Search results

The Giles Amateur Radio Association, Inc., located in Giles County Virginia was founded on May 10th 1992

A non-profit organisation devoted to the preservation of early radio equipment and associated historical information.

A nice presentation for beginners by Radio Club of Tacoma

Twenty-four repeaters, including D-STAR and Fusion systems, are maintained and operated by MARCA Inc., primarily located on Arizona mountaintops and around the Phoenix metropolitan area. The organization, holding the callsign _W7MOT_, facilitates a wide range of amateur radio activities, such as ARRL Field Day events near Forest Lakes, Arizona, and participation in ARRL FMT contests. Members engage in antenna experimentation, construction, and maintenance trips to repeater sites. The club's interests span diverse topics, including HF voice, digital modes like _WSPR_, _WSJT-X_ (FT8, FT4), and CW, alongside DXing, MESH networking, and EOC operations. It supports technologies from SDR radio building to antique radio restoration and computer-based operations like Echolink, fostering a Single Board Computer (SBC) and Raspberry Pi group. Monthly meetings, held on the third Tuesday, feature business discussions and guest presentations, with informal summer gatherings and an annual holiday dinner in December. Monthly VE testing sessions for Technician, General, and Extra Class licenses are conducted by Ray Vasquez, K4RMV. Post-meeting discussions often cover specialized interests such as repeater operations, technical topics, D-STAR, SDR, APRS, Fusion, and Raspberry Pi projects.

The WB5RVZ Genesis Radio G40 build log documents the construction of a 5W QRP 40m SDR transceiver kit, detailing each phase of assembly from power supply to RF filtering. It provides specific component lists, parts placement diagrams, and testing procedures for stages like the local oscillator, Tayloe detector, and RX op-amps. The resource highlights discrepancies between documentation versions and offers practical advice for builders, including a "virtual build" approach to preemptively address potential ambiguities in component identification and placement. It also addresses a specific "VK6IC Fix" for early board revisions, involving trace cuts and jumper wires for improved performance. The build log presents measured voltages and expected current consumption for various stages, such as the 4.9-5.0 Vdc on the 5V rail and under 100mA for RX current. It outlines critical adjustments like image rejection tuning, a common procedure for direct conversion receivers. The resource also includes practical tips for handling components like the 2N3866 transistor and its heatsink, emphasizing pre-assembly. It details the winding of two 1.45 uH toroidal inductors on T50-6 cores with 17 turns of #20 AWG wire, crucial for the RF path.

Home page of the Siskiyou County Amateur Radio Association located in northern California; Club Call Sign is K6SIS.

SIARC is not for profit corporation located in Ontario County, N.Y

An ARRL special club service

The Ontario Science Centre Amateur Radio Club (OSCARC) provides volunteer support to the Amateur Radio (ham radio) demonstration station at the Ontario Science Centre in Toronto, Canada.

A general interest amateur radio club where all hams are welcome

The Hamilton Amateur Radio Club operates the VE3NCF repeater, 146.760- and 444.075+MHz. It is open for use by all Hams

The Easton Amateur Radio Society's web site Easton, Maryland

A home made 4 element yagi antenna that can be easily adapted for 10 meter band

A very popular method of making a short dipoles resonate at a given frequency. This type of antenna is suitable for single band, narrow bandwidth use.

The Delaware Valley Radio Association is a non-profit 501(c)(3) organization devoted to the promotion and preservation of the amateur radio hobby. The club is comprised of amateur radio operators and their families.

Transferring Radio Frequency Energy from Your Transmitter to Your Antenna by Don Keith N4KC

Motorola Amateur Radio Club, Schaumburg chapter

Ham Radio podcast

Our purpose is to have fun with Amateur Radio, to help others that wish to join the hobby, and to offer assistance to our community in times of eminent danger or disaster.

In italian language, ham radio tales

Expanding tx range of a TH-D7A

Over 20 distinct discussion categories are available on the Amateur Radio Discussion forum, encompassing a wide array of topics relevant to radio enthusiasts in the UK and beyond. The platform facilitates exchanges on technical aspects of amateur radio, including antenna designs, equipment reviews, and operating practices across different bands. Specific sections are dedicated to CB radio and shortwave listening, broadening its appeal beyond licensed amateurs. The forum's structure supports detailed discussions on operational challenges like the "Work All Postcodes" award, which encourages contacts across UK postal districts. Members can track personal statistics, manage contacts, and engage in challenges, fostering community participation and skill development. The resource provides a centralized hub for sharing knowledge and experiences among radio operators, offering practical insights into diverse radio communication facets.

Over 100 trained amateur radio operators comprise the New York City Amateur Radio Emergency Communications Service (_NYC-ARECS_), an auxiliary communications service dedicated to providing vital radio links during local, regional, or national civil emergencies. This organization supports governments, civil-preparedness, and relief agencies in situations such as power failures, explosions, fires, floods, earthquakes, or terrorist activities. Their operational readiness is critical for maintaining communications when conventional infrastructure fails, leveraging the resilience and adaptability of amateur radio. NYC-ARECS actively participates in the NYC Office of Emergency Management (_OEM_) Partners in Preparedness program and is a member of DHS FEMA's National Preparedness Coalition, demonstrating its integration into broader emergency response frameworks. The group's activities include regular training, maintaining operational readiness, and deploying communication assets across the five boroughs of New York City. Their efforts ensure robust, independent communication channels are available to support disaster relief and public safety operations.

Radio central, rcarc, amateur radio, radio central amateur radio club

Dedicated to the Preservation and Enjoyment of Vintage Radio and Wireless Equipment Serving the greater Portland, Oregon area

Plano Amateur Radio Klub

Russian amateur radio dealer for major ham radio brands like ICOM KENWOOD YAESU, MFJ, RigExpert

A great amateur radio shack desk done with a second hand solid core door, measuring 32 inches wide by 80 inches long.

The amateur radio club of el cajon is a group of persons from all walks of life with a command thread amateur radio.

Article describes a circuit that accelerates the coil of DC relays by momentarily doubling their voltage.

International Public Access Radio via IRRS Shortwave and Internet Radio NEXUS via MP3 streaming audio

Hundreds of ham radio operators in the US Midwest rely on regional hamfests for equipment sales, technical presentations, and social interaction. This Yahoo Groups forum serves as a dedicated platform for promoting these events, allowing organizers to post announcements and attendees to find information on upcoming gatherings. The group's focus is specifically on hamfests within the Midwest, facilitating local and regional participation in these important amateur radio activities. The platform enables members to share details about various hamfest activities, including flea markets, vendor exhibits, and license examination sessions. While the group primarily functions as an announcement board, it also supports community discussion related to event planning and attendance. The resource helps hams locate nearby events, fostering engagement within the Midwest amateur radio community.

Linked Repeater System in Darby, PA

RUSSIA Ham radio club AMUR, FarEast Khabarovsk. News, events, photos.

Simple QRP projects, 10m, 6m, WSPR beaconing, sub-9kHz and other random stuff

Sultan, Washington

Radio amateurs worldwide are being asked to help collect data from the student-built SSETI Express satellite, due to be placed in orbit on 27 September. To encourage them, ESA’s Education department has organised two competitions and is supplying free downloadable software.

The K9IU Indiana University amateur radio club provides a robust station environment for its members, located within the Indiana Memorial Union. This setup includes a variety of radio resources, making it accessible for students and faculty interested in two-way radio communication, from local ragchews to international DXing. The club's facilities are available for use at any time, fostering an active amateur radio community on campus. Members can engage in various aspects of the hobby, utilizing the club's equipment for operating on different bands and modes. This hands-on access supports learning and practical experience in radio theory and operation, which is crucial for new hams and seasoned operators alike. The K9IU club serves as a central point for amateur radio activities at Indiana University Bloomington, aligning with the university's broader academic and extracurricular offerings.

A list of active Amateur Radio satellites grouped by FM SSB/CW and satellite monitoring

CCAE Software Log provides a dedicated platform for amateur radio operators to manage their QSO records, offering functionalities beyond basic logging. This application supports various operational aspects, including contest participation and general DXing activities, catering to the needs of radio enthusiasts who utilize classic equipment such as Collins radios. The software integrates features for efficient data entry and retrieval, allowing users to maintain a detailed history of their contacts. It is designed to be intuitive for operators focused on collecting and preserving their radio communication logs. The program's development by the European Collins Collector Association (F6HOY) suggests a focus on reliability and specific utility for vintage radio enthusiasts. Its core function is to serve as a robust **logbook software**, facilitating organized record-keeping for ham radio operations.

Florida Antique Wireless Group

CMARC has been serving the greater Columbia and Montour region for over 25 years.

The IZ3MEZ Web DX Cluster presents real-time amateur radio DX spots across 20 distinct frequency bands, spanning from **LF (2190m)** at 135.7 kHz up to **SHF (QO-100)** at 10499 MHz. It displays the DX callsign, frequency, DXCC entity, spotter callsign, and spotter DXCC entity, along with any accompanying comments. The cluster also lists various operating modes such as CW, RTTY, FT8, FT4, FT2, PSK, and SSTV, and supports special operating activities like QRP/P and specific award programs including IOTA, POTA, SOTA, WCA, and JOTA. The cluster's interface provides a dynamic feed of the latest 50 spots, continuously updated with precise timestamps. It offers direct **Telnet protocol** access for users preferring a command-line interface, with configuration instructions provided. The resource also integrates with other spotting networks like RBN and PSK Reporter, enhancing its utility for DXers and contesters seeking propagation information and activity monitoring across a broad spectrum of amateur radio frequencies.

The Shortwave Radio Audio Archive is a collection of shortwave radio recordings in both the form of a podcast and blog with embedded audio. The collection grows every day and includes both historic and modern day shortwave radio audio recordings

Amateur Radio Association of Nebraska - (Formerly Hastings Amateur Radio Club) is a group of dedicated volunteer amateur radio enthusiasts located in central and south central Nebraska.

The official web site for the santa clarita amateur radio club.

Mods.dk modifications for the Kenwood TS-690