load coil calculator

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

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

Linear Loaded mobile antenna - A vertical linear loaded antenna for 2 meters band in italian

Antenna Tuning Unit - This homebrewed antenna tuning unit also incorporates a 50-ohm QRP dummy load, power meter (1 or 10 Watts full scale), and SWR meter

ZS6BKW Antenna - A G5RV revisitation by G0GSF Brian

DXCC Country lists - An updated DXCC country list, including a 10 band checklists in various file format made available by dx newsdesk

US Band Plan by ICOM - ICOM USA Amateur Radio HF VHF/UHF band plan updated to 2008, include a Common Country prefixes in PDF Format

Pierce Aluminum - Distributor of aluminum and a manufacturer of finished aluminum products. Pierce Aluminum offers a diverse inventory and distributes a complete line of sheets, coils, plates, bars, structural shapes, tubes, pipes and extrusions in the most varied alloys and sizes possible

Antenna lookangles calculations - A javascript satellite antenna look angles calculator

HF Beam Calculator - A javascipt online calculator for 2 and 3 element beam antennas. Just input frequency and will diplay element dimensions and spacing. Measurements in Feet and Meters by G4VWL

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

The KB6IBB Utilities - Ham radio frequency list consolidation software. The Ham Radio database can house a unlimited number of records. Holding frequency information from DC to Daylight. The Radio Scanner Database is designed to emulate a radio scanner. A 5,000 record table is provided and is organized by channel number.

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

100 W Resistive Load - This was a project to make a dummy load or, as the finished thing is more correctly labelled, a fifty ohm resistive load.