ft817 alc

Antenna Height Above Average Terrain - Antenna Height Above Average Terrain (HAAT) Calculator

4Z5NY Antenn calculators - The formulas for a dipole and vertical, j-pole, double square, Yagi and EH antenna calculators

Antenna Tilt Calculator

RF Transmission Line Loss Calculator - This calculator computes the matched line loss for a transmission line using a model calibrated from data for the transmission line types built in to the calculator. It also gives an estimate of the mismatched loss if the mismatch is specified.

Online Antenna Calculator - Java script antenna calculators for ground planes, half wave verticals, quad antenna, 5/8th wave vertical antenna, dipole and inverted vee antennas

Transformer for Ground-Independent Receiving Antennas - Transformers theory and calculator of turns on binocular cores. Comparison with toroid cores.

Gain of Helix - This article summarizes probably the most extensive numerical modelling calculations on the helical antenna ever performed.

Balcony and pedestrian mobile motor tuned loop - This antenna was designed to meet the requirements of a light body worn small magnetic loop covering all the frequencies continuously from 7 MHz to 29.4 MHz

Antennas: dirty little secrets I - Butternut article on calculating real efficiecy of commercial antennas

Yagi antenna Q Factor - How you can calculate antenna Q factor for use in antenna quality evaluation instead of use of VSWR bandwidth.

5/8 Wave Vertical Antenna Calculator  ^{updated  pop} - Design your own 5/8 wave vertical antenna. A simple jscript calculator at Antenna Elmer.

CantennaCalc - Kioan's calculator for building a Cantenna , directional waveguide antenna for long-range Wi-Fi

AntennaCompass Station Bearings - Antennacompass.com will calculate the distance and bearing for Ham, TV, FM, AM, and Shortwave stations and plot it on a compass like display.

D-Star Call Calculator - Calculate how to set call signs

The KA7OEI FT-817 pages - FT-817 Radio Modifications, Improving the FT-817 Noise Blanker, increasing output power, using rechargeable cells, epanding frequency range

The Yaesu FT-817 Transceiver - FT-817 manuals and schematics and diagrams

Falcon Radio - Dealer of cb, professional and commercial two way radios and accessories based in Spain and Italy

FA Palm - Grid Square - Grid Square for Palm OS calculates the Maidenhead Grid Square for a given latitude and longitude.

BeamFinder - BeamFinder is a software tool designed to conduct analyses for radio amateurs interested in radio propagation studies. It provides a large 2500 x 1800 pixel screen map of the world which displays calculated results from sophisticated models, dx data and other sources of information

Power amplifier for 2m rig - An RF power supply for 144 MHz schematics and instructions

Coil Inductance Calculator - Calculate the inductance of a single-layer, air-core coil.

Loss Calculator - Calculate power loss depending on coax cable you use

Kenwood MC-50 modification - MC-50 microphone modification for high emphasis

Calculating the Received RF Noise Power - Voacap, high-frequency ionospheric communications analysis and prediction

General Coverage Receiver - This is a compact three transistor regenerative general coverage receiver with fixed feedback