Radio frequency propagation model

Early ITU model

The ITU vegetation model is a radio propagation model that estimates the path loss encountered due to the presence of one or more trees inside a point to point telecommunication link. The predictions found from this model is congruent to those found from Weissberger’s modified exponential decay model in low frequencies. (Wikipedia).

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1951 UNIVAC 1 Computer Basic System Components First Mass Produced Computer in U.S.

An educational overview of the 1951 UNIVAC 1 showing many basic components. Intro segment includes higher quality images than are contained in the original 1953 film. The 1953 film begins at index 5:52, followed by brief photo gallery. UNIVAC was the first mass produced business comput

From playlist Computer History: UNIVAC, Remington Rand, Sperry Rand

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DEFCON 20: World War 3.0: Chaos, Control & the Battle for the Net

Panel: OSHUA CORMAN DIRECTOR OF SECURITY INTELLIGENCE, AKAMAI TECHNOLOGIES DAN KAMINSKY JEFF MOSS FOUNDER, DEF CON AND BLACK HAT ROD BECKSTROM MICHAEL JOSEPH GROSS AUTHOR OF THE VANITY FAIR ARTICLE 'A DECLARATION OF CYBER-WAR', MODERATOR There is a battle under way for control of the Int

From playlist DEFCON 20

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Art Quiz #5

Art Quiz #5

From playlist Art Quizzes

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ENIAC: Computer History 1946 "Behind the Scenes" Commentary, Trivia, History, Film Restoration

Just for fun, a brief “Behind the Scenes” look at what we did to restore the original 1946 film, plus some “Outtakes,” Commentary, History and a bit of Trivia. Hope you enjoy! ENIAC was the first large scale, general purpose, programmable electronic digital computer. {See links below

From playlist Computer History: ENIAC 1944-1946: Origin and History of a Giant Brain

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22C3: WSIS - The Review

Speakers: Robert Guerra, Markus Beckedahl, Ralf Bendrath Hacking a Dictatorship Der zweite World Summit on the Information Society (WSIS) findet im November in Tunis statt. Die beiden beherrschenden Themen Internet Governance und Financing Mechanism sind nicht besonders spannend. Allerd

From playlist 22C3: Private Investigations

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MATLAB and Simulink Student Design Challenge

This is our project based on the image processing.

From playlist MATLAB and Simulink Student Challenge 2013 Entries

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First Construction (in Metal)

Written in 1939. Utilizes all metal instruments. A masterpiece.

From playlist experimental classical

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The Apple II - Apple's most important computer

I grew up with the Apple II - it was my first ever computer. I'm an old-school Apple guy. In this video I give a basic introduction to the Apple II system and its internal competition with the Mac before showing off my own personal IIc and IIGS. This video ended up a little more serious th

From playlist Early Microcomputers & PCs

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Vintage RADIO Telecommunications HAM, Teletype, Telex, Telephone, Computer Electronics, 1966

Vintage RADIO Telecommunications HAM, Teletype, Telex, Telephone, Computer Electronics, 1966. A Rare film by the "INTERNATIONAL TELECOMMUNICATION UNION" highlights the origins of the ITU and shows a wide array of TELECOM, RADIO, TELEPHONE and ELECTRONICS EQUIPMENT. History of Radio and T

From playlist Vintage Television & Radio Technology, film restoration, film preservation, scanning and digitization

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Google Internet Summit 2009: Standards Session

Google Internet Summit 2009: The State of the Internet May 5, 2009 Google Internet Summit 2009 Internet Standards Session. Panelists include Zaheda Bhorat,Tony Rutkowski, John Klensin, Tina Dam, Erik Kline. On May 5 and 6, 2009, in Mountain View, we brought together Googlers and le

From playlist Google Intenet Summit 2009

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MSM Conference 2010 Part 3 -- Aaron Roome, M.P.H, Ph.D.

Sponsored by the Center for Interdisciplinary Research on AIDS at Yale University, the Connecticut AIDS Resource Coalition and the Connecticut Department of Public Health, this June 4, 2010 conference aimed to build agency capacity to implement interventions and reduce new infections among

From playlist Center for Interdisciplinary Research on AIDS

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26C3: SCCP hacking, attacking the SS7 & SIGTRAN 4/6

Full title: SCCP hacking, attacking the SS7 & SIGTRAN applications one step further and mapping the phone system Clip 4/6 Speakers: Philippe Langlois, Vanessa Brunet Back to the good old Blue Box? SS7 is like TCP/IP in the 1990s. It used to be quite a secure network because nobo

From playlist 26C3: Here be dragons day 2

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DEFCON 13: The Internets March of Folly

Speaker: Paul Vixie For more information visit: http://bit.ly/defcon13_information To download the video visit: http://bit.ly/defcon13_videos

From playlist DEFCON 13

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Speech and Audio Processing 4: Speech Coding I - Professor E. Ambikairajah

Speech and Audio Processing Speech Coding - Lecture notes available from: http://eemedia.ee.unsw.edu.au/contents/elec9344/LectureNotes/

From playlist ELEC9344 Speech and Audio Processing by Prof. Ambikairajah

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What Is ITOps | IT Operations Management | ITOps Best Practices | DevOps Training | Edureka

🔥Edureka DevOps Training: https://www.edureka.co/devops-certification-training/ This Edureka "What is ITOps" gives you a complete overview of what is ITOps and why do we need it. You will learn the differences between ITOps vs DevOps. The following topics are covered in the What is ITOps v

From playlist DevOps Training Videos

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5G: What's behind the next generation of mobile communications

Learn how MATLAB® and Simulink® help you develop 5G wireless systems, including new digital, RF, and antenna array technologies that enable the ambitious performance goals of the new mobile communications standard. In this talk, Graham demonstrates tools and techniques for designing and t

From playlist Designing 5G New Radio (NR) compliant systems

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Ancient Computer | NOVA

A Greek shipwreck holds the remains of an intricate bronze machine that turns out to be the world's first computer. Aired April 3, 2013 on PBS

From playlist Previews

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Bridging the quality divide in internet provision with competition-enhancing regulation

About the speaker Lourdes Montenegro Montenegro is currently a PhD candidate at the Lee Kuan Yew School of Public Policy, National University of Singapore where she is undertaking dissertation research on the regulation of network industries, with a focus on internet interconnection and

From playlist Data and inequality

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International Space Station Assembly

This annotated animation details the assembly of the International Space Station, from the launch of the first segment in 1998 to today and beyond. HD download link: https://archive.org/details/International-Space-Station-Assembly

From playlist Space Construction

Related pages

Weissberger's model | Frequency | Decibel