general class study guid

Ground / Radial Systems - Guide to ground mounting antennas by Bencher

Calculate antenna gain  ^updated - Guide to calculate effective gain of antennas

WB6WUW Amature Radio Tower Installation - Wb6wuw's pictorial guide to the erection of free-standing towers starting with excavation and ending with antenna installation

Wlan antenna Waveguide type - This antenna is constucted only of a cylindrical can and a N connector with centre tap lengthened

ARRL General Rules - General rules for All ARRL Contests

The Guide of Japanese IOTA Points - Introducing Japanese IOTA points and islands to foreign amateurs.

9w2bba Blog Site - Knowledge and guide on Amateur Radio mix in Malay & English Language for Malaysian SWL & Amateur Radio Operator.

Bavarian Packet Radio Group - This site provides information about the BayCom packet radio hard- and software for radio amateurs. It also contains general information on the German packet radio network.

CE2GVM Radio Club Gaviotas Chile - Radio Club Gaviotas, Vina del Mar, Region Valparaiso, Chile, CE2GVM, radioaficionados de Vina del Mar, Diploma RC Gaviotas, telecomunicaciones, licencia, radioaficionados CE, radioaficionados XQ, Novicio, General, Superior, CW, DX, radio clubes

Amateur Radio Licencing in India - Beginners guide and introduction to get started in ham radio if you live in India

6 Meters and Up: SSB/CW DX - This is a group for amateur radio operators interested in VHF and UHF SSB and CW, primarily in North America. It's intended for general discussions of V/UHF operation, beacon information, reports of tropo and Es openings and anything else of interest to V/UHF DX enthusiasts

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

WSJT manuals and user guide - WSJT manuals and user guides in many languages

NOAA Space Weather Scales - The NOAA Space Weather Scales were introduced as a way to communicate to the general public the current and future space weather conditions and their possible effects on people and systems. The scales describe the environmental disturbances for three event types: geomagnetic storms, solar radiation storms, and radio blackouts.

IPS - HF Systems MUF maps and prediction charts - These pages provide general propagation advice for HF communicators. Information available includes inferred global propagation conditions, real time HF fadeout coverage charts, regional ionospheric vertical MUF maps and Hourly Area Prediction charts for Astralia and Asia, Europe and North America

Radio Ranch - The place for great Classic communications gear & parts

NDB Weblog - Many NDB radio enthusiasts publish their reception logs on the web. A completely separate system designed for individual listeners to make their own logs and obtain statistics on NDBs, DGPS and now Navtex Stations they have received. Log listings can be exported in a multitude of formats and then emailed to the NDB List

WASP-NET - Complex CAD and Optimization Software for Waveguide, Coax, Combline and Antenna components design and antenna modelling

Ham Radio Question pools for all licences - FCC/VEC Amateur Radio Question Pools for Technician- General- and Extra-class Licenses eBook for Palm OS

EggsHam - EggsHam is a PalmOS application that generates (and grades) _practice_ amateur radio licensing exams. It is for people interested in obtaining an amateur radio license in the US, who want to practice for the Technician, General, or Extra written exam.

Class E - This program simplifies the design of the single-ended Class E amplifier. Operation is intuitive and encourages "tuning" and exploration.

Base-Station RF Power-Amplifier Biasing - Power amplifiers used in base stations require biasing for proper RF performance. This article explains the two classes of biasing that are prevalent in the RF industry, analyzes their characteristics, and shows implementations with existing ICs.

Introduction to amplifier design - These tutorials will teach you in very easy steps how to design A class amplifiers.

The MGM Interface - General purpose RTX-PC sound card Interface for MGM (Machine Generated Modulation)

The Basic Soldering Guide Photo Gallery - These photos illustrate the basic steps in making a perfect solder joint on a p.c.b