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Radio Amateur Club of Knoxville - ( RACK )

Club Russian Robinson for amateurs interested in radio communication from polar stations, islands and maritime mobile objects RRC founded in 1993. Goals are consolidation of radio amateurs, operating now or operated in the past on islands, drift-ice research, arctic and marine stations, signing their personal callsigns or as participants of DX-peditions.

Indiana, Pennsylvania, USA

Our Mission: To provide emergency communications to central Ohio public safety, emergency, health, government and relief agencies in times of disaster.

Forget Frustration: Gain Valuable Morse Skills And Increase Your Amateur-Radio Pleasure by N1IRZ

"Located at Nellis Airforce Base-Las Vegas, Nevada USA. Nellis RAC is a progressive radio club. Providing licensing classes, on-air code study group, vhf/uhf repeaters, emergency and public service communications, ""Aviation Nation"" Airshow Special Event Station N7V"

Amateur Radio dealer based in Japan

PSK Reporter provides a real-time visualization of amateur radio digital mode reception reports, aggregating data from a global network of monitoring stations. This platform is particularly useful for operators utilizing modes such as FT8, FT4, and PSK, allowing them to observe signal propagation paths and assess their station's reach. The interactive maps display reception reports, enabling hams to analyze band conditions and optimize antenna performance for various frequencies and times of day, aiding in understanding ionospheric conditions. Operators can filter reports by callsign, band, mode, and time, gaining insights into specific propagation events or evaluating the effectiveness of their transmit setup. The data collected helps in predicting optimal operating windows for DX contacts across various digital modes. Philip Gladstone is the contact person for comments and discussions regarding the system.

SCRRBA is a volunteer organization providing coordination of a number of heavily utilized amateur radio frequency bands in Southern California.

Serving Nebraska's oldest city, the Bellevue Amateur Radio Club provides public service support and emergency communicaitons services to the Bellevue and Greater Omaha area.

The Ellis County Amateur Radio Club is in Ellis County, located in North Central Texas just south of Dallas.

Amateur Radio Club in Edinburgh. Founded in 1949 with twice monthly meetings and a range of activites including talks, DF hunts, vists and contesting.

Otsego County amateur radio association

"KC2DVQ ""CB Os Piratas"""

Site for owners & prospective owners of the Ten-Tec Model 516 Argonaut V Amateur Radio Transceiver.

The mission of this Association is to foster and promote the hobby of Amateur Radio, to provide repeater systems for the Amateur Radio community, to provide public service and emergency communications when needed, to provide education for licensing, and to provide a forum for members to meet and exchange information, share experiences, and socialize with one another.

Promoting Amateur Radio in Kitsap County Washington

IMO was created in response to an ever growing need for international cooperation of meteor amateur work. Radio Observations.

WorkedFields is a windows free software to displays a map showing the amateur radio field squares contacted and logged in using a third-party logging program.

Operating RTTY digital mode, this resource provides access to various versions of the _2Tone_ software engine, specifically designed for decoding and encoding RTTY signals. It details the evolution of the software, highlighting a significant technical requirement change where versions 24.09b through 26.01a necessitate a PC CPU with the AVX instruction set, a crucial detail for operators considering system compatibility. The page lists numerous historical and current releases, enabling users to select a version compatible with their hardware and operating environment. The utility of 2Tone lies in its ability to interface with established amateur radio programs such as _N1MM Logger+_, WriteLog, and QARtest, enhancing their RTTY capabilities. While specific performance metrics like decoding accuracy or WPM limits are not quantified on this page, the availability of multiple versions, including those without AVX requirements, suggests a commitment to broad user accessibility. The software's integration with major contest logging applications indicates its primary application in competitive RTTY operations, where reliable decoding is paramount for achieving high scores.

A club for hams who are also regulars on IRC (Internet Relay Chat).

The florida contest group, is the first amateur (ham) radio contest club, organized in the state of florida.

Club page of the police amateur radio team-wb1gof of westford, massachusetts

Deutscher Amateur-Radio-Club

This group is dedicated to those who are interested in getting started in amateur radio or upgrading to a higher class license

Demonstrates a specialized **DX cluster** designed to support the annual Jamboree On The Air (JOTA) event, facilitating real-time spotting for participating Scout stations. While its web interface has been discontinued due to security concerns, the cluster remains fully operational and accessible through standard cluster software. Operators can connect to the JOTA cluster by pointing their client to www.pi4raz.nl on port 7300. This setup allows for the exchange of **DX spots** and other operational information relevant to JOTA participants, ensuring that Scouts and their amateur radio mentors can continue to make contacts and log stations during the event.

The largest and oldest amateur radio club in Central Florida with over 300 members and growing

The Nederlandse Vereniging voor Radio Amateurs (NVRA) operates from Haarlem, Netherlands, under the club callsign PI4HLM and maintains an ATV repeater, PI6HLM. The organization's website provides updates on internal governance, such as the postponement of a General Members Meeting due to necessary amendments to its 1986 statutes. These amendments are required to comply with the Wet Bestuur en Toezicht Rechtspersonen (WBTR) — Dutch legislation concerning the governance and supervision of legal entities. The NVRA's operational focus includes local amateur radio activities, indicated by its Haarlem location and the presence of a **PI6HLM** ATV repeater. The club's adherence to national legal frameworks for non-profit organizations, specifically the **WBTR**, demonstrates its structured approach to club management and long-term viability within the Dutch amateur radio community.

Web Site of Ukrainian Club Amateur Radio station from Vernadsky Research Station on Galindez island EM1U

Le rendez-vous des radioamateurs ORGanis?s !.

BFRA includes LZ callsign search

The K1IW Amateur Repeater and Broadcast Transmitters Database Websearch provides an interactive form to generate lists of amateur repeaters and broadcast transmitters. It covers all fifty U.S. states, the District of Columbia, and the ten Canadian provinces. Users can specify search parameters to retrieve relevant repeater data, including frequencies and locations for VHF, UHF, and other bands. The resource presents data for various amateur bands, including 6 meters, 2 meters, 1.25 meters, and 70 centimeters, alongside broadcast AM, FM, and TV transmitter information. It also offers a CHIRP-file generator, enabling users to export repeater configurations directly for programming their transceivers. This functionality enhances the utility for hams seeking to update their radio memories with current repeater information. The database serves as a practical reference for mobile and portable operations, providing essential details for accessing local and regional repeater networks.

Oakcallsigns.com specializes in custom-crafted oak call signs, presenting various designs for amateur radio shacks. The resource showcases different styles, including standard call sign plaques and options featuring iconic ham radio silhouettes like the _D-104_ microphone. Each item is described with pricing, ranging from $15.00 to **$25.00**, and includes details on shipping and seller reputation. The platform highlights the craftsmanship involved, emphasizing personalized scroll-saw work on each oak piece. It details the seller's positive feedback rating of **99.4%** from over 10,000 transactions, indicating a reliable source for these unique accessories. The site also provides information on the number of units sold for specific designs, such as 2,338 for the standard call sign gift and 554 for the smaller personalized version. This commercial offering focuses on decorative and personalized items for the ham radio enthusiast, distinct from operational equipment. It serves as a direct retail channel for custom shack adornments.

US amateur radio antenna manufacturer, design and build monoband, dual band and multiband Yagi Antennas for HF bands as well as receive antenna systems

Amateur radio spectrum management and frequency coordination entity for 219

A group of American amateur radio operators who are living in Germany and come together to participate in amateur radio activities

Amateur radio antennas manufacturer, produce multiband and monoband high performance yagi antennas and vertical antennas based in Poland

AMSAT NA official web site.

GCARA is a general interest amateur radio club intended to promote amateur radio, electronics education and fellowship through amateur radio in the Greater Cincinnati Tristate - Indiana, Ohio and Kentucky area. The club service area lies within a circle having a radius of 25 miles from downtown Cincinnati.

Homebrew Tubes/LDMOS amplifiers, Antenna, accessories, adventures in 9Q, DX, UN missions, Contests, and more.

Article from 73 Amateur Radio Today about experimenting on ferrite loops transmitting loop antennas for 80 and 160 meters bands.

This is a group for CBers, Sidebanders, Amateurs and Freebanders. Items to be discussed are CB, Skip, Skeds, DX communications, SSB, export radios, Radio equipment, mods, ham radio, repairs, electronics, CW, PSK31, RTTY, digital, and different radio shops.

The _ISS Detector_ Android application, with over 5 million downloads, offers precise predictions for visible passes of the International Space Station. It notifies users minutes before an overhead pass, integrating local weather conditions to ensure optimal viewing opportunities. The core functionality focuses on the ISS, but in-app purchases extend its capabilities to track other celestial and artificial objects. Optional extensions, available via in-app purchase, allow users to monitor dozens of amateur radio and weather satellites, providing real-time transmitter information and Doppler frequencies. Additional extensions cover _Starlink_ satellites, the _Hubble Space Telescope_, rocket stages, bright satellites, comets, and planets, expanding the scope beyond the ISS to a broader range of observable space phenomena. The app's interface is designed for ease of use, displaying pass times, directions, and elevation. It adapts predictions based on the user's GPS location, ensuring accurate local forecasts. The latest update, dated April 3, 2026, includes corrections for magnitude values and various speed and stability optimizations.

Allow the reception of amateur signals on domestic AM-only short wave receivers article and project by VK3YE

Amateur Radio 40m 20m 15m Half Wave Fan dipole antenna project with part list, pictures and drawing. Includes the option to expand the antenna to cover the 80 meters band

The 9W2VVH blog documents the amateur radio journey of Hussairy, focusing on his station setup and operational experiences from Malaysia. Content includes details about his _Yaesu FT-857D_ transceiver, which serves as the primary rig for HF, VHF, and UHF operations, often paired with a _G5RV_ antenna for HF bands. The site also features discussions on various aspects of ham radio, such as antenna experimentation and QSL card exchanges, reflecting a hands-on approach to the hobby. Operational updates frequently cover DX contacts and local ragchews, providing insights into propagation conditions and operating techniques from Southeast Asia. The blog serves as a personal log and sharing platform, showcasing the practical application of amateur radio equipment and fostering connections within the global ham community.

Amateur radio windows fonts with slashed zero and Phi also listed some morse code fonts available to download

Women Radio Operators of New England was established in 1955. WRONE is an amateur radio club for female radio operators living in the six New England states