DL6WU Yagi for 2320MHz; Programs to design 'classic' DL6WU Yagis As close as possible to DL6WU's original designs and intentions: Extremely Long Yagi Antennas, VHF Communications, 3/82; Zelf Ontwerpen en Bouwen van VHF en UHF Antennes (with PA0MS), VERON; Supplemented by direct information from DL6WU. Includes element mounting corrections.
Antenna modeling used to be the domain of scientists and engineers with very expensive antenna ranges covering acres and acres of land strewn with expensive equipment. With the proliferation of personal computers and affordable (even free) software, antenna modeling has become a popular amateur activity. With modeling you can determine the pattern, feed point impedance and even the SWR of your antenna system before cutting one piece of wire or one tube of aluminum. This can save an awful lot of tree and tower climbing.
Hits: 20247 Votes: 27 Rating: 5.22.- ERP Calculator is an Amateur Radio software utility designed to perform a side-by-side comparison of two Ham Radio antenna systems. ERP Calculator comes pre-programmed with data files including published data for several popular brands and types of coax cable as well as several popular antenna system brands and models. ERP Calculator displays values of ERP, Antenna Power Gain, Antenna Feed point Power, Antenna System Gain in dB, Antenna Gain in dBd, SWR Attenuation in dB, SWR Power Attenuation, Coax Loss in dB, and Coax Power Loss. Hits: 31059 Votes: 62 Rating: 5.63.- Powerful antenna modeling tool using NEC 2 computing engine. Nec2 specifically provide users, either those experienced with the Nec2 processes, or for those who are neophytes but want to model their own antennas.Nec2Go uses a simplified process for defining the antenna structure and then providing view of the structure, plots (2D and 3D) and other significant data that is pertinent to the design.This simplified process uses an edit file with equations for all definitions. Hits: 3466 Votes: 9 Rating: 4.12.- SimSmith is a highly interactive, real time Smith chart graphing program. Circuits are constructed using drag-n-drop.
Load files can be imported from the EZNEC and CocoaNEC antenna simulation software and from the AIM4170 and miniVNApro antenna analyzers. Circuits and load files can be of any size.Key Features: SimSmith is one of the few Smith chart packages which models transmission line losses.
SimSmith also allows the description of circuit elements using algebraic equations. SimSmith has only one screen and allows the screen to be resized to increase workspace or readability. Hits: 1903 Votes: 15 Rating: 4.8.- Transmission Line Details. This utility program shows the impedance and SWR at both ends of a transmission line and the details of power loss in the line. It includes characteristics for over 40 built-in line types.
You can modify these values to see how small changes affect the results or to specify custom lines. All program inputs may be changed directly or you can use spin buttons to make the changes. If you are using a moderately fast computer you can hold down a spinner and 'watch the movie' on the charts as the results are recomputed.