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

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.

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

HamBlog is a weblog host for Amateur Radio operators.

By AYR Ham Radio Club

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.

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

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

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

Linked Repeater System in Darby, PA

Constructing a dip oscillator provides radio amateurs with a fundamental piece of test equipment for resonant circuit analysis. This particular design, adapted by VK3YE from a concept by _Drew Diamond VK3XU_, details a practical build using readily available components. The unit incorporates four plug-in coils, covering a frequency range from **2.6 MHz to 55 MHz**, mounted on 5-pin DIN plugs for versatility. A salvaged two-gang air dielectric variable capacitor, fitted with a vernier reduction drive, serves as the tuning mechanism, with the smaller gang optimizing bandspread at higher frequencies. In practical application, the dip oscillator is used by setting the meter needle to approximately two-thirds scale. When the instrument's coil is brought near a tuned circuit under test, a noticeable dip in the meter reading indicates resonance. This allows for precise measurement of resonant frequencies in antennas, filters, and other RF circuitry, proving invaluable for homebrewing and troubleshooting. The design emphasizes short wire runs for stable operation, particularly at the higher end of its operational range.

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.

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

The Noantri WebCLX presents real-time DX spots, including frequency, DX callsign, country, and comments, facilitating active DXing and contesting. It operates as a web-based cluster, offering an alternative to traditional Telnet clusters for accessing spotting data. The interface displays current UTC, allowing operators to track propagation and activity across various amateur bands. This service is maintained by the _Noantri DX Group ARI Roma_, indicating its origin within the Italian amateur radio community. It supports the dynamic exchange of DX information, crucial for operators seeking new entities or participating in competitive events. Key features include the display of spots for modes like FT8, and it functions as a DXSpider-based system, providing a robust platform for **DX spotting** and **propagation analysis**.

Plano Amateur Radio Klub

QTH.COM by KA9FOX offer classified swap ads for amateur radio and web design along to evoluted web hosting

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

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

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.

Rack Mounts for ham radio transceivers and receivers

Pignology is mainly an app developer focused on ham radio related topics. Offers radio remote control devices, and develop apps for them along to logbook apps and other ham radio related utilities.

ARRL documentation on how get reciprocal lincece or authoriazion to operate ham radio abroad

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.

Welcome to the KC Club of Fort Worth, W5SH Website. Ham Radio fun for all.

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

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.

The Information Source For Makers, Experimenters, DIY, Home Brewers, Restorers, and Amateur Radio Operators

Goshen, Indiana

Amateur radio HSMM High Speed Multimedia, data and voice at ARRL website

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

The _Fuji-OSCAR 20_ (FO-20) amateur radio satellite, launched over six years prior, continues to operate reliably, despite a gradual decrease in its Nickel-Cadmium storage battery capacity and solar cell degradation. The satellite's power system can still supply approximately **10 W**, enabling operations. During the non-eclipse period, typically from mid-June through March, the satellite experiences a 0% eclipse rate, ensuring sufficient power generation. This allows for the potential operation of the onboard BBS, which had been previously suspended due to concerns about power shortages. An "eclipse rate" refers to the proportion of time a satellite spends in the Earth's shadow during each orbit. When the satellite's orbital plane is perpendicular to the sun's direction, the eclipse ratio becomes zero, meaning continuous solar illumination. Understanding these eclipse periods is crucial for managing satellite power budgets and scheduling operations, particularly for power-intensive functions like the BBS, which can now be considered for activation during periods of sustained solar exposure.

Homepage of the Triangle East Amateur Radio Association, in central NC. This site has been online continuously since 1994!

The Las Vegas Radio Amateur Club operates the K7UGE repeaters on 146.94 and and 448.500. Repeater is located on top of the Las Vegas Hilton Hotel & Casino, the UHF repeater is located on top of the Tropicana Hotel & Casino.

Learn which are the top ten reason why you should operate in portable mode

Using external usb sound card devices for amateur radio digital modes operations

Things on the occasion of amateur radio activity only

Site dedicated to amateur radio ballooning

Converting the GN9120 Wireless Bluetooth Interface for Amateur Radio

Minnesota Amateur Radio (MARC)

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

Amateur radio direction finding, transmitter hunting. triangulating a radio signal direction and plotting its bearing on a map. hunters use doppler systems for tracking hidden transmitters

Interfacing the Jabra 9450 flex wireless headset to the Icom IC 7300 ham radio trasceiver.

Long distance operations on WiFI band by Yolo Amateur Radio Society

The Matanuska Amateur Radio Association (M.A.R.A.) is a general interest amateur radio club, with approximately 100 members, our members are involved in every aspect of amateur radio.

Radio 2 Radio broadcasts amateur & HAM radio news and current events from around the world.

Off Road Enthusiasts that use Amateur Radio for recreation and public service.

Fundamentals of operating on single sideband

Amateur radio makes the world a much smaller place.

You'll find information about the club, membership, our newsletter, the BARC repeaters, and special club events.