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40 Meter Mini-MOXON Beam Antenna At W7XA - CADXA Home

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40 Meter Mini-MOXON Beam Antenna At W7XA - CADXA Home

40 Meter Mini-MOXON Beam Antenna Designed, built, and presented by: Al Koblinski W7XA Design goals Some forward gain Good directivity (high F/B and F/S ratios ...

http://cadxa.org/LinkClick.aspx?fileticket=xncaVKN3dNQ%3d&tabid=68&mid=538

Date added: October 29, 2012 - Views: 85

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PowerPoint Presentation

P.W. Gorham et al.. TEST BEAM A SLAC Time relative to beam entry Antenna V/Vrms Time relative to beam entry Antenna V/Vrms close to shower maximum shower nearly ...

http://kicp-workshops.uchicago.edu/mw-2010/pdf/7-gorham.ppt

Date added: August 11, 2013 - Views: 2

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HELIX ANTENNAS - Chapter 70 Home

... large arrays of helix antennas for radio astronomy “the dimensions of the helix are so non-critical that the helical beam antenna ... V E3NPC Helix Antenna ...

http://qcwa70.org/HELIX%20ANTENNAS.ppt

Date added: October 19, 2011 - Views: 100

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Wire Antennas - South Canadian Amateur Radio Society (SCARS ...

... Inverted L, V-Beam, Rhombic, Beverage & so on. Antenna Characteristics The ratio at any given point on the antenna of Voltage to current is the IMPEDANCE.

http://w5nor.org/wa.ppt

Date added: June 25, 2013 - Views: 4

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The Expanded Very Large Array - NRAO: Socorro, New Mexico

Antennas in Radio Astronomy Peter Napier Outline Interferometer block diagram Antenna fundamentals Types of antennas Antenna performance parameters Receivers E.g ...

http://www.aoc.nrao.edu/events/synthesis/2004/presentations/NapierAntennas.ppt

Date added: November 18, 2011 - Views: 42

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Antennas

... half-wave dipole oriented parallel to the z axis Tuned half-wave dipole antenna (V/m) ... 6-element array Half-wave dipole radiators Antenna arrays Beam ...

http://people.eecs.ku.edu/~callen/823/823_Antennas-F14.ppt

Date added: September 30, 2014 - Views: 2

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EE608 Adaptive Signal Processing Course Project Adaptive Beam ...

Title: EE608 Adaptive Signal Processing Course Project Adaptive Beam Forming using Antenna Array Author: V B BHEDARU Last modified by: V B BHEDARU

http://www.ee.iitb.ac.in/~prakshep/ASP/Project/BF_ASP_Final.ppt

Date added: September 21, 2013 - Views: 6

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MICROWAVE ANTENNA - CERMIN DIRI HIASI PERIBADI...

MICROWAVE ANTENNA. Definition. A conductor or group of conductors used either for radiating electromagnetic energy into space or for collecting it from space.

http://nurhidayahmoktar.weebly.com/uploads/6/4/8/7/6487407/chapter_5_microwave_antenna.pptx

Date added: May 2, 2013 - Views: 82

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Small Antennas - Navy Mars HP Frames

... SWL http://www.antennex.com/hws/ws0302/varcap.html Capacitor Solution #2 From ARRL Antenna Book ... 300 V /mil) 16 to 542 pF ... air: -20 to –35 dB vs. beam ...

http://www.navymars.org/northeast/reg1/sne/small_hf_antennas.ppt

Date added: October 12, 2011 - Views: 47

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Slide 1

Antenna Pattern. Antenna pattern shows the distribution of transmitted power with angle for axis of beam (where gain is maximum) - see Fig 10.10

http://reu.wireless.vt.edu/powerpoint/Antennas_2013_v01-Dr_Pratt.pptx

Date added: September 15, 2013 - Views: 7

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Amateur Radio Technician Class Element 2 Course Presentation

An antenna built from aluminum I-beams An omnidirectional antenna invented by Clarence Beam An antenna that concentrates signals in one direction An antenna that ...

http://www.w0wtn.org/downloads/class_material/tech/w5yi/(18)%20Antennas%20(13)%2B(15)%3D(28).ppt

Date added: May 7, 2013 - Views: 13

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Introduction to antennas - APEX - Atacama Pathfinder EXperiment

Introduction to antennas Michel Anciaux / APEX November 2004 What is an antenna? Region of transition between guided and free space propagation Concentrates incoming ...

http://www.apex-telescope.org/training/2005-02-04/Introduction_to_antennas.ppt

Date added: November 14, 2011 - Views: 377

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HANDBOOK ON GREEN INFORMATION AND COMMUNICATION SYSTEMS

HANDBOOK ON GREEN ... antennas * MULTIPLE ANTENNA SYSTEM Beam-Forming Delay-Sum Beam-Former A Simple Delay-Sum Beam-Former * MULTIPLE ANTENNA SYSTEM Beam-Forming V ...

http://booksite.elsevier.com/9780124158443/downloads/Chapter_15_SlidesGICS119.ppt

Date added: April 26, 2013 - Views: 20

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Satellite Communications A - Electronic Engineering ...

Satellite Communications A Part 2 Antenna Basics-Professor Barry G Evans-Antenna Radiation Pattern Antenna radiation pattern in polar coordinates Near Field – Far ...

http://info.ee.surrey.ac.uk/Teaching/Courses/eem.scma/satcommsa2004part2.ppt

Date added: November 1, 2013 - Views: 37

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5 Element 20m Wire Beam

5 Element 20m Wire Beam at WB6DCO Construction of an East facing 20m beam made from wires supported on both ends by fiberglass poles. August 2009

http://71.165.227.225/hampages/eznec/astrobeam4.ppt

Date added: May 25, 2014 - Views: 2

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Lecture 10: Antennas - Lamar University - Welcome to ...

Antenna parameters 5. Effective aperture. ... Introducing the power radiation pattern as The beam solid angle of the antenna is (10.28.1) (10.28.2) (10.28.3) ...

http://www.ee.lamar.edu/gleb/em/Lecture%2010%20-%20Antennas.ppt

Date added: November 18, 2011 - Views: 142

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D8 HF Tower Repair

... 80/40 Inverted “V”, ~30 ft. at apex Very marginal performance 160/80/40 Pennant RX ant Strung over WARC band beam Low Band Antenna Other options ...

http://www.aeaclubs.org/w6ago/stations/D8roof/D8%20HF%20Tower%20Repair.ppt

Date added: September 19, 2014 - Views: 1

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Standardization and System integration of Smart Antennas ...

Standardization and System integration of Smart Antennas intoWireless Networks Adrian Boukalov Helsinki University of Technology Communications Lab

http://www.projectmesa.org/ftp/SC/SC03_Sophia_2001/SC03_10r1%20Smart%20Antenna.ppt

Date added: October 8, 2011 - Views: 52

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Antennas - VE1SRV.NET

The frequency range over which the antenna may be expected to perform well How can the bandwidth of a parasitic beam antenna be increased?

http://www.ve1srv.net/brac/Lesson%203%20-%20Chapters%207%20and%208%20-%20Feedlines%20and%20Antennas/Lesson%203-Chapters%207%20and%208%20-%20Feedlines%20and%20Antenna.ppt

Date added: November 20, 2014 - Views: 1

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Smart antennas for Mobile Ad-hoc networks

... to provide control of space by providing virtual channels in an angle domain Directional Antennas Sectorised antenna ... V .Shankarkumar and N ... The beam ...

http://www.cse.buffalo.edu/~qiao/cse620/fall04/Smartantennas.ppt

Date added: October 7, 2011 - Views: 109

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MAC Protocols for Directional Antenna: A Survey - Mentor - IEEE

Title: MAC Protocols for Directional Antenna: A Survey Author: Microsoft Corporation Last modified by: 조성래 Created Date: 10/5/2006 4:04:58 AM

https://mentor.ieee.org/802.11/dcn/09/11-09-0796-00-00ad-contention-based-directional-mac-protocols-a-survey.ppt

Date added: May 8, 2012 - Views: 26

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Antennas Demystified - Home Page - MicroHAMS.com

Antennas Demystified Scott Honaker N7WLO Importance of Antennas Antennas are as important as the radio A $5000 TV with rabbit ears will have a lousy picture Antennas ...

http://www.microhams.com/binfile/talks/Antennas%20Demystified.ppt

Date added: September 10, 2011 - Views: 66

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No Slide Title

Antenna Fundamentals ... Above a Perfectly Conducting Surface Love them Hate them Baluns Long Wires V Beams Rhombics Creating a V Beam A Rhombic – Two V Beams Back ...

http://w8zpf.cboh.org/talks/2012-12+K8LJ+AntennaFundamentals.pps

Date added: August 29, 2014 - Views: 1

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Adaptive Digital Beam-Forming for HRWS SAR

The radiometric resolution is improved through a larger multi-channel antenna in elevation where a digital beam.forming technique SCORE allows to combine the ...

http://www.grss-ieee.org/wp-content/uploads/2011/07/4_IGARSS11_HRWS.ppt

Date added: March 21, 2014 - Views: 6

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HF-Radio.ppt - Department of Electrical, Computer, and ...

RF Safety However it is your responsibility to verify proper installation and operation ... “Inverted V” Sloper Antennas The tri-band Yagi or beam antenna ...

http://www.ecse.rpi.edu/courses/CStudio/ham_radio_docs/HF-Radio.ppt

Date added: May 3, 2013 - Views: 13

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Faster, Better, Cheaper - Northwestern University

... Increased efficiency Adaptability Robust to space environment Faster, Better, Cheaper ... antenna can steer beam to focus reception or transmission Adjusting ...

http://clifton.mech.northwestern.edu/~me381/project/02fall/NANOSATELLITE.ppt

Date added: May 11, 2012 - Views: 54

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CM Matlab R0.85 Support Doc - IEEE Standards Association ...

MATLAB codes distributed in IEEE802.15.4a was modified This M-file are composed of six ... or select your own beamwidth (2)? 2 Input Antenna Beam Width: [1 to ...

https://mentor.ieee.org/802.15/file/07/15-07-0559-03-003c-cm-matlab-release-1-1-support-document.ppt

Date added: May 8, 2012 - Views: 77

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Wind Loading and Center of Lateral Aerodynamic Center of ...

Yagi Antenna Wind Loading Wind loading can be the most significant load on an antenna because wind force varies with the square of wind speed.

http://www.qsl.net/mrac/antennatalk.ppt

Date added: November 1, 2011 - Views: 53

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Slide 1

Collapsible Beam for 6 m ... NW3Z, and James L. Breakall, WA3FET, “A 40m V-Yagi”, in International Antenna Collection, RSGB/ARRL, 2003, (and in QST,May 1988) [2] ...

http://www.qsl.net/ve3sma/50MHzCollapsibleBeam.ppt

Date added: July 25, 2013 - Views: 4

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Implementation of Smart Antenna using SDR - Home - Filebox

Title: Implementation of Smart Antenna using SDR Author: Raqibul Mostafa Last modified by: Jeff Created Date: 9/7/2004 8:16:54 PM Document presentation format

http://filebox.vt.edu/s/shelbys/Class%20Materials%20Fall%202004/Implementation%20of%20Smart%20Antenna%20using%20SDR.ppt

Date added: March 14, 2014 - Views: 21

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Antennas - Northern Illinois University - Your Future, Our Focus

This is an antenna. ... Tahoma Symbol Beam Microsoft Equation 3.0 Antennas Free Charge Accelerating Charge Receiving Waves Angled Antenna Radio Waves ...

http://www.niu.edu/~mfortner/PHYS211/Unit%207%20EM%20Waves/p211_07b.ppt

Date added: December 26, 2012 - Views: 20

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Amateur Extra License Class - Wabash Valley Amateur Radio Asso

VBeam. 2 long-wires fed 180° out of phase. 2 major ... Which of the following instruments would be best for measuring the SWR of a beam antenna? A spectrum ...

http://www.w9uuu.org/documents/extra_class/Amateur_Extra_Chapter_9.ppsx

Date added: May 4, 2013 - Views: 22

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Satellite Orbits – 1 - Welcome to the GMU ECE Department ...

... 1 Determined by two principal factors Height of satellite above the Earth Beamwidth of satellite antenna ... beam antenna Repeat of Slide 47 Satellite ...

http://ece.gmu.edu/coursewebpages/TCOM/TCOM707/TCOM707_Lecture1.ppt

Date added: May 3, 2013 - Views: 46

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Systematic Product Analysis - Home - Earth Online - ESA

... H/V, Gain/Phase History ... > 1 LSB error > 2 LSB error > 3 LSB error External Characterisation Antenna B/F Test Results Antenna Gain Test Results Beam Antenna ...

https://earth.esa.int/workshops/validation_12_02/asar/systematic_prod_analysis.ppt

Date added: May 2, 2013 - Views: 14

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Antenna Cost Modeling For Large Arrays - Cornell University

Antenna Cost Modeling For Large ... mass = k1 V 2/3 f 1 ... including substantial DSP with analog processing Many channels per chip or module Limitations Multi-beam ...

http://www.astro.cornell.edu/SKATDP/files/Meet_2008Mar_AWG/AWG_Mar2008_Talk13_d%27Addario.ppt

Date added: November 27, 2014 - Views: 1

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Scatterometer Algorithm - OceanColor Home Page

Beam 2 Tx_H Beam 2 Tx_V Beam 2 Tx_V Beam 2_V Noise only Beam 2 Tx H Rx_V Rx_V Rx_H Rx_H ... azimuth angles Write to output files Antenna beam pattern files Complex ...

http://oceancolor.gsfc.nasa.gov/AQUARIUS/Meeting200703/YUEH_Scatterometer_algorithm.ppt

Date added: October 15, 2011 - Views: 35

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Frequency Allocation in SDMA Satellite Communications System

Hybrid Discrete-Continuous Optimization for the Frequency Assignment Problem in Satellite Communications System Kata KIATMANAROJ, Christian ARTIGUES, ...

http://www.laas.fr/files/MOGISA/2012-Conf/presentation-kata-incom2012.pps

Date added: August 16, 2013 - Views: 6

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BIG GUNS - Angels NZ - Home Page

The boom is two 60 foot towers welded togtherr and Crane can drop beam in 3.5 mins. Footprint of the antenna covers ... Guelph 75M Big Antenna Farm 4 square ...

http://www.angelsnz.net/ZL3SV/Library/BIG-GUNS%5B1%5D.ppt

Date added: October 23, 2011 - Views: 40

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Slide 1

This poster concerns the on-orbit validation of the antenna beam pointing and corresponding instantaneous field of view (IFOV) earth location for the CONAE Microwave ...

http://depts.washington.edu/uwconf/aquarius_sacd/Clymer_MWR_poster.pptx

Date added: December 3, 2014 - Views: 1

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Microwave Distance Sensor - ECE7750 Distributed Control Systems

... / c Fd = Doppler frequency Fo = microwave oscillator frequency V = vehicle horizontal velocity c = speed of light theta ... Km min Antenna Beam ...

http://mechatronics.ece.usu.edu/ece5320/Schedule/hw01-2006/Randy_Shirts_Microwave%20Distance%20Sensor.ppt

Date added: October 12, 2011 - Views: 64

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Directional Antennas in Mobile Ad Hoc Networks:

Vaidya Scheme 1 The node uses a directional antenna to send the RTS ... Beam Patterns are formed at both the transmitter and the receiver to maximize signal power.

http://nesl.ee.ucla.edu/courses/ee206a/2002s/student_presentations/SP06_RimaBenham.ppt

Date added: July 8, 2012 - Views: 3

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Antenna Fundamentals with LVDAM-ANT System

However, for an antenna whose radiation efficiency is less than 1 (100%), there is a difference. * a Antenna beam solid angle (steradians) ...

http://hijjawi.yu.edu.jo/Database/Departments/cme/Labs/447A/Antenna%20fundementals%20with%20LVDAM-ANT%20system.ppt

Date added: December 20, 2013 - Views: 12

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PowerPoint Presentation

Planar Antenna-Coupled Hot ... Cu absorber, 23 nm thick, V = 6.2 ( m ... Build a double slot antenna scale model and conduct reflection and beam pattern ...

http://hibp.ecse.rpi.edu/~connor/education/Antennas/ASC_poster02_small.ppt

Date added: May 25, 2013 - Views: 28

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High Brightness Negative Ion Sources with High Emission ...

Beam Current vs an Arc Current for Different Slit Geometry in the Semiplanotron Dependences of the Н- ion beam ... antenna; 5- magnetic coil; 6- ion ...

http://beamdocs.fnal.gov/AD/DocDB/0020/002062/001/HCDHBSPS2.ppt

Date added: June 13, 2012 - Views: 33

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The Expanded Very Large Array - RHESSI Web Site

Antenna beam (power pattern) ... The Expanded Very Large Array Author: AOCPub Last modified by: Jim Bob Created Date: 8/20/2001 2:45:28 PM Document presentation format:

http://hesperia.gsfc.nasa.gov/summerschool/lectures/bastian/Practicum.ppt

Date added: October 8, 2011 - Views: 35

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PowerPoint Presentation

Stanford Linear Accelerator Center 6 •1017 eV Time relative to beam entry Antenna V ... SLAC MEASUREMENTS evidence of full coherence FROM TEST BEAM ...

http://kicp-workshops.uchicago.edu/mw-2010/pdf/4-gorham.ppt

Date added: May 23, 2013 - Views: 3

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Frequency Allocation in SDMA Satellite Communications System

Problem definition. Simplified beam. SDMA: Spatial Division Multiple Access. j. k. i. We deal with a simplified version of the radiation pattern having the antenna ...

http://www.laas.fr/files/MOGISA/2012-These-HDR/Frequency-assignment-for-satellite-communication-systems.pptx

Date added: August 2, 2013 - Views: 16

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Introduction to antennas - Wireless | T/ICT4D Lab

Basic Antenna Theory Professor R. Struzak ... 3 2 0 d Beam direction 00 or 22.50 00 or 450 00 or 900 00 or 1800 Input Output Bit #4 Bit #3 Bit #2 Bit ...

http://wireless.ictp.it/school_2005/lectures/struzak/Anten_theor_basics.ppt

Date added: September 7, 2011 - Views: 495

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PowerPoint Presentation

Base Station Antenna Considerations in Wireless Network Deployment By David Shani V.P. Int’ Sales and Marketing With MTI Wireless Edge The Motivation Improving the ...

http://www.mtiwe.com/_Uploads/dbsAttachedFiles/BTS_Antenna_Consideration.pps

Date added: September 19, 2013 - Views: 7