range calculator

Online Antenna Analysis and Design Software  ^updated - Free online software to calculate wire antenna power patterns, directivity, input impedance using method of moments.

HF Beam Calculator - Calculate the Measurements for a 2 or 3 ele Beam

Cubical Quad Antenna Calculator - Easy Quad calculator, enter center frequency to get a quad antenna size

Beverage Transformer Calculator - W0FMS Two-Wire Beverage (SWA) Transformer Calculator

HF Helical Whip Calculator - Calculating HF helical whip antenna for mobile or portable operation

T Match efficiency estimator - This calculator estimates the efficiency of a T match tuner using a simple loss model.

WiFi Long Range Helical Antenna - High Gain Wi-fi Helical Antenna by AB9IL

WiFi Yagi Antenna - Long Range Wi Fi Antenna by AB9IL

Electronic Surplus Online Shop - Italian shop offer a wide range of products for industrial or military surplus.

VK3RA Macedon Ranges Amateur Radio Club - Founded in 2009

C&S Antennas - manufactures HF wire antennas for short, medium and long range communications. The antennas are designed for tactical, emergency and fast-reaction situations.

QRA Calculator  ^updated - Converts your Lat/Long into an IARU Locator

Long Range Wi-Fi System - How build a long range wi-fi system

HSMM Long Range WiFi - High Speed Multimedia Radio Introduction by ARRL Working Group Chairman

NOAA Solar Calculators - Improved Solar Calculator, Old Sunrise/Sunset and Solar Noon Calculator, Solar Position Calculator

Energon Solutions Ltd Priority listing - Energon Solutions are a online super retailer stocking a massive range of Ham Radio, PMR 446, CB Radio and Business Two Way Radio equipment and accessories.

Magnetic Loop Software - Loop Calculator and Capacitor Design Software

Coil32 Priority listing - Coil32 is a free coil inductance calculator, that allows to calculate: single layer and multi layer air core coils, toroidal air core coils, inductors on ferrite rings, in pot core, flat coils on the PCB, and also LC resonance parameters. The program have additional plugins to calculate another kinds of coils. The application is free for usage and distributing.

MorseDec - MorseDec decodes and encodes Morse with a range of 5 to 50 wpm. It includes: auto-tracking for wpm speed, macros, spectrum analyzer. Easy to use but powerful.

Omnidirectionnal antenna for the 23 cm band - Building an omnidirectionnal antenna for the 23 cm band

Experimental 2 Mbit modem - Description of a 2 Mbit Modem project

dbm Calculator - The dbm online calculator and reference table for 50 Ohm

The express-pizza antenna - Build a directional antenna for the 1.2 GHz band, in 15 minutes

RF Safety Compliance Calculator - This program is intended for far-field calculations, Calculate Estimated Power Density based on several factors.

HF Receiver by F6CRP - Recepteur decametrique 3 - 30 MHz Detection classique et SDR