ft817 alc

HF Helical Whip Calculator - Build your own HF helical whip antenna for mobile or portable operation

Slim Jim antenna calculator - How to make a simple but effective Slim Jim antenna. It includes a calculator to work out all the mesurements for the frequency you require.

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

VHF Yagi Balcony Mast - An Antenna Mast Idea for a VHF/UHF antenna

Decibels Explained - What decibel mean in RF Gain and how used DB Values in Gain calculation

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

Wind Loading of Antennas - Calculation of the wind surface and the wind load of antennas

Calculating wind loads - Mechanical Notes from K7NV

Antenna Wind Loading Standards - The Rated Wind Velocity and Loading for antennas is calculated using industry standard TIA-329-C.

Towers and Wind Load - Calculating Antenna Wind Load

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

RV3APM-QRP - QRP Operations by RV3APM

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

Building a DSP unit for Yaesu FT-817 - Installing a DSP Unit into the FT-817

Yaesu FT-817 review by G3XBM - Yaesu FT817 all band, all mode handheld transceiver article.

ICNIRPcalc - ICNIRPcalc allows you to calculate safety distances for many know amateur radio antennas with respect to ICNIRP limits by DL9KCE

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.

Amplifiers - Care and Feeding - Antenna and Power considerations, ALC Keying interface, Battery info, Keying interfaces and more

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

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

A Simple Radio Receiver - Development of a simple modular radio receiver