math practice

Transmitting Line Condition vs. SWR Table - One another useful Table for the HAM's practice.

Two-Wire Transmission Line - 2 wire transmission line explained

Construction Practices - The construction of light weight structures that support wire antennas requires some definite insight into the behavior of the materials

Exploring the secrets of the Smith chart - If you're a Radio Engineer wannabee, you need to understand transmission lines. It's impossible to really understand transmitters and antennas without understanding lines. Using the Smith chart is far easier than really understanding the math by Chris Scott and associates

Contest Operating Practice - Operating practice in english

Contesting: Good Practices, Interpretations and Suggestions - HF Contesting Good Practices, Interpretations and Suggestions by ARRL

QSL and green stamps by ON4SKY - What become our QSL once sent ? QSL routes, IRC and green stamps, the best and worst practices.

VR2UIX Blog - This Blog is about the Hong Kong Radio Amateur Station VR2UIX, rigs, antennas, accessories, DXing activities, HAM resources, knowledge, theory, practices, management, information technology and personal interests.

North Shore Amateur Radio Club - To encourage amateur radio operators to participate fully in the advancement, practice and promotion of amateur radio, within the communities of the North Shore.

K6BW Hamilton Wireless Association - Is a group who enjoy gathering together to practice the hobby of Amateur Radio.

W6WGZ Madera County Amateur Radio Club - The Madera County Amateur Radio Club was formed for public service, education, scientific and recreational purposes of amateur radio and to elevate the standards of operating practices and ethics in amateur radio communications. San Joacquin Valley California

N1KT-Housatonc Amateur Radio Club - The Housatonic Amateur Radio Club was formed in 1995 to foster the development of Amateur Radio and advanced Ham Radio operating techniques, both through theory and on the air practice.

European PSK Club - The European PSK Club, or EPC for short, is an informal club of amateur radio operators dedicated to maintaining high levels of amateur radio communications on PSK modes. Its purpose is to promote activity and good operating practice on the PSK modes on all amateur bands

Radio QTH practice exams - Call sign lookup system based on FCC database allow lookup for vanity call signs, practice exams and simple online qsl card creation

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.

A new method of radio direction finding Priority listing - A method of finding radio sources with antennas based on omni-directionality (the less directional the better coverage). Uses energy levels and some sophisticated math (encompassed in a free software download on the site) to find x,y,z coordinates of the fox relative to the center of your antenna array. Can be overlayed on a GPS map to help you locate in real-time.

The KB6IBB Utilities - Ham radio frequency list consolidation software. The Ham Radio database can house a unlimited number of records. Holding frequency information from DC to Daylight. The Radio Scanner Database is designed to emulate a radio scanner. A 5,000 record table is provided and is organized by channel number.

Just Learn Morse Code Priority listing - An excellent tool that makes it easy to learn and practice Morse code.

Smart Morse - Morse code tutoring program for the Palm powered PDA. The main feature that separates Smart Morse from other programs of this nature is the fact that this program learns about you as you practice

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.

0sxsat - On the Satellitenprogram of DJ0SX Peter one can provide time schedules for over 500 satellites or count 23 satellites real-time imTextmode. The large advantage exists in thought out and of long observation practice which are due flexibility in the selection and the requirements to a satellite program. The program runs under Windows 95/98, NT, XP, 2000. ( German ) ...On the Satellitenprogram of DJ0SX Peter one can provide time schedules for over 500 satellites or count 23 satellites real-time imTextmode. The large advantage exists in thought out and of long observation practice which are due flexibility in the selection and the requirements to a satellite program. The program runs under Windows 95/98, NT, XP, 2000. ( German ) ...On the Satellitenprogram of DJ0SX Peter one can provide time schedules for over 500 satellites or count 23 satellites real-time imTextmode. The large advantage exists in thought out and of long observation practice which are due flexibility in the selection and the requirements to a satellite program. The program runs under Windows 95/98, NT, XP, 2000. ( German )

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.

Antenna elevator system for amateur satellites  ^pop - Smart homebrew antenna-ELEVATOR system with linear actuator. The actuator is a cheap and heavy tool with high enough torque, ideal for elevation systems, but in practice it needs quite an effort in order to operate correctly in your homebrew antenna system. This page inform you of the actuator's secrets.

Using Batteries - Batteries in fact and fiction. Batteries, Cells,Chemistry, Math and Radios

FM Morse Code Keyer - A simple circuit which will generate a 700 Hz tone into any FM transceiver allowing an amateur to practice CW with another amateur on a 2 meter simplex frequency.