practical wireless

The Gain of an Endfire Array - This article looks at the maximum theoretically possible directive gain that could be obtained with an endfire array of given length or number of elements, and compares this with practical results in the literature.

Practical Guanella 1:1 balun - This article proposes a lossy transmission line model of a practical Guanella 1:1 balun that is effective for all frequencies within and immediately adjacent to the pass band

Antenna Fundamentals - Adalet wireless document on antenna basics in a four pages pdf file

Antenna Measurements - The electrical characteristics of an antenna that are of interest to obtain by direct measurement are the frequency at which the antenna is tuned, the gain and radiation pattern

Measuring antenna gain - Practical ways to get accurate results by Wayne Overbeck, N6NB

Horned Toad Acres Wireless Association

K3WWA Wattsburg Wireless Association - Ham Radio serving the community of Greene Twp & Erie, Pa. and surrounding areas

W3CMA Tamaqua Wireless Association

AmateurLogic.TV - Amateur radio videocast, your source for practical technology hacks, mods, and tips. Available on youtube or google video

YouTube : AO-51 Videos - Videos of AO-51 operations. Randy K7AGE has produced a number of practical and useful videos including good info on a minimal antenna setup for AO-51 reception.

Anritsu - Provides technology and solutions for the electronic test and measurement, optical, rf and microwave, wireless, wired, telecommunications. Make Frequency Counters, Antenna and spectrum analyzers, power meters, signal generators

Structural Components - Designer and supplier of tower reinforcement systems to the wireless industry.

Long Wave Radio - The World of LF, by G3YXM reference site for longwave operations. Introduction to operating on 136 and 501 Khz

Build a 136 kHx TX - Two versions of a 350 and 900 W output TX for longwave by G3YXM

Mobile on 136kHz - G3YXM mobile operations on 136 Khz !

Sporadic-E propagation at VHF - This review of progress and future Prospects provides a practical guide for effective use of VHF sporadic-E propagation. By Emil Pocock, W3EP.

Long Range Wi-Fi - Long range Wi-Fi antennas you can build. Helicals, parabolics, and biquads discussed. How to add external antennas to WUSB54GC and F5D7050 usb wireless adapters for long range connections.

Tentec/Globe Wireless RX-321/RX321 - This page is dedicated to amassing information on the Tentec/Globe Wireless RX-321/RX321

Nuhertz Technologies - Leading supplier of low and high frequency electronic filter design products for the design of wireless telecommunications equipment, semiconductors and more

Filtroid - Filtroid is an extremely easy-to-use program for synthesizing microwave filters. It can be used to design practically all filter types from audio to microwave frequencies as well as amplitude and delay equalizers and attenuators.

CTR-Remote - CTR-Remote is an enhanced version of CTR817 (a Pocket PC radio control program for the Yaesu FT-817). The program has been completely re-written using Microsoft Visual Studio .NET and now supports a wider range of radios, Bluetooth® wireless technology and/or TCP/IP and Wi-Fi radio control, ADIF log import and export format, custom frequency lists, DX Cluster monitoring, callsign lookup, and enhanced scanning options.

144 Mhz power amplifier 4CX250B - This page provides information on the design and practical implementation of a rather inexpensive 144 MHz high power amplifier using a pair of ceramic tetrodes type 4CX250B by LA0BY

Microwave spectrum analyzer - A practical approach to microwave signal analysis for the home experimenter

2.4GHz Spectrum Analyser - This is a simple project that allows you to monitor the 2.4GHZ band in your immediate vicinity.

Homebrew RF Test Equipment - Several projects which will allow you to build your own RF design test equipment.