations carried out by amateurs, that is, duly authorized persons interested in radio technique solely with a personal aim and without pecuniary interest. (5) Amateur station. A station in an amateur radio service consisting of the apparatus necessary for carrying on radiocommunications. -
Comparing Four Methods of Correcting GPS Data: DGPS, WAAS, L-Band, and Postprocessing Dick Karsky, Project Leader
United States Department of Agriculture Engineering Forest Service Technology & Development Program July 2004 0471-2307–MTDC 2200/2300/2400/3400/5100/5300/5400/ 6700/7100 Comparing Four Methods of Correcting GPS Data: DGPS, WAAS, L-Band, and Postprocessing Dick Karsky, Project Leader he global positioning system (GPS) of satellites DGPS Beacon Corrections allows persons with standard GPS receivers to know where they are with an accuracy of 5 meters The U.S. Coast Guard has installed two control centers Tor so. When more precise locations are needed, and more than 60 beacon stations along the coastal errors (table 1) in GPS data must be corrected. A waterways and in the interior United States to transmit number of ways of correcting GPS data have been DGPS correction data that can improve GPS accuracy. developed. Some can correct the data in realtime The beacon stations use marine radio beacon fre- (differential GPS and the wide area augmentation quencies to transmit correction data to the remote GPS system). Others apply the corrections after the GPS receiver. The correction data typically provides 1- to data has been collected (postprocessing). 5-meter accuracy in real time. In theory, all methods of correction should yield similar In principle, this process is quite simple. A GPS receiver results. However, because of the location of different normally calculates its position by measuring the time it reference stations, and the equipment used at those takes for a signal from a satellite to reach its position. stations, the different methods do produce different Because the GPS receiver knows exactly where results. -
47 CFR Ch. I (10–1–97 Edition) § 80.223
§ 80.223 47 CFR Ch. I (10±1±97 Edition) (3) The interval between successive able to be manually keyed. If provi- tones must not exceed 4 milliseconds; sions are made for automatically (4) The amplitude ratio of the tones transmitting the radiotelegraph alarm must be flat within 1.6 dB; signal or the radiotelegraph distress (5) The output of the device must be signal, such provisions must meet the sufficient to modulate the associated requirements in subpart F of this part. transmitter for H2B emission to at (d) Any EPIRB carried as part of a least 70 percent, and for J2B emission survival craft station must comply to within 3 dB of the rated peak enve- with the specific technical and per- lope power; formance requirements for its class (6) Light from the device must not contained in subpart V of this chapter. interfere with the safe navigation of the ship; [51 FR 31213, Sept. 2, 1986, as amended at 53 (7) After activation the device must FR 8905, Mar. 18, 1988; 53 FR 37308, Sept. 26, automatically generate the radio- 1988; 56 FR 11516, Mar. 19, 1991] telephone alarm signal for not less than 30 seconds and not more than 60 § 80.225 Requirements for selective seconds unless manually interrupted; calling equipment. (8) After generating the radio- This section specifies the require- telephone alarm signal or after manual ments for voluntary digital selective interruption the device must be imme- calling (DSC) equipment and selective diately ready to repeat the signal; calling equipment installed in ship and (9) The transmitter must be auto- coast stations. -
Flight Inspection History Written by Scott Thompson - Sacramento Flight Inspection Office (May 2008)
Flight Inspection History Written by Scott Thompson - Sacramento Flight Inspection Office (May 2008) Through the brief but brilliant span of aviation history, the United States has been at the leading edge of advancing technology, from airframe and engines to navigation aids and avionics. One key component of American aviation progress has always been the airway and navigation system that today makes all-weather transcontinental flight unremarkable and routine. From the initial, tentative efforts aimed at supporting the infant air mail service of the early 1920s and the establishment of the airline industry in the 1930s and 1940s, air navigation later guided aviation into the jet age and now looks to satellite technology for direction. Today, the U.S. Federal Aviation Administration (FAA) provides, as one of many services, the management and maintenance of the American airway system. A little-seen but still important element of that maintenance process is airborne flight inspection. Flight inspection has long been a vital part of providing a safe air transportation system. The concept is almost as old as the airways themselves. The first flight inspectors flew war surplus open-cockpit biplanes, bouncing around with airmail pilots and watching over a steadily growing airway system predicated on airway light beacons to provide navigational guidance. The advent of radio navigation brought an increased importance to the flight inspector, as his was the only platform that could evaluate the radio transmitters from where they were used: in the air. With the development of the Instrument Landing System (ILS) and the Very High Frequency Omni-directional Range (VOR), flight inspection became an essential element to verify the accuracy of the system. -
Battle Management Language: History, Employment and NATO Technical Activities
Battle Management Language: History, Employment and NATO Technical Activities Mr. Kevin Galvin Quintec Mountbatten House, Basing View, Basingstoke Hampshire, RG21 4HJ UNITED KINGDOM [email protected] ABSTRACT This paper is one of a coordinated set prepared for a NATO Modelling and Simulation Group Lecture Series in Command and Control – Simulation Interoperability (C2SIM). This paper provides an introduction to the concept and historical use and employment of Battle Management Language as they have developed, and the technical activities that were started to achieve interoperability between digitised command and control and simulation systems. 1.0 INTRODUCTION This paper provides a background to the historical employment and implementation of Battle Management Languages (BML) and the challenges that face the military forces today as they deploy digitised C2 systems and have increasingly used simulation tools to both stimulate the training of commanders and their staffs at all echelons of command. The specific areas covered within this section include the following: • The current problem space. • Historical background to the development and employment of Battle Management Languages (BML) as technology evolved to communicate within military organisations. • The challenges that NATO and nations face in C2SIM interoperation. • Strategy and Policy Statements on interoperability between C2 and simulation systems. • NATO technical activities that have been instigated to examine C2Sim interoperation. 2.0 CURRENT PROBLEM SPACE “Linking sensors, decision makers and weapon systems so that information can be translated into synchronised and overwhelming military effect at optimum tempo” (Lt Gen Sir Robert Fulton, Deputy Chief of Defence Staff, 29th May 2002) Although General Fulton made that statement in 2002 at a time when the concept of network enabled operations was being formulated by the UK and within other nations, the requirement remains extant. -
History of Radio Broadcasting in Montana
University of Montana ScholarWorks at University of Montana Graduate Student Theses, Dissertations, & Professional Papers Graduate School 1963 History of radio broadcasting in Montana Ron P. Richards The University of Montana Follow this and additional works at: https://scholarworks.umt.edu/etd Let us know how access to this document benefits ou.y Recommended Citation Richards, Ron P., "History of radio broadcasting in Montana" (1963). Graduate Student Theses, Dissertations, & Professional Papers. 5869. https://scholarworks.umt.edu/etd/5869 This Thesis is brought to you for free and open access by the Graduate School at ScholarWorks at University of Montana. It has been accepted for inclusion in Graduate Student Theses, Dissertations, & Professional Papers by an authorized administrator of ScholarWorks at University of Montana. For more information, please contact [email protected]. THE HISTORY OF RADIO BROADCASTING IN MONTANA ty RON P. RICHARDS B. A. in Journalism Montana State University, 1959 Presented in partial fulfillment of the requirements for the degree of Master of Arts in Journalism MONTANA STATE UNIVERSITY 1963 Approved by: Chairman, Board of Examiners Dean, Graduate School Date Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. UMI Number; EP36670 All rights reserved INFORMATION TO ALL USERS The quality of this reproduction is dependent upon the quality of the copy submitted. In the unlikely event that the author did not send a complete manuscript and there are missing pages, these will be noted. Also, if material had to be removed, a note will indicate the deletion. UMT Oiuartation PVUithing UMI EP36670 Published by ProQuest LLC (2013). -
General Disclaimer One Or More of the Following Statements May Affect
General Disclaimer One or more of the Following Statements may affect this Document This document has been reproduced from the best copy furnished by the organizational source. It is being released in the interest of making available as much information as possible. This document may contain data, which exceeds the sheet parameters. It was furnished in this condition by the organizational source and is the best copy available. This document may contain tone-on-tone or color graphs, charts and/or pictures, which have been reproduced in black and white. This document is paginated as submitted by the original source. Portions of this document are not fully legible due to the historical nature of some of the material. However, it is the best reproduction available from the original submission. Produced by the NASA Center for Aerospace Information (CASI) . AE (NASA-TM-74770) SATELLITES FOR DISTRESS 77-28178 ALERTING AND LOCATING; REPORT BY TNTERAG .ENCY COMMITTEE FOR SEARCH AND RESCUE !^ !I"^ U U AD HOC WORKING GROUP Final Report. ( National. Unclas Aeronautics and Space Administration) 178 p G3 / 15 41346 0" INTERAGENCY COMMITTEE FOR SEARCH AND RESCUE AD HOC WORKING GROUP REPORT ON SATELLITES FOR DISTRESS ALERTING AND LOCATING FINAL REPORT OCTOBER 1976 r^> JUL 1977 RASA STI FACIUIV INPUT 3DNUH ^;w ^^^p^112 ^3 jq7 Lltl1V797, I - , ^1^ , - I t Y I FOREWORD L I^ This report was prepared to document the work initiated by the ad hoc working group on satellites for search and rescue (SAR). The ad hoc L working group on satellites for distress alerting and locating (DAL), formed 1 in November 1975 by agreement of the Interagency Committee on Search and Rescue (ICSAR), consisted of representatives from Maritime Administration, NASA Headquarters, Goddard Space Flight Center, U.S. -
The Beginner's Handbook of Amateur Radio
FM_Laster 9/25/01 12:46 PM Page i THE BEGINNER’S HANDBOOK OF AMATEUR RADIO This page intentionally left blank. FM_Laster 9/25/01 12:46 PM Page iii THE BEGINNER’S HANDBOOK OF AMATEUR RADIO Clay Laster, W5ZPV FOURTH EDITION McGraw-Hill New York San Francisco Washington, D.C. Auckland Bogotá Caracas Lisbon London Madrid Mexico City Milan Montreal New Delhi San Juan Singapore Sydney Tokyo Toronto McGraw-Hill abc Copyright © 2001 by The McGraw-Hill Companies. All rights reserved. Manufactured in the United States of America. Except as per- mitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher. 0-07-139550-4 The material in this eBook also appears in the print version of this title: 0-07-136187-1. All trademarks are trademarks of their respective owners. Rather than put a trademark symbol after every occurrence of a trade- marked name, we use names in an editorial fashion only, and to the benefit of the trademark owner, with no intention of infringe- ment of the trademark. Where such designations appear in this book, they have been printed with initial caps. McGraw-Hill eBooks are available at special quantity discounts to use as premiums and sales promotions, or for use in corporate training programs. For more information, please contact George Hoare, Special Sales, at [email protected] or (212) 904-4069. TERMS OF USE This is a copyrighted work and The McGraw-Hill Companies, Inc. -
Atp 6-02.45 Techniques for Tactical Signal Support To
ATP 6-02.45 TECHNIQUES FOR TACTICAL SIGNAL SUPPORT TO THEATER OPERATIONS NOVEMBER 2019 DISTRIBUTION RESTRICTION: Approved for public release, distribution is unlimited. This publication supersedes FMI 6-02.45, dated 5 July 2007. Headquarters, Department of the Army This publication is available at the Army Publishing Directorate site (https://armypubs.army.mil/), and the Central Army Registry site (https://atiam.train.army.mil/catalog/dashboard). *ATP 6-02.45 Army Techniques Publication Headquarters No. 6-02.45 Department of the Army Washington, DC, 07 November 2019 Techniques for Tactical Signal Support to Theater Operations Contents Page PREFACE.................................................................................................................... iii INTRODUCTION .......................................................................................................... v Chapter 1 THE OPERATIONAL ENVIRONMENT .................................................................... 1-1 The Information Environment .................................................................................... 1-1 The Tactical Network ................................................................................................. 1-3 Chapter 2 ECHELONS ABOVE CORPS TACTICAL NETWORK ARCHITECTURE .............. 2-1 Section I –Network Architecture and Transport Capabilities ............................. 2-1 Colorless Core Architecture....................................................................................... 2-1 Network Transport Capabilities -
Recen/ED Apr261195
RECEn/ED aPR 261195 _~cc ~AA"L KB8PK KG8PE ROOM Kevin J. Grammes Mike Grammes 4530 Mohawk Tr Adrian, lVII. 49221 Secretary FCC VV~D.C.20554 OOCKET F'LE copy ORKIW. RM-8626 VVe would like to express our concern over the proposed rule change, which would eliminate the ARRL VV1AVV code practice transmissions. VVe disagree with • Mr. MaJa, the ARRL VV1AVV code transmissions provide a valuable service to the existing and prospective amateur service. VVe both support morse code as a requirement for a amateur license and the transmissions provide a real atmosphere, ie: fading , interference, noise etc., to learn to copy morse code. I KB8PK used this in 1977 when i took my first test and again this year when i upgraded to Extra. My II year old son KG8PE used this last year when he took his tests. The code transmissions are a service to the amateur conununity and i fear a • degrada1ion ifMr. Maya proposal is passed. Sincerely, Kevin J. Grammes KB8PK 44~ Mike R. Grammes KG8PE 7hJ,z.e ~~ Con -/0 A"Rl No. of CopiM rle'd 0 UdABCOE --f~?~D-- '1/1¥/fS" RECE\\JEO ~~R 't bfilS Secretary Federal Communication Commission t,~,e .... il\ll Washington, D.C. 20554 FCC L Rlj "j , I' April 19, 1995 Re: Petition Number RM-8626 from Frederick O. Maia, W,5YI DOCKET FILE COpy ORIGINAl Gentlemen: Please consider these comments in response to Petition Number RM-8626. The petition requests the elimination of the rules that permit one-way information bulletins and Morse code practice in the amateur bands below 30 MHz. -
Global Maritime Distress and Safety System (GMDSS) Handbook 2018 I CONTENTS
FOREWORD This handbook has been produced by the Australian Maritime Safety Authority (AMSA), and is intended for use on ships that are: • compulsorily equipped with GMDSS radiocommunication installations in accordance with the requirements of the International Convention for the Safety of Life at Sea Convention 1974 (SOLAS) and Commonwealth or State government marine legislation • voluntarily equipped with GMDSS radiocommunication installations. It is the recommended textbook for candidates wishing to qualify for the Australian GMDSS General Operator’s Certificate of Proficiency. This handbook replaces the tenth edition of the GMDSS Handbook published in September 2013, and has been amended to reflect: • changes to regulations adopted by the International Telecommunication Union (ITU) World Radiocommunications Conference (2015) • changes to Inmarsat services • an updated AMSA distress beacon registration form • changes to various ITU Recommendations • changes to the publications published by the ITU • developments in Man Overboard (MOB) devices • clarification of GMDSS radio log procedures • general editorial updating and improvements. Procedures outlined in the handbook are based on the ITU Radio Regulations, on radio procedures used by Australian Maritime Communications Stations and Satellite Earth Stations in the Inmarsat network. Careful observance of the procedures covered by this handbook is essential for the efficient exchange of communications in the marine radiocommunication service, particularly where safety of life at sea is concerned. Special attention should be given to those sections dealing with distress, urgency, and safety. Operators of radiocommunications equipment on vessels not equipped with GMDSS installations should refer to the Marine Radio Operators Handbook published by the Australian Maritime College, Launceston, Tasmania, Australia. No provision of this handbook or the ITU Radio Regulations prevents the use, by a ship in distress, of any means at its disposal to attract attention, make known its position and obtain help. -
Signalling and Beacon Sites in Dorset
THE DORSET DIGGER THE NEWSLETTER OF THE DORSET DIGGERS COMMUNITY ARCHAEOLOGY GROUP No 43 December 2016 Signalling and Beacon Sites in Dorset Richard Hood has kicked off this new project. He needs somemorevolunteerstohelpwith the research Introduction The ability to send or receive a message over a distance to warn of impending attack has been used to mobilise troops for defence since the Roman times. The Romans developed a system using five flags or torches to carry a simple message over short distances. This was usually used in battle to pass information out to army commanders. To carry a simple message further, a bonfire was used set on a high point, usually from a mini fort within vision of one or more other sites. This type of warning system was used during the invasion of Britain, when vexation forts could come under attack from tribes yet to be persuaded of the advantages of Roman living. Near the end of the Roman occupation signal stations were employed on the East and South coasts to warn of Saxon pirates. Roman signal stations on the NE coast of England took the form of mini forts, with a ditch and bank for defence. Black Down in Dorset, excavated by Bill Putnam and re examined by Dorset Diggers in 2016 is of this type. The Saxons appear to have had a system of inter divisible beacon sites to warn of Viking attack from the ninth century onwards. Later, beacons were erected to warn of the approach of the Spanish Armada, followed by a similar, but unused system, to warn of Napoleonic invasion.