Phased Array Adjustment
- KM5KG article presents a lumped-parameter tee-network model of the coupling between radiating elements in a phased array in order to provide a physical and intuitive understanding of phased array operation and adjustment interactions
- Article by By David Knight and Nigel Williams on Impedance Matching, basic principles, popular matching networks, L-Network solutions, materials and components in impedance matching designs
Euro QSL Bureau
- European Radio Amateurs' Organization (EURAO) QSL Bureaus Network with the strong commitment to make available, whenever possible, to all radio amateurs their QSLs at no extra cost other than shipping and handling, without any kind of restriction
CARLA Repeater Network
- C.A.R.L.A. is a growing network of repeaters providing coverage across Northern & Central California and Western Nevada. It is intended to be used as a reliable communications resource during significant local, regional and wide area incidents, and is open to alllicensed amateur radio operators
Southeastern Asterisk Radio Networks
- Interoperability solutions via Asterisk based RF Gateways - Southeastern Asterisk Radio Network (SEARN) and the Southeastern Asterisk Amateur Radio Netwok (SEAARN) are designed for the purpose of developing interoperability capabilities amongst diverse communications systems. Digital Amateur Radio Project Association - DARPA expanding the digital experience.
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The Amateur Television Network
- Fast Scan Amateur Television in Alabama, Arizona, Northern California
Southern California, Georga, Illinois, Indiana, Kentucky, New Mexico, Nevada,
Texas, Washington, Delaware, Maryland, New Jersey, and Pennsylvania.
The PropNET Project
- PropNET is an ad-hoc 2-way (and potentially, "more-way") RF-based digital communication network whose activity is reported on the Internet. As participating stations periodically ID and exchange data, they report their activity to an Internet data-collection hub for presentation through this web site.
- Lets you listen to your scanner across your own network, or via the internet.
Shoutcast/ICEcast compatible broadcasting for Uniden and GRE scanners.
Broadcast your audio from your PC.
- This article describes a low-cost vector network analyzer that operates from 200 kHz to 100 MHz, and connects to a personal computer using a USB 1.1 interface By Tom McDermott, N5EG, and Karl Ireland