uhf design

Antenna Gain Comparison System - This device goal is to optimize homebrew antenna for the V/UHF band. This tool, is based itself on the simultaneously comparison between two antenna, directly in dB. by IK0BDO

Log Periodic Antenna Design  ^pop - calculates the dimensions and spacings of the elements needed to build a log periodic antenna, given tao, sigma and the lower and upper cutoff frequencies.

W2SZ/1 - Mount Greylock Expeditionary Force VHF/UHF Multiop Contesting Page

EUHFC - Slovenia contest club EU HF Championship

CommsAudit - Commsaudit uk, i/q quadrature , hf receivers, rf, multicoupler, multicouplers, switch matrix, antenna matrices, masthead amplifier,, vhf receiver, uhf,

Comtek Systems - COMTEK uses state of the art design and technology to offer every ham the most advanced antenna systems possible.

LNA Technology - LNA Technology High Performance Low Noise Preamplifiers for Amateur Radio, VHF-UHF weak signal, DX, EME, and commercial applications.

Discovery Power Amplifiers - The Discovery series of amplifiers are designed and built in the UK by Linear Amp UK Ltd, one of the world’s leading amplifier manufacturers, specializing in high power RF tube amplifiers. The amplifiers use large GS31 or GS35 ceramic triode tubes. Band coverage 6m, 2m and 70 cms

RAM Mounting Systems, Inc. - Ram mounting systems is a world leader for design and manufacturing of mounting applications. ram mounts offer more than 900 interchangeable components for unlimited uses and configurations.

DXBeam - Located in France, DXBeam designs and manufactures a range of monoband, dual band and triband antennas, rotary dipoles, Moxons and Yagis

Harbour Industries - Harbour Industries, the worldwide High Temperature and High Performance cable manufacturer, offers a wide range of Mil-Spec and Commercial designs such as NEMA HP3/HP4 and SAE AS22759

Neutrik, Connectors - Supplier of professional entertainment connector products. The company designs, manufactures and markets audio, video, fiber optic and industrial connectors

General Cable Home Page - Leader in the development, design, manufacture, marketing and distribution of copper, aluminum and fiber optic wire and cable products for the energy, industrial, specialty and communications markets

Radio Frequency Systems - RFS is a global designer and manufacturer of cable and antenna systems plus active and passive RF conditioning modules, providing total-package solutions for wireless infrastructure.

TNC-X - TNC-X - The Expandable TNC A new Terminal Node Controller (kit) design based on the Chepponis/Karn KISS protocol. It is implemented using a Microchip PIC 16F628A microcontroller, a CML MX614 Bell 202 modem chip, an 8K Ramtron FRAM

Piexx Cunputer and Electronics - Design and build custom electronics for clock enthusiasts, Juke Box collectors and the ham radio community. Produces radio interfaces, and radio upgrades.

GIGAVAC Ham Radio Relays - Gigavac is a leading designer, manufacturer, and worldwide seller of contactors and high voltage relays using vacuum, gas filled, and high voltage reed relay technology. hv relay applications information with cross reference charts for kilovac / tyco, jennings, and crydom part numbers.

ICOMM Tele Limited - Largest Capacity of 200,000 MT for Towers & market leader in India with backward integrated rolling & manufacturers of Shelters, V/UHF, Patch Panel Antennas, DIAS & DWDM Equipment

PSK31 Frequencies - HF VHF UHF PSK31 proposed frequencies

NashvilleAPRS - NashvilleAPRS is a website designed to help APRS users in Middle Tennessee have a single, knowledgeable resource on APRS in the area.

SQUIRL Field Day Logger Software - Squirl field day logger - a no-frills, easy to use software logger designed for field day logging operation. by KC8OPV

Log2000 - Log2000 is a program for logging and tracking QSO's, creating and printing QSL's and QSL labels. Designed for Windows 95/98, Windows NT and Windows 2000.

RX-PSK31 - Easy to use Audio Spectrum- and PSK31 decoding program specially designed for SWL's who don't need TX or for anyone who just like to monitor PSK31 or analyse signals. Adjustable DSP and Spectrum settings for audio and frequency spectrum analasys or to set it for best decoding of PSK31 signals. By ON6MU

Easy Kilowatt Linear Amplifier  ^pop - Rf amplifier for hf ham radio service - includes easy to understand designs and penny-cheap construction details

A Homebrew SSB Transceiver for 60 Meters - Description of the design and building of a homebrew phasing-type ssb transceiver for the 60 meter band by Paul Alexander WB9IPA