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1. Free Antenna Modeling Software Mac
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3. Antenna Modeling Software Free Mac
4. Antenna Modeling Software Free

The W8IOAntenna Site -YAGiosoftware. (23 March 2016) YAGio - Yagi Design by W8IO. YAGio 1.01is themost current released version. YAGio runs underWindows 2000, XP, Vista, Win 7 and likely Win 8. YAGio is similar to LPCAD, it uses keyboard commands insteadof amouse menu. YAGio allows you to create DL6WU long Yagi antennas on anyfrequency, typically on VHF. Antenna Magus is built for: 64-bit systems running Windows VISTA Business, Windows 7 supporting Service pack 1, Windows 8, Windows 8.1, Windows 10 or Windows Server 2008/2012. Antenna Magus Classroom is a special version limited to a few useful and practical antennas that was created for teaching about antennas in a classroom environment.

TheW8IO Antenna Site - NECand Mininec

(21 October 2016)

• Over the last two decades, computerized antenna modeling has advanced greatly. Modeling, a powerful tool in Amateur Radio, can help you to design antennas and optimize their performances.Advanced Antenna Modeling is in every respect the guide to using modeling software for designing, optimizing and evaluating antennas.
• Is an RF Signal Propagation, Loss, And Terrain analysis tool for the electromagnetic spectrum between 20 MHz and 20 GHz. Applications of SPLAT! Include site engineering, wireless network design, amateur radio communications, frequency coordination, communication system design, and terrestrial analog and digital television and radio broadcasting.

NEC Software for Yagi Design

Note: K6STI's AO and YOsoftware no longer available. His older versions will not work inWindows 7 and 8.

NEC/MININEC-basedSoftware Vendors:

• EMScientific:'New'MININEC Free'Expert MININEC Classic' software - badlink?

• EZNEC/EZNEC+andEZNECPro (W7EL)

• NEC-WinPlus, NEC-Win Pro, GNEC 'NittanyScientific' - now out ofbusiness

• OrionMicrosytems:NEC4WIN MININEC Software'NEC4WIN95' - do not order fromKAGI?

• SuperNEC 'SuperNEC' NEC2/UTDcombo

• 4NEC2 FreeNEC-2 software with excellent GUI - new web site: qsl.net/4nec2

• NEC2++ from Tim Molteno (discussionforum)

• AutoEZ,TLDetails&MoxGen by Dan Maguire AC6LA

• MMANAFreesoftware based on MININEC from DL2KQ-EU1TT

• CocoaNECFreeNEC software for the Mac OS-X Tiger operating system by W7AY

OtherMOM-based Software Providers:

• WIPL-DMethod of Moments software

• ANSYSDesigner 2D+Code for Patch Antenna Design (FreeStudentVersion - no longer available)

• MentorGraphics Software (was IE3D) 2D+Code for Patch Antenna Design

• AntennaDesign Freeware fromMeyers Engineering

• MOMICMethod of Moments Interactive Code - notavailable?

• NEC-BSCNEC Basic Scattering Code, ESP -Electromagnetic Surface Patch Code andothers(Ohio State)

• YagiCAD6.2.0freeYagi-specific Windows software by VK3DIP

• YagiModeler Applet online applet tosimulate Yagis by W9CF

FEA-basedSoftware Vendors:

• ANSYSHFSS3D Antenna Structure Simulator

AntennaStructural Analysis Software:

NEC/MININECOrganizations and Resources:

• The(Unofficial) NEC Archives(WB6TPU) FreeSoftware!

• NEC-2informationUsers Manual for NEC and other information

• L.B.Cebik'sAntennaSite (W4RNL) Hundreds ofAntenna Articles!

Free Antenna Modeling Software Mac

Other RFand Antenna Software

(links updated 18 Feb 2013)

Learn HowAntennas Work!

LinearDipole - set length to 0.5(half-wavelength dipole) and notice that theimpedance is near 73 ohms. Radiation pattern shown is typicalfigure-8pattern. When a half-wave dipole is close to ground, the impedance isloweredto near 50 ohms. Thus a perfect match to 50 ohm cable.

-set lengthto 1.27 wavelength. This is called an Extended Double Zeppantenna and produces the maximum gain possible from a simple center-feddipole. Notice that the radiation resistance (impedance) is about 90ohms. This antenna can be matched to 50 ohms by using a seriesinductor.Half of this antenna is 5/8 wave and is a common length for 2m mobileantennas.The 5/8 wave antenna is typically fed against a ground plane (car roof)andis usually matched with a tapped inductor.

-set lengthof dipole to multiples of 1/4 wave on each side (e.g. 0.5, 1.5,2.5, etc.). Notice how these lengths produce an radiationresistance(impedance) close to 100 ohms. The patterns of these are madeup ofmany lobes (cloverleaf pattern).

How doantennas produce gain?

• dB,dBi, dBd What is dBi? What is dBd? What is an isotropicradiator? Part 1 in a series from LB Cebik W4RNL

• Wheredoesthe gain come from? Part 3 in a series from LB Cebik W4RNL

updated 17 Jan 2006

LincolnAmateur Radio Club Antenna Class

Links to Software and other information

• 4NEC2 FreeNEC-2 software with excellent GUI

• AgilentAppCAD Transmission Lines and more

• MIMPMotorola Impedance Matching Program (select zip file and download)

• NECUser Guides (HTML &PDF)

• SmithChartresources (articles, softwareand charts)

• AntennaModelingSoftwarefrom Dan Maguire AC6LA (MultiNEC, Moxon generator, TLDetails, etc.)

• KB0YKI'sRadio Zone (onlineJ-Pole Designer, online Yagi Designer, the 'Copper Cactus' doubleJ-Pole)

• PCAAD2.1 Software to helpdesign wire, horn and patch antennas - by Dave Pozar

updated 10-21-16

LPCAD - Log Periodic CAD

Now availablefor Windows 7 and 8!

LPCAD version 3.4 is nowavailable! LPCAD 3.4runs fine underWindows 2000, XP, Vista and Windows 7. Please emailme at rgcox2 (at) gmail.com for details.

updated 17July 2015

NEC ModelLibrary

The following files and links point to NEC/AO/YO models of various Hamantennasthat I have simulated and/or tested over the past 30 years as anantennadesigner. The NEC files may be used with any of the NEC-2 or NEC-4programssuch as 4NEC2, GNEC or cocoaNEC, however some of them with taperedelementsmay only be simulated accurately by NEC-4 or other MININEC-basedsoftware.These models will indicate in the CM lines if they need to use NEC-4 or4NEC2.These models have varying degrees of accuracy. Some may be very closetoactual performance. Others may only be an estimate. They are for you,asthe experimenter, to use and improve. This list will grow asI checkeach file before uploading, so check back often. Have fun!

Links:

• W3LPLYagi Designs for 40,20, 15 and 10m

VHF NECModels:

• 28DX a 13.4 dBi low backlobe Yagi for 144.2 on a 12' 6' boom

• 215DXa 16.35 dBi low backlobe high-performance Yagi for 144.2 MHz (metricdimensions)

• 216CP (AO file) a very experimental RHCP 2m beam with 12.3 dBicgain and single point feed

• 216CP(NEC file) - updated 2-4-06 - improved axial ratio & VSWR

• 23DFa 3 element Yagi for 2m Foxhunting (7.7 dBi & 40 dB F/B)

• 25FBa 5 element 4' 4' boom Yagi for 2m Foxhunting (9.4 dBi& 34 dB F/B)

• 26FB a 6 element 6' 6' boom Yagi for 2m Foxhunting (10.4dBi & 34 dB F/B)

• 27FB a 7 element 8' 6' boom Yagi for 2m Foxhunting (11dBi & 36 dB F/B)

• 6m_3el_yagi an8.1 dBi low backlobe Yagi for 50.1 on a 6' boom

• 6m_4el_yagi a9.8 dBi Yagi for 50.1 on a 12' 6' boom (use in 4NEC2)

• 6m_moxona 6.2 dBi 'Moxon rectangle' for 50.1 MHz

• LP50-108-16(NEC file) a Log-Periodic Dipole Array for 50-108 MHz, 8 dBi, 30 dB F/Ron 6m, 12' boom

The VHF antennas shown above include the 'raw' element lengths. Thatis, the element lengths are those used with a wood or plastic(dielectric)boom or supported above or below a metal boom with an large insulator.Toconvert these raw lengths into actual lengths used when passed throughthecenter of metal booms, you need to add a correction factor, based onwhetherthe element is insulated and passes through the center of a metal boom,oris shorted directly to the metal boom with a clamp.

Antenna Modeling Software Free Mac Download

If theelement is insulated when it passes through the metal boom, thecorrectionfactor is approximately 1/4 the diameter of the boom. Forexample,for a 36' (raw length) insulated element passed through the center of a1'metal boom, the correction factor is 0.25', so the actual length shouldbe36.25' when built.

(updated 16 July 2013)

Commentsare welcome!

Antenna Modeling Software Free Mac

contactRoger: email to

Antenna Modeling Software Free

rgcox2(at) gmail.com

Roger Cox - Spring Lake, MI