load coil calculator

2 meter HT Handipole - Add some gain over your rubber dummy load with this full size dipole on your HT.

Slink-ette antenna - A Slinky-based doublet or loaded vertical QRP antenna tested for 40 meters band by N2CX and N2EI

Online Dipole Antenna Calculator - Online calculator and construction instructions

VSWR Loss Calculator - This calculator is designed to give the efficiency loss of a given antenna, based on the input of VSWR (voltage standing wave ratio) and other subsequent factors

Gamma Match Article - A working analysis of the gamma-match problem that gives usefull practical results. New light on the question of when it will and when it won't give a perfect match to the coaxial transmission line.

Multiband HF Vertical - A telescopic pole that you adjust to suit the band you're working on , tested on 40 20 and 15 meters band by M0PZT

Calculate azimuth and elevation - Use this online calculator if you need to know your azimuth/elevation relative to a satellite

Gap Titan DX Manual - Gap Titan DX Antenna manual compressed in Zip archive

ICOM IC-7000 Downloads - Here you will find any useful downloads for IC-7000. Manuals, video clips, reviews, brochures

Ten-Tec: Jupiter Firmware Downloads - Donwloadables binaries for the ten-tec jupiter radio

Orion Logic/DSP modifcation - Orion Logic/DSP modifcation to support Version 2.x firmware

DB37 FT-450 Cable - Schematic for Data, power, CAT, Key and Mic connection interface cable

DB15 FT-450 Cable - Schematic for Data CAT Power and Key cable interface for the Yaesu FT-450

Helicoil - Noble Enterprises, Heli-coil Helicoil, Helicoil Insert, Helicoil Inserts, Inserts, Cutting Tools, Thread Cutting Tap, Thread Cutting Tools, Machine Tap,

Microwave Antenna Design Calculator - Available to run on all major operating systems, this free calculator provides quick estimation of antenna size required for a given gain and frequency.

Cantenna Calculator  ^updated - A circular waveguide calculator for designing cantennas include source code and windows executable by lincomatic

CQ/X - Information and download page for the CQ/X GPS-enabled logging program for mobile operation in amateur radio state and regional QSO parties by N05W

Cluster Client - A windows freeweare dx cluster client, allows you to monitor DX spots from users worldwide by M0PZT

Windipoles - Windipoles is a free passive filter simulator. It is a Windows .NET executable, so no software installation is required. It enables design, analysis, optimizations and plots, all graphically.

Javascript Programs for Amateur Radio - GØHZK javascript calculators for ham radio, distance calculator, locator calculator, UTM calculator

Ham Radio Deluxe Satellite Tracking - Nova DDE Support, Scheduled Kepler data downloads, Integrated web browser, Audio announcements, Google Earth integration, dual radio support

Resonant Frequency Calculator - This web based application will compute circuit values required for an L-C circuit to resonate at given frequency. Also it will compute the resonant frequency if given values for L and C.

Electronic calculator - Some simple electronics calculator in javascript

Salt water dummy load - Use plain water with a little salt added to build your own Dummy Load

Notes on Bird Electronics Equipment - Information on equipment manufactured by the Bird Electronic Corporation, wattmeters, RF loads, switches by I0JX