loading coil calculator

DL9MEU Antenna projects - Basics for a good Antenna:``Only if you can hear it, you can work it!``Symmetric antennas save a lot of trouble.``No traps - no radials - no loading coils.

Homebrew Travel Antenna - This is a low cost homebrew two band travel antenna for 20 and 40 meters. It is based on the B&W Travel Antenna concept with a telescoping whip and a loading coil

EH Antenna calculator  ^pop - Calculate eh antenna components dimension with this online form

Bazooka Calculator  ^pop - Calculate Double bazooka for Win3/Win95 by W4BEJ

Helical Antenna Calculator - This is my simple implementation of the ARRL Antenna Book design equations for the axial-mode helical antenna.

Helix Calc - Helix antenna calculator, to design and make helix antenna plans

Moxon Rectangle Calculator - Program to calculate the dimentions of a Moxon Rectangle. All equations correlated to NEC antenna modeling software for wire diameters from 1e-5 to 1e-2 wavelengths.

Hamradioindia a website by vu2fd - a website by vu2fd with theory lessons, details on rules and regulations and planty of homebrew projects for radio amateurs, java calculators.

Hi-Q Antennas - HF Ham Radio mobile operation antennas manufacturer, W6HIQ, HA5CMG, VE7BOC, HF mobile antennas, screwdriver antenna, coils and filters.

W3FF Antennas Buddipole - The Buddipole is a hi-tech, take-apart dipole designed for HF portable operations. The antenna uses a multi-band adjustable coil for all bands 40m - 2m.

Great Circle calculator - Excellent on-line java great circle calculator with perl source code and excel spreadsheet for gc calculations

Sunset Calculation - Sunset online calculator

MPE Calculator - Free RF exposure evaluation software for amateur radio

Design and build helix antennas - An on-line javascript calculator and quite a few pictures to show how to make a helix antenna.

ERP Calculator Plus - 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

J Pole calculator  ^pop - Enter the operating frequency and calculate dimensions of your jpole antenna

atlc - Arbitrary Transmission Line Calculator. - Unix or linux programme atlc calculates the impedance of electrical transmission lines of totally arbitrary cross section.

Band Master - Band Master is a program for Radio Amateurs that downloads DX spots and displays them in different ways, including a graphical band map. It can be used either as a stand alone application or as part of a logging or contesting software via the COM/OLE interface. Rig control, country/province resolution, azimuth/distance calculator and online QRZ lookup are built-in, propagation prediction and geographical mapping are available through integration with HamCap and DX Atlas respectively.

Smith chart calculator - linSmith is a Smith Charting program, mainly designed for educational use. It allows defining multiple load impedances (different frequencies), and adding components (discrete components and line sections) in series and parallel. It plots the impedances on the screen, shows the values in table format, and is able to generate publication quality Postscript output.

Mac Antenna Master - Dipole, Yagi, Vertical, Cubic quad, Log periodic, J-pole, coil, and transmission line design package for the Macintosh

Electrist - The Top-Rated Electrical and Electronic Engineering Calculator for Palm OS

Live MUF - Freeware live MUF calculator by EA6VQ-Gabriel and G7RAU-Dave for live calculating the possible e MUF on VHF during es season via a telnet link into dxc

Trunk Manager for Windows - Supports Uploading & Downloading to and from the BC296D, BC796D, BC780XLT, BC895XLT, BC245XLT, BC250D, BC785D, and Pro-2052 scanners

HAMIC - The Ham Intelligent Calculator - HAMIC, is a program designed to simplify a number of calculations commonly used by HAMs. It is designed for the HAM radio hobbyist, but may be useful to others as well. HAMIC has a simple to use, but powerful graphical interface that allows solving simple circuits such as resistors in series or parallel, or more complex circuits such as L networks or T networks. As well, other calculations such as SWR and reactance conversions are supported. Windows shareware.

Z Match for Higher Power - Single coil Z match witch handles the power of the linear amplifier