range calculator

Coaxial cable dipole for 80m - Here are some simple antennas you can build along with calculators to help you get the right length.

EH antenna for 80 meters F8APF - Based on IZ5CCS design F8APF describe the homebrewing of an EH antenna for 80 meters band

Small Transmitting Loop Antenna Calculator Priority listing - A free online calculator for making all of the calculations required to design and build small transmitting loop antennas, also known as magnetic loops by 66pacific.com

Dipole and Inverted V Antenna Calculator - Enter the resonant frequency for the dipole/vee antenna calculation

WB4BXW Diople Antenna Calculator - Dipole and inverted vee antenna calculator sufficiently accurate for wire antennas up to 30 Mhz

Axial-Mode Helical Antenna Calculator - Simple implementation of the ARRL Antenna Book design equations for the axial-mode helical antenna.

Helix Calculator - JavaScript Implementation Written by Fred Spinner, W0FMS

Quarter Wave GP Antenna Calculator - Amateur quarter wave ground plane antenna calculator

Quadrifilar helicoidal calculator - Calculate design for a quadrifilar helicoidal antenna

Loop antenna resonant frequency calculator - Calculates resonant frequency of a loop antenna, correcting for distributed capacitance.

Dipole Calculator in JavaScript - Input the desired resonant frequency and it will calculate lenght in inches feet and meters

A Simple 7 element Yagi calculator  ^{updated  pop} - A JavaScript to calculate the dimensions for a seven element Yagi-Uda Antenna

W4HN Antenna Calculator - Calculate your dipole, 3 element yagi and a simple dipole

Antenna Trap Calculator - Design your own antenna trap online

Coil calculator - On-line single-layer coil designer

Antenna wire catenary calculator - This is a simple calculator for solving the antenna wire catenary between to end points given the design wind speed, mass per unit length of the wire, wire diameter and Gross Breaking Strength of the wire.

JJ6 Antenna - Beam antenna for 14-18-21-24-28-50 Mhz by G4ZU in french

The Eggbeater Antenna - Calculating and building an Eggbeater antenna. InstantTune and push-button Rx. Documentation available in french and english

Passio Radio - Amateur radio reference site in french managed by F4EZC

Willtek Communications - Comprehensive range of cutting-edge solutions for testing, measuring, and analysing rf networks and devices. Testers, mobile service testers, handheld spectrum analyzers

Antenna lookangles calculations - A javascript satellite antenna look angles calculator

Great Circle Calculator - A javascript online calculator of bearing and distances by G4VWL

W2IOL GCGC Distance/Bearing - Freeware dos and linux command line executables to calculate grid great circle/geodesic distance, azimuth/bearing and MUF calculator by W2IOL

Free Sun Power - Free basic and advanced system design tutorials for every component and aspect of solar power. Plus system sizing calculators, battery bank calculators and wire size calculators

Electrical Calculators Online - Electrical and electronics online calculators by Calculatoredge.com