general class study guid

QPR and portable antennas articles - This is a collection of articles, generally from QRP-L, about QRP operations and portable antennas

Ah-4 unofficial home page - Here you can find information on Icom's AH-4 automatic antenna tuner. Check out General Information on the AH-4 Tuner.

Chelan-Douglas RACES Group - The Chelan-Douglas Radio Amateur Civil Emergency Services (RACES) Group provides emergency communications services in times of need to requesting agencies throughout North Central Washington State. Chelan-Douglas RACES is hosted jointly by both Chelan and Douglas County Emergency Management. The group is composed of registered Washington State Emergency Workers who hold an Amateur Class Radio License. All members are volunteers who have other primary jobs, and donate their spare time upon request to support emergency operations.

ZL2UCX's Blog - A Blog for Steve Davis - ZL2UCX. Stuff about IT, Amateur Radio, Search and Rescue, Civil Defence / Emergency Management, Scouting and life in general.

Ham radio at tribe.net - For amateur radio enthusiansts, general web log

The Society for the Preservation of Amateur Radio - The Society for the Preservation of Amateur Radio is a non-partisan group of concerned amateur radio operators working together to ensure the vitality of the Amateur Radio Service by promoting technical abilities among Amateur Radio Operators. Includs a beginners guide booklet.

HAM Rádio BR / Feirnha DIGITAL - Brazilian free classifieds, links and more.

Operating Practice - ON4WW - A must read guide for all new and old operators. This document was originally written with the prime focus on DXing and pileup behavior. Suggestions by proofreaders have been implemented; the document is not as narrowly focused anymore as originally intended. It contains hints, tips and tricks for newcomers as well as old-timers. Additionally there are VHF/UHF operational matters, DX Cluster ethics, COPS, Conflict Situations and more.

Olivia - The Olivia transmission system is constructed of two layers: the lower, modulation layer is an (almost) classical Multi-Frequency Shift Keying (MFSK) and the higher layer is a Forward Error-Correcting (FEC) code based on Walsh functions.

The Amateur Satellite Resource Guide - a comprehensive guide to amateur satellite, written by Mike Seguin, N1JEZ in pdf format

A VHF Operator's Guide - VHF bands introduction and operating guide by VE3VDC

Yaesu transceivers quick reference guides - Quick reference guides for yaesu radios

FT-817 / 847 programming - The Yaesu FT-847/817 CAT Command Structure General Overview & Link Communications Repeater Controller's Remote Base Control

VX-5R Radio Guide - This reference site is dedicate to the Yaesu VX-5R

Yaesu VX-5R Review - Strong signals review of Yaesu VX-5r

Michigan area radio enthusiasts - Michigan area radio enthusiasts, inc. is a non-profit club of swls, dxers, scanner buffs and general radio nuts, serving radio hobbyists with schedules, discussion groups

Radio Clip Arts by coolclips.com - General radio clip arts

TalkingLogBook - A Windows Freeware general purpose logging and CAT rig control program, primarily for the visually impaired. It has options for improving screen readability including the option of changing font size. Turn on the synthetic speech capabilities and your PC can announce frequency and mode information from the radio and log book information.

FhG Software Radio - The Fraunhofer Software Radio is a first-class DRM reception system which provides audio and multimedia data content

M0KGK SDR Decoder Software - KGKSDR is my attempt at some SDR decoding software. I'm putting this software together purely as a learning exercise, to better understand the mathematics behind SDR in general.

Grounding and RFI - Described system was designed to provide a high level of lightning protection - there are three levels of defense to guard against let-through. It isn't perfect, but does, however, follow good guidelines and shows measured improvements in RFI reduction.

VK5VKA 's non technical bpl/plc information - VK5VKA page contains general information and comment on "BPL" (Broadband over Power Lines) or as it is known elsewhere "PLC" (Power Line Communications).

Broadband news: EU sets bpl guidelines - The EU has followed the U.S. lead in clarifying rules surrounding BPL (broadband via power-line) technology

Amsat-na government filings - Amendment of Part 15 regarding new requirements and measurement guidelines for Access Broadband over Power Line Systems

Howstuffworks: BPL - Another general tutorial on BPL