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Wireless Institute of Australia repeater directory and database, with updates on repeater activities.

Roger Balister, G3KMA, RSGB IOTA Manager -monthly newsletters giving latest IOTA information including updates on IOTA Directory, recent operations and useful links.

Transistor and its history and lot of related infos

New England Repeater Directory (NERD) is the most accurate and up to date amateur radio repeater database available in our region. It is maintained by local volunteers of the amateur radio community. The listings are a reflection of each repeater's true status, regardless of their coordination

It origionally included NYC Metro and Long Island, but has expanded to cover all of eastern New York as well. Future plans include expanding to cover all of New York state. The listings are a reflection of each repeater's true status, regardless of their coordination

Welcome to the Amateur Television Directory, the source for finding sites related to Amateur Television and Ham Radio. Find out where Amateur Television is being used in your state or country.

Live Police and Fire scanner feeds from Albion PA, Erie County PA USA.

The only worldwide amateur radio repeater directory. Supports Android, iPhone, web, RT Systems, CHIRP GPS enabled. AvMap, Garmin, TomTom

A live map of current KiWiSDR receivers available on the network. It allows users to explore a directory of web-controlled receivers for listening to HF and VHF stations worldwide. The site provides access to remote ham radio stations online, making it a valuable resource for amateur radio operators.

What you really need to know about spectrum analyzers

Enables every Ham to easily find repeaters across the the World, USA, Canada, Mexico and over 35 other countries, for free and without a network connection using the RepeaterBook Directory.

The _DL4EBY_ resource page provides operational data for Earth-Moon-Earth (EME) communications on VHF, UHF, and microwave bands. It includes a 432 MHz and above EME Directory in ASCII and HTML formats. _K1RQG_ provides 432 MHz and up EME Net Notes. EME Operating Procedures were confirmed at the EME Conference 2002 in Prague. A lunar calendar from _DL7APV_ is linked via _G4CCH_'s pages. Resources for CW contest operation include the _PED411i.zip_ file. A "Cheat Sheet 432 & up" is available for EME operations. The _Dubus_ 70cm CW EME Activity Event is referenced for moonbounce activity. DXZone Focus: Operating Activity | Global | EME, CW | VHF, UHF, Microwave

RadioMasterList, a comprehensive receiver and transceiver directory. Performances and specifications for every radio set

The amateur television directory

Complete test equipment dealers and distributors directory and test equipment community forum for engineers to share knowledge.

Kansas Repeaters directory

The official IOTA web site, designed by the IOTA IT Team to meet the specific needs of those participating in the IOTA programme includes IOTA directory, IOTA spots and all the IOTA programme information.

USA Amateur Radio Repeaters Directory, 2m and 70cm bands.

This page show a list of repeaters in north america transmitting from 28 MHz to 29 MHz. The most of them are in the 29.620 to 29.700 frequency range. Some repeaters may be active and on the air while others may not

NetFinder is the ultimate directory for Ham Radio and SWL enthusiasts, designed to connect Amateur Radio operators through organized nets. Nets are scheduled gatherings on specific frequencies, ranging from formal emergency communication training to casual chats among Hams. Offering a platform for camaraderie and skill-building, NetFinder simplifies the process of discovering nets, fostering deeper engagement in the hobby. With a vision of cataloging every net worldwide, NetFinder aims to make these vital connections accessible to all operators, enriching the Amateur Radio community.

This website provides information and resources for CubeSat developers, including a directory of CubeSat projects and a forum for discussing CubeSat-related topics. The CubeSat standard facilitates frequent and affordable access to space with launch opportunities available on most launch vehicles.