Afilias Limited Address: Contact Information Redacted Email: Contact Information Redacted
Total Page:16
File Type:pdf, Size:1020Kb
Load more
Recommended publications
-
Antique Radio Classified
ANTIQUE RADIO CLASSIFIED VOLUME 3 AUGUST 19E6 NUMBER 8 • QUAKER OATS CRYSTAL SET From the collection of Randall Renne - Dixon, IL THE NATIONAL PUBLICATION FOR BUYERS AND SELLERS OF OLD RADIOS AND RELATED ITEMS - PUBLISHED MONTHLY ANTIQUE RADIO CLASSIFIED Publishing Details Classified Ads Each subscriber is entitled to one 20 word classified ad Antique Radio Classified lUSPS 735-0901 is free of charge per issue. Additional words over the limit published monthly. 12 times yearly. at a suoscrip- are 10C per word. Multiple insertions of same ad are tion rate of $18.00 per year Second Class and discouraged. This is to allow for a varied ad content in each issue. Multiple insertion ads for more than $24.00 First Class mailing rates, by G.B.S. Enter- 2 issues must be run as a display ad. All ads must be prises, 9511 Sunrise Blvd.. 8.1-23. Cleveland, Ohio printed neatly and be received by the 8th of the month 44133. (216) 582-3094. before next issue. See classified ad details elsewhere Second-class postage paid at Cleveland, OH. in this issue. Publisher and Editor Gary B. Schneider. POSTMASTER: Send address changes to address Payment above. Copyright 1986... Antique Radio Classified All ads must be paid for in advance. Make checks payable to Antique Radio Classified. Purpose Antique Radio Classified is published for people in- Subscription Rate volved in the radio collecting hobby. Its purpose is to Subscriptions are available on a yearly basis. $18.00 stimulate growth of the hobby thru the buying, selling. per year Second Class and $24.00 First Class mailing and trading of radios and related items. -
National Register of Historic Places Registration Form
_______________________ _____________________________________ En’, IWJI ‘III ‘" 11fl4-XIIH Il,. S-ki United States Department of the Interior NatiQnai Park Service National Register of Historic Places Registration Form 1. Name of Property Instorir name Massje Wireless Station other n;uneAsite number ‘ ‘ Pt]-’ 2. bntion street & nuinber 1300 Frenchtown Road not for publication: citxtown: East Greenwich viciuit N/A state: RI toil ntv Ken Msle: 0 0 3 ZIp isle: 02 8 1 8 3. Classificafion Ownership of Pms’rty: Private Tategorv of Piopertv: Building Nu mnber of flesoiLrtes with] ii Property: - Ton t riInit ii ig No ii 0 nt rihuli ng htHldilgs sites structures objects 1 p Total Number of toiitnhimting res4imrees previously listed in time National Ihgister Name ol related immumltiple property listiuig N/A ___________________________________________________________________ ______________ _______________________________________________________________________________________________________________________ _________________________ USDIiNPS Yil[fl Registration Form Page 2 Property name Nassie Wireless Station, Kent Cty. , East Greenwich, RI 4. StatelFederal Agency Certification As the tlt’signated authority under time National ii istonc Preservation Act of 1986, as amnendeil, I hereby certify that this_x_ nonminatiomi request for tleternii nat ion of eligibility meets the documnemitation standards for registermg pmoiwiies in the Nationi I Register of ii istoric Places and meets the procedural amid professional requ irenien ts set forth in 36 CFI1 Pa.rt. 60. In mmiv opi mm ion, tIme property J nieets does not meet the National Register Cr term. - See continuation sheet. 1. ‘ Gc Signature of certifying official Date State or Feil era I agency a mid himmriLil En umy op i iii u m, the i11 pe rtv meets ltfl’s mot uieet tIme Nat immII legister t-ri te ii a. -
The Stage Is Set
The Stage Is Set: Developments before 1900 Leading to Practical Wireless Communication Darrel T. Emerson National Radio Astronomy Observatory1, 949 N. Cherry Avenue, Tucson, AZ 85721 In 1909, Guglielmo Marconi and Carl Ferdinand Braun were awarded the Nobel Prize in Physics "in recognition of their contributions to the development of wireless telegraphy." In the Nobel Prize Presentation Speech by the President of the Royal Swedish Academy of Sciences [1], tribute was first paid to the earlier theorists and experimentalists. “It was Faraday with his unique penetrating power of mind, who first suspected a close connection between the phenomena of light and electricity, and it was Maxwell who transformed his bold concepts and thoughts into mathematical language, and finally, it was Hertz who through his classical experiments showed that the new ideas as to the nature of electricity and light had a real basis in fact.” These and many other scientists set the stage for the rapid development of wireless communication starting in the last decade of the 19th century. I. INTRODUCTION A key factor in the development of wireless communication, as opposed to pure research into the science of electromagnetic waves and phenomena, was simply the motivation to make it work. More than anyone else, Marconi was to provide that. However, for the possibility of wireless communication to be treated as a serious possibility in the first place and for it to be able to develop, there had to be an adequate theoretical and technological background. Electromagnetic theory, itself based on earlier experiment and theory, had to be sufficiently developed that 1. -
From Early Trade and Communication Networks to the Internet, the Internet of Things and the Global Intelligent Machine (GIM)
Advances in Historical Studies, 2019, 8, 1-23 http://www.scirp.org/journal/ahs ISSN Online: 2327-0446 ISSN Print: 2327-0438 From Early Trade and Communication Networks to the Internet, the Internet of Things and the Global Intelligent Machine (GIM) Teun Koetsier Department of Mathematics, Faculty of Science, VU University, Amsterdam, The Netherlands How to cite this paper: Koetsier, T. Abstract (2019). From Early Trade and Communi- cation Networks to the Internet, the Inter- The present paper offers a sketch of the history of networks from the Stone net of Things and the Global Intelligent Age until the present. I argue that man is a creator of networks, a homo reti- Machine (GIM). Advances in Historical culorum. Over the course of time more and more networks were created and Studies, 8, 1-23. https://doi.org/10.4236/cm.2019.81001 they have become increasingly technologized. It seems inevitable that they will all be incorporated in the successor of the Internet of Things, the Global Received: December 21, 2018 Intelligent Machine (GIM). Accepted: January 29, 2019 Published: February 1, 2019 Keywords Copyright © 2019 by author(s) and History of Networks, Global Intelligent Machine Scientific Research Publishing Inc. This work is licensed under the Creative Commons Attribution International License (CC BY 4.0). 1. Introduction http://creativecommons.org/licenses/by/4.0/ Open Access Although we nowadays also use the word tool in a more general sense, tools and machines are traditionally physical devices invented to perform a task. They have a material existence and they operate on the basis of the laws of physics. -
Two Final Threats to Live Performance!
News From VHSource, LLC Vol 9 September 2012 Two Final threats to Live Performance! could sell more beer and spirits if they provided Birth of Radio and Television additional entertainment for the men of the town by rom the beginning of time until the 1890s, live featuring a piano player and girls performance was the only choice to be made by (dancers/singers/whatever). Women had their pianos Fan individual looking to be “entertained” or “up in the parlor, their quilting/sewing bees as well as lifted” or “removed from everyday life.” Such a choice community dances. was totally dependent on where you lived and your financial condition. The Greeks had their theatre and It was during the Industrial Revolution (1750-1850) dance which all who lived nearby were free to attend. that humans in general began to seek “fun” as an The Romans had their chariot races and gladiator actual goal. See, VHS newsletter, Vol 5 May 2011 games in any town large enough to have a “Circus or “Mankind Learns to Play” for a greater in-depth look at Colosseum” (as such arenas were called) also free to this phenomenon. By the 1830s, the American working those living nearby. Through all of time, the more or middle classes who could afford a low ticket price wealth you had, the better your seat. saw an increase in local rudimentary theatres/performance spaces where the tours of Outside of the two great classical cultures, the lower minstrel troupes, dramatic plays, or even the classes had free fun with a community dance or occasional full orchestra (The Thomas Orchestra – gathering. -
A Cursory Historical Overview on the Evolution of Wireless Communications
A Cursory Historical Overview on the Evolution of Wireless Communications Magdalena Salazar-Palma*, Senior Member, IEEE, and Tapan K. Sarkar**, Fellow, IEEE *Signal Theory and Communications Department, Universidad Carlos III de Madrid, Spain, e-mail: [email protected] ** Electrical Engineering and Computer Science Department, Syracuse University, USA, e-mail: [email protected] Abstract — This presentation offers a historical overview on also demonstrated that inductive loading of the circuit the evolution of field theory for wireless communications. improved its performance. In 1855 French engineer Jean- Index Terms — History, wireless, radio, communications. Mothée Gaugain studied the rectifying action between two metal balls in an evacuated chamber, producing the first I. INTRODUCTION Electric Valve. In 1861, Scottish physicist and mathematician, James Electricity and magnetism are as old as human civilization. Clerk Maxwell (Fig. 4), the father of electrical engineering, The Chinese navigated the Indian Ocean using magnetite wrote to British scientist Michael Faraday (Fig. 4), indicating floating on mercury, around 1000 BC. The Baghdad battery that he has vindicated his theory on action at a distance and have (Fig. 1) was radio carbon dated to 250 BC, long before the reached the conclusion that light was electromagnetic in nature Italian physicist Alessandro Giuseppe Antonio Anastasio using dimensional analysis. Maxwell could still be called the Count Volta (Fig. 1) constructed his pile in 1799. During the father of electrical engineering and the greatest scientist of the seventeen and the eighteen century a number of experiments last century even if he would have not done any work on and inventions were carried out by scientists all over the electromagnetic theory! He provided a general methodology world. -
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 ELECTRONIC FRONTIER FOUNDATION CINDY COHN (145997) Ci
Case 3:06-cv-00672-VRW Document 294-1 Filed 07/05/2006 Page 1 of 173 1 ELECTRONIC FRONTIER FOUNDATION CINDY COHN (145997) 2 [email protected] LEE TIEN (148216) 3 [email protected] KURT OPSAHL (191303) 4 [email protected] KEVIN S. BANKSTON (217026) 5 [email protected] CORYNNE MCSHERRY (221504) 6 [email protected] JAMES S. TYRE (083117) 7 [email protected] 454 Shotwell Street 8 San Francisco, CA 94110 Telephone: 415/436-9333 9 415/436-9993 (fax) 10 TRABER & VOORHEES LAW OFFICE OF RICHARD R. WIEBE BERT VOORHEES (137623) RICHARD R. WIEBE (121156) 11 [email protected] [email protected] THERESA M. TRABER (116305) 425 California Street, Suite 2025 12 [email protected] San Francisco, CA 94104 128 North Fair Oaks Avenue, Suite 204 Telephone: 415/433-3200 13 Pasadena, CA 91103 415/433-6382 (fax) Telephone: 626/585-9611 14 626/ 577-7079 (fax) 15 Attorneys for Plaintiffs 16 [Additional counsel appear on signature page.] 17 18 UNITED STATES DISTRICT COURT 19 FOR THE NORTHERN DISTRICT OF CALIFORNIA 20 TASH HEPTING, GREGORY HICKS, ) No. C-06-0672-VRW CAROLYN JEWEL and ERIK KNUTZEN, on ) 21 Behalf of Themselves and All Others Similarly ) CLASS ACTION ) Situated,, 22 ) EXHIBITS A-K, Q-T, AND V-Y TO ) 23 Plaintiffs, ) DECLARATION OF J. SCOTT MARCUS ) IN SUPPORT OF PLAINTIFFS’ 24 v. ) MOTION FOR PRELIMINARY ) INJUNCTION 25 AT&T CORP., et al., ) ) Date: June 8, 2006 26 Defendants. ) Courtroom: 6, 17th Floor ) Judge: Hon. Vaughn Walker 27 28 EXHIBITS TO DECLARATION OF MARCUS IN SUPPORT OF C-06-0672-VRW PLAINTIFFS’ MOTION FOR PRELIMINARY INJUNCTION Case 3:06-cv-00672-VRW Document 294-1 Filed 07/05/2006 Page 2 of 173 Exhibit A Case 3:06-cv-00672-VRW Document 294-1 Filed 07/05/2006 Page 3 of 173 CV – J. -
Adv. Communication Lab 6Th Sem E&C
TH ADV. COMMUNICATION LAB 6 SEM E&C • the line-coded signal can directly be put on a transmission line, in the form of variations of the voltage or current (often using differential signaling). • the line-coded signal (the "base-band signal") undergoes further pulse shaping (to reduce its frequency bandwidth) LINE CODING and then modulated (to shift its frequency bandwidth) to create the "RF signal" that can be sent through free space. Line coding consists of representing the digital signal to be • the line-coded signal can be used to turn on and off a light transported by an amplitude- and time-discrete signal that is in Free Space Optics, most commonly infrared remote optimally tuned for the specific properties of the physical channel control. (and of the receiving equipment). The waveform pattern of • the line-coded signal can be printed on paper to create a voltage or current used to represent the 1s and 0s of a digital bar code. data on a transmission link is called line encoding. The common • the line-coded signal can be converted to a magnetized types of line encoding are unipolar, polar, bipolar and spots on a hard drive or tape drive. Manchester encoding. • the line-coded signal can be converted to a pits on optical For reliable clock recovery at the receiver, one usually imposes a disc. maximum run length constraint on the generated channel Unfortunately, most long-distance communication sequence, i.e. the maximum number of consecutive ones or channels cannot transport a DC component. The DC zeros is bounded to a reasonable number. -
Radiocomunicação
DANE AVANZI SÃO PAULO 2013 DEDICATÓRIA Dedico este livro a meu pai, Dary Bonomi Avanzi. Começou sua carreira como radiotelegrafista de es- trada de ferro e está na ativa até hoje, atualizado e renovado a cada dia. Fundador do Grupo Avanzi, me prescreveu na prática cotidiana os ensinamentos que ora compartilho com os leitores deste livro. Ensina como um mestre. Presto homenagem também a dois monumentos das telecomunicações brasileiras: Padre Roberto Landell de Moura, o inventor do rádio, e Cândido Mariano da Silva Rondon, o marechal dos sertões. O espírito desbravador une meus três homenageados. Sou fascinado pela história dos Bandeirantes. Mas só recentemente descobri que a data consagrada aos heróis paulistas é 14 de novembro. O dia em que nasceu meu pai. Nada é por acaso. 1 Índice 2 3 4 5 6 7 8 9 10 11 12 História Telégrafo, Telex e cabo submarino Conceitos de radiocomunicação Radiocomunicação convencional Periféricos as estrelas ocultas Conceitos importantes Sistemas de radiocomunicação Tecnologia digital Radiocomunicação digital: a nova fronteira Tecnologia wireless Sustentabilidade e meio ambiente Demandas do mercado de radiocomunicação Normas reguladoras 6 PREFÁCIO Após muitos anos no setor de telecomunicações, testemunho o sur- gimento de uma obra inédita e útil aos profissionais deste segmento, assim como a alunos e professores de cursos técnicos. O livro nos conduz a uma viagem dos primórdios aos avanços da tecnologia que suporta o complexo de telecomunicação brasileiro. Estimo que no Brasil exista um número expressivo de usuários desses serviços, considerando pessoas físicas, empresas de todos os portes e os mais variados segmentos empresariais, como taxistas, transportadores aéreos e terrestres. -
Short Wave Radio
Short Wave Radio A Working Electronic Sculpture Honoring the History of Radio Please note: This radio picks up short wave stations, but for your best satisfaction it will require a little time and attention, both to learn how to operate it and to appreciate the principles and history that it embodies. You’ll find bare-bones instructions on this page and more details inside the notebook. To turn the radio on, rotate the volume control clockwise until you hear a click, then set its dial to 3 or 4. If the radio was not already turned on, you’ll have to wait about 30 seconds for its vacuum tubes to warm up. •Put on the headphones. •Set the radio’s other controls as follows: •RF Gain: Fully clockwise. •Preselector: 1 •Tuning: 20 •Fine Tuning: 5.0 (This works like a clock, only with ten “hours” instead of 12) •Regeneration: 7 (Or advance slowly clockwise from zero until just after the point you hear a louder hiss in the headphones.) •Volume: Set to a comfortable level, usually about 4. Now, slowly adjust the TUNING control back and forth looking for squeals that indicate signals. (The shortwave broadcast band with 31 meter wavelength is located between about 10 and 30 on the dial.) You’ll should find a few unless ionospheric conditions are particularly poor on this day. Leave the TUNING control set on a loud squeal. Then slowly adjust the FINE TUNING to “zero beat.” (You’ll notice as you move the dial across a signal, it starts with a high-pitched note, moving down to a low-pitched or zero note, then back up to high pitch again. -
Man of High Fidelity
Man of High Fidelity: EDWIN HOWARD ARMSTRONG A Biography – By Lawrence Lessing With a new forward by the author Page iii Pratt DISCLAIMER DISCLAIMER TO THIS SCANNED AND OCR PROCESSED COPY This PDF COPY is for use at Pratt Institute for Educational Purposes Only I affirm that sufficient print copies of the original Bantam Book Paperback are in stock in ARC E-08 that would more than adequately cover a full class use of the text. HOWEVER, due to the fact that the 1969 text is no longer in publication, complicated by the fact that these copies are forty-four (44) years old and in a very fragile condition, this PDF version of the text was created for student use in the Department of Mathematics and Science. - Professor Charles Rubenstein, January 2013 Man of High Fidelity: Edwin Howard Armstrong EDWIN HOWARD ARMSTRONG Was the last – and perhaps the least known – of the great American Inventors. Without his major contributions, the broadcasting industry would not be what it is today, and there would be no FM radio. But in time of mushrooming industry and mammoth corporations, the recognition of individual genius is often refused, and always minimized. This is the extraordinary true story of the discovery of high fidelity, the brilliant man and his devoted wife who battled against tremendous odds to have it adopted, and their long fight against the corporations that challenged their right to the credit and rewards. Mrs. Armstrong finally ensured that right nearly ten years after her husband’s death. Page i Cataloging Information Page This low-priced Bantam Book has been completely reset in a type face designed for easy reading, and was printed from new plates. -
Tesla's Connection to Columbia University by Dr. Kenneth L. Corum
* Tesla’s Connection to Columbia University by Kenneth L. Corum and James F. Corum, Ph.D. “The invention of the wheel was perhaps rather obvious; but the invention of an invisible wheel, made of nothing but a magnetic field, was far from obvious, and that is what we owe to Nikola Tesla.” Professor Reginald Kapp, 1956 INTRODUCTION The Electrical Engineering curriculum at Columbia University, though not the first in the US, is one of the oldest and most respected EE programs in the world. From the beginning, a conscientious effort was made to base it on a foundation of science. It has been guided by the specific philosophy stated by Professor Michael Pupin: “Professor Crocker and I maintained that there is an ‘electrical science’ which is the real soul of electrical engineering.” Arguably the most stunning and significant lecture in modern history was presented one spring evening, more than a century ago, at Columbia University. The wealth of nations turned on its merits. Weighing on the balances would be our vast cities, civilization, and quality of life. But, what was it? . .Whatever it was, its impact has been as momentous for the progress and prosperity of civilization as the invention of the wheel! . It was Tesla’s great discovery and analysis of the rotating magnetic field, and a means for the electrical distribution of energy.1 As a result of the analysis presented in this lecture, the great Falls of Niagara would soon be harnessed for the benefit of mankind and launch civilization into the “Electromagnetic Century”. The Engineering Council for Professional Development (now called ABET) has defined “Engineering” as “that profession which utilizes the resources of the planet for the benefit of mankind”.