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Announces the retirement of Brand Electronics, a manufacturer specializing in **power meters** and various ham radio accessories, effective 2025. The company has served the amateur radio community for over 35 years, providing equipment for station setup and operation. The product line historically included accessories compatible with major transceivers from Icom, Yaesu, and Kenwood, alongside components and technical references for homebrew projects. Their offerings supported accurate RF power measurement, crucial for optimizing antenna systems and ensuring legal limit compliance. This notice serves as a final update regarding the company's operational status, marking the cessation of manufacturing and sales activities. The site provides no further details on product support or inventory liquidation.
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The article, "Using 75 Ohm CATV Coaxial Cable," details methods for employing readily available 75-ohm CATV hardline in standard 50-ohm amateur radio setups. It addresses the inherent impedance mismatch and practical considerations, such as connector compatibility, for hams seeking cost-effective, low-loss feedline solutions. The resource specifically contrasts common 50-ohm cables like RG-8, RG213, and _LMR-400_ with 75-ohm hardline, highlighting the latter's lower loss characteristics, particularly at VHF and UHF frequencies. It explores two primary approaches to manage the impedance difference: direct connection with an acceptable SWR compromise and precise impedance transformation. The direct connection method acknowledges that a perfect 1:1 SWR is not always critical, especially when using low-loss coax. For impedance transformation, the article explains the use of half-wavelength sections of coax to reflect the antenna's 50-ohm impedance back to the transmitter, noting its single-frequency effectiveness. It also briefly mentions transformer designs using toroid cores and a technique involving two 1/12 wavelength sections of feedline for broader bandwidth. The content further clarifies the concept of _velocity factor_ for calculating electrical versus physical cable lengths, providing a generic formula for precise length determination. It notes that while half-wave matching is practical for 10 meters and above, it can result in excessively long runs for lower bands like 160 meters, potentially adding **250 feet** of cable. The article also mentions achieving a usable bandwidth of 28.000 MHz up to at least **28.8 MHz** on 10 meters with specific transformation techniques.
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Facilitates logging of amateur radio contacts directly within a web browser, enabling seamless operation across various devices including Windows, macOS, Linux, iOS, and Android. This web-based application stores all log data securely in the cloud, providing accessibility from any internet-connected location. It supports importing existing log data via CSV files, with future plans for _ADIF_ file import, and offers a robust QSL card generation feature, producing print-ready PDF files in standard 148mm x 100mm dimensions. The platform integrates with Japanese government databases to automatically populate callsign-related information such as station location and license issue dates, streamlining data entry. It also assists with JCC/JCG searches for accurate QTH logging. The service leverages SSL encryption for all communications and benefits from security oversight by certified information security professionals. Users can register using email/password or existing Facebook/Google accounts, and the beta version is currently available for free. The system has processed over **5,297,881** logs, with **28,369** logs recorded in the past 24 hours.
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For amateur radio operators focused on **county hunting** awards, WD8LQB CountyLog offers a specialized logging solution for Windows. This software facilitates the logging of contacts specifically by county, a critical feature for those pursuing awards like the USA Counties Award. It includes functionality to export log data in **ADIF** format, ensuring compatibility with other logging programs and award submission systems. The program also provides access to the "Who's on the Air Database," a valuable resource for identifying active stations and planning county-specific operations. WD8LQB CountyLog is available in both a free limited version and a commercial version, allowing operators to choose based on their operational needs and budget. Its design prioritizes ease of use for county-focused logging, streamlining the process of recording contacts and managing the necessary data for award applications. The software's ability to integrate with external databases enhances its utility for real-time operational planning and post-contact verification.
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FTDX 5000 product page with related accessories
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The CAT and audio interface version 3 project by PA5CA presents a comprehensive solution for integrating amateur radio transceivers with computer sound cards, facilitating digital mode operation and CAT control. It includes detailed schematics for the interface circuitry, illustrating the isolation transformers for audio paths and optocouplers for CAT data lines, ensuring robust electrical separation between radio and PC. The resource also provides PCB layouts, enabling constructors to fabricate their own boards for this specific design. The project outlines the component selection and assembly process, emphasizing the use of readily available parts to build a reliable interface. It addresses common challenges in sound card interfacing, such as ground loops and RF interference, through its isolated design. This construction guide offers practical insights into building a functional interface, making it suitable for hams interested in DIY radio accessories for digital modes like FT8, RTTY, and PSK31.
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Demonstrates the product line of CAIG Laboratories, focusing on specialized contact cleaners and lubricants essential for maintaining electronic components. Key products include **DeoxIT**, designed for deoxidizing and protecting electrical connections, and **DeoxIT Gold (ProGold)**, formulated to enhance conductivity and provide long-lasting protection on plated surfaces. Details the application of these solutions across various electronic devices, from audio equipment to critical ham radio gear, ensuring optimal signal integrity and component longevity. The product range also features **DeoxIT Faderlube (CaiLube MCL)**, specifically engineered for conductive plastic and carbon-based controls, mitigating wear and improving tactile feel. Explains how proper contact maintenance with these products can prevent intermittent connections, reduce noise, and extend the operational life of switches, potentiometers, and connectors in both commercial and amateur radio applications.
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Article about interfacing Ham Radio Deluxe software to Icom IC-7610 transceiver. Article explain how to customize CI-V Address value, and how to properly connect the PC to the IC-7610 USB ports. Include videos and links to drivers.
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A blod dedicated to SDR and RTL-SDR featuring sdr new and product reviews
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How to program Baofeng handheld transceiver with satellite frequencies, and how to get alerts when satellites are visible by using a smartphone app. A beginners guide to work satellites with a common VHF handheld radio.
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The Associazione Radioamatori Italiani (ARI) Bergamo section provides a local hub for amateur radio operators in the Lombardy region of Italy. This resource details upcoming events such as the annual _Panettonata di Natale_ and important administrative updates like the 2026 membership renewal process. It also highlights special operating activities, including a commemorative radio activation for the 101st anniversary of the Gleno Dam disaster, which involved operators from both the Bergamo and Vallecamonica ARI sections. The site serves as a central point for local hams to stay informed about club activities and operational opportunities. Members can find information regarding payment methods for annual dues and event schedules. The Gleno Dam activation, for instance, is a significant event, demonstrating the club's engagement in historical remembrance through amateur radio. Such activities foster community spirit and provide opportunities for members to participate in public service and special event operations, often generating **hundreds of QSOs** and promoting the hobby.
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Clark county amateur radio club serving sw washington for 75 years! come find out how our local ham club offers programs that cover everything from the history of morse code and call signs to ham radio antennas
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The page provides a detailed guide on how to build your own NOAA weather satellite receiving station, covering hardware, antenna, computer setup, and software installation. It offers a straightforward explanation suitable for beginners and serves as an educational project. The content includes step-by-step instructions and tips for observing satellites in the night sky.
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BKLog is a versatile log book and contest program designed specifically for amateur radio operators. Developed in VB.NET, it offers a user-friendly interface and a range of features that cater to both casual and competitive hams. Users can log their contacts, manage contest entries, and utilize automatic CW sending, making it a valuable tool for any operator. One of the standout features of BKLog is its integration with DX Cluster access, allowing users to stay updated on DX spots and enhance their operating experience. Additionally, it supports uploads to popular online QSL services such as QRZ, LoTW, and Club Log, streamlining the QSL process for users. With regular updates and improvements, BKLog continues to evolve, ensuring it meets the needs of the amateur radio community. Whether you're a seasoned contester or a newcomer to logging, BKLog provides the essential tools to enhance your ham radio experience. Its compatibility with Windows makes it accessible to a wide range of users, and its ongoing development ensures that it remains relevant in the ever-changing landscape of amateur radio.
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Provider of supplemental emergency communications for the Greater Cumberland, Maryland tri-state area, and promoter of amateur radio in the community.
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The Guernsey Amateur Radio Society (GARS) provides a central hub for amateur radio operators in the Bailiwick of Guernsey, offering resources like a local _GU Callbook_ and specific notes tailored for visiting operators. The society maintains an active presence, holding regular meetings on Friday evenings from 7:30 to 9:00 PM in a unique World War II bunker located within the grounds of the Beau Sejour Leisure Centre. Beyond in-person gatherings, GARS facilitates on-air activity with a 2-meter net operating on 145.525 MHz every Tuesday night at 8:00 PM. Additionally, a DMR net is hosted on Thursday nights at 8:00 PM via the _GB7GY_ repeater, catering to digital mode enthusiasts. These nets provide opportunities for local members and visitors to connect and exchange information. Phil Cooper, GU0SUP, serves as a key contact for the society, managing inquiries and web content. The club's location is precisely described as being down a concrete staircase to the left of the road when approaching the Concourse entrance, making it straightforward for newcomers to find their way to the club's distinctive meeting place.
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This article shows how to power an amateur radio station from solar power using four kits that have been designed to work together in a modular way, each kit provides a unique function.
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Valley of the Moon Amateur Radio Club website provides information on club events, history, officers, licensing, and how to join. Users can download newsletters, hamfest flyers, and net scripts. The club serves the Sonoma Valley wine country, holding monthly meetings, weekly nets, and breakfast gatherings. The club call sign, W6AJF, honors Frank Jones, an Amateur Radio pioneer. Various events are listed on the site, including picnics, VE testing, and breakfast nets.
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A web site for those interested in ham radio Software Defined Radio (SDR). SDR Zone provide forums, reviews and user blogs relating to any type of SDR
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The Broadcast Employees Amateur Radio Society, Inc. (BEARS) operates an extensive network of **VHF and UHF repeaters** across New York, the Hudson Valley, Long Island, and New Jersey, accessible to all licensed amateur radio operators. This resource details the club's structure as a 501c3 tax-exempt non-profit, emphasizing its role in providing ham radio training, testing, and critical communications support to various public and private emergency response agencies. Key repeaters include W2ABC/RPT on 147.27 MHz with a 141.3 PL tone, serving as a central point for club activities and broader network access. BEARS is also a founding member of the **Disney Amateur Radio Interconnect (DARI)**, a consortium of open, linked VHF and UHF repeaters spanning major metropolitan areas such as Philadelphia, Baltimore/Washington DC, Orlando, Bristol, Los Angeles, and Boston. This interconnected system facilitates wide-area communication for members and supports emergency preparedness efforts across multiple regions. The club's focus extends beyond Disney employees, welcoming aspiring and current hams from outside the company to participate in its activities and utilize its robust repeater infrastructure.
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Constructing a digital interface for the Elecraft K2 transceiver, this resource details the "Fat Wire" design by WG4S. It demonstrates how to integrate a sound card for digital modes, outlining specific connections to the K2's microphone jack and internal audio path. The author shares practical insights from his build, including the use of _RG-62_ coax for its flexible braid and the strategic placement of components like the 2.2K resistor and _2N2222_ transistor. The guide provides a breakdown of the interface's internal wiring, specifying connections for AF In (pin 1), AF Out (pin 5), PTT (pin 2), and Ground (pin 7) on the K2's microphone connector. It also covers the external connections to a laptop's headphone and line-in jacks, along with a DB-9 connector for PTT control via _DTR_ or RTS lines. The author notes that his laptop's headphone output level was sufficient for the K2, negating the need for an attenuator. Reflecting on the design, the author, Dan WG4S, acknowledges a later suggestion to house the components directly within the DB-9 shell for a more compact build. This iterative feedback highlights the ongoing evolution of DIY ham radio projects and the community's collaborative spirit in refining designs.
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100-watt UHF repeater (444.500+ PL100) and a 6-meter repeater (53.68- PL114.8) are owned and maintained by South County ARES to support emergency communications for Belmont, East Palo Alto, Foster City, Menlo Park/Atherton, Redwood City, San Carlos, San Mateo, and Woodside/Portola Valley. The organization emphasizes training, including weekly nets and practice sessions, to improve message passing accuracy and brevity, crucial skills for **emergency communication**. Resources like the San Mateo County Sheriff's Office Ham Radio Frequency Plan Recommendation and **Chirp-compatible CSV files** for Baofeng radios are provided. Participation in community events is encouraged to build skills and connections among members. The group operates without collecting dues, relying on donations and member contributions of time and expertise. Training pages are available for new hams and those seeking license upgrades, along with a "Tips for New Hams" section. The site also features a monthly calendar of events, including board meetings, general meetings, and hospital nets, alongside a newsletter, the "South County Communicator," and various operational documents like the Net Control Manual and SCARES Handbook.
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The Lakeshore Repeater Association (KR9RK) operates a **VHF** 2-meter repeater on 147.270 MHz, utilizing a +600 kHz offset and a 100 Hz PL tone, serving the Raymond, Wisconsin area. The organization provides access to monthly newsletters, with recent editions including March 2026, February 2026, and January 2026, detailing club activities and operational updates. A Google Docs link is provided for newsletters with functional embedded links, addressing issues with PDF versions. The association's Megacycle Group is actively constructing a **DX Contest** level HF network, designed for remote accessibility. This initiative aims to provide members with a competitive edge in global DX hunts by enabling worldwide access to the station's radios. Additionally, the Lakeshore Radio Association is commemorating its 50th anniversary with a special event station, K5O, inviting all members to participate in on-air operations.
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Presents the W9VT Tri-Town Radio Club, an ARRL-affiliated organization serving the Illinois amateur radio community. The club maintains a 2-meter repeater on 147.180 MHz (+600 kHz offset, 107.2 Hz CTCSS) and a 70-centimeter repeater on 444.825 MHz (+5 MHz offset, 107.2 Hz CTCSS), both located in Woodridge, IL. Regular meetings are held on the second Tuesday of each month at 7:00 PM at the Woodridge Public Library, focusing on technical discussions, operating practices, and community service. The club participates in Field Day, supports local public service events, and offers licensing classes for Technician, General, and Extra class examinations. Members engage in various amateur radio activities, including DXing, contesting, and digital modes, fostering skill development among hams. The club's repeater infrastructure provides reliable local communication for members and supports emergency preparedness efforts within DuPage County. Participation in ARRL-sponsored events like the Simulated Emergency Test (SET) and various operating awards promotes active engagement and technical proficiency. The club provides a platform for mentorship, allowing experienced operators to guide newer hams through licensing and operational aspects.
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A project for a vertical antenna for 60 to 20 meters by KV5R
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Dedicated to the art of Ham Radio, enhancing individual operational and technical skills as well as providing communications during local and national emergencies. Located on the Kenai Peninsula in South Central Alaska.
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Peanut is a free Digital radio client Android App. The App requires a manual registration with the author and allow to chat in proprietary rooms or to connect room linked to DSTAR amateur radio repeaters worldwide. A central Peanut dashboard with current system activity is also available.
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The Tri-County CW Amateur Radio Club, operating under the callsign _W3TCW_, is situated in North Huntingdon, Pennsylvania, just southeast of Pittsburgh. This organization extends an open invitation to all licensed amateur radio operators, regardless of age or experience level, to participate in its activities and community. The club maintains a web presence detailing various aspects of its operations, including a calendar of events, a member roster, and contact information. It also provides resources related to _VE Testing_ and links to other local clubs and the _ARRL_ section website. Historical content, such as information from _Field Day 2008_, is also referenced.
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A Picaxe Morse Code keyer project with source code and links to useful resources by K6ACJ
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The Holiday City Amateur Radio Club (HCARC) invites all hams or prospective hams to join our club. We are an ARRL affiliated club and have members eager to help others to achieve licensing or to up-grade their present license privileges.
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KC0DMH's **amateur radio homepage** provides a personal insight into the station and activities of Jonathan and Sara Imberi. The resource details the relocation of their online presence from QSL.net to a privately funded server, citing increasing site size and traffic volume as the primary reasons for the move. This transition indicates a commitment to maintaining a robust online presence for their ham radio endeavors. The site's move to **ham-shack.com** reflects a common progression for popular amateur radio personal pages, where growth necessitates dedicated hosting beyond free services. The call for donations suggests an effort to sustain the operational costs associated with a private server, ensuring continued availability of their content. This evolution highlights the dynamic nature of personal ham radio web presences and the community support often involved.
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Reports indicate the PA1RBZ DX Cluster, previously accessible via telnet at pa1rbz.dyndns.org on port 9000, is no longer operational. The QSL.net hosting platform displays a 404 error, indicating the specific page or file for the cluster's web interface or related information is missing. This service was designed to provide amateur radio operators with real-time DX spotting data, facilitating long-distance contacts across various bands. The cluster's primary function was to aggregate and disseminate DX spots, allowing users to monitor current propagation conditions and identify active stations. Such systems are crucial tools for DXers and contesters, enabling rapid response to new openings and rare DX entities. QSL.net, which hosts over 30,000 amateur radio websites, provides these services free of charge to hams, relying on user donations for operational continuity.
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This resource compiles claimed scores, often referred to as "rumor scores," for numerous amateur radio contests, providing a historical snapshot of competitive activity from 1993 through 2007. It lists entries for prominent events such as _CQWW CW_, _ARRL Sweepstakes_, _IOTA Contest_, and various _NAQP_ events, categorized by year and contest. Each entry typically includes the contest name and the month/year of operation, allowing users to quickly navigate to specific contest periods. The site also references the _3830 Web Page_ on Contesting.com as the primary submission portal for these claimed scores. The collection offers a unique perspective on contest participation and performance trends over more than a decade, preceding the widespread adoption of real-time score reporting systems. While not official results, these rumor scores provided early indications of top performers and overall activity levels for a wide array of HF and some VHF contests, including _ARRL 10M_ and _CQWW VHF_. The historical data can be useful for analyzing past contest popularity, identifying consistently strong operators, or simply reminiscing about earlier competitive eras in amateur radio.
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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.
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The AT-AUTO automatic antenna tuner handles 1.5kW CW operation, employing stepper motors under microprocessor control to precisely position a roller inductor and air-dielectric variable capacitor, avoiding relay-switched discrete components. This design choice prevents loud relay clacking and burning contacts, a common issue with competing products. The tuner features auto-retuning capabilities and receives periodic firmware updates, ensuring continuous improvement and added user-requested features. Its companion product, the _CX-AUTO_ coaxial switch, also features an embedded microprocessor controller. It enables selection of 1-of-8 coaxial outputs via a serial data interface. When integrated with the _AT-AUTO_, the tuner can associate specific coaxial outputs with amateur radio bands, automatically commanding the _CX-AUTO_ to select the correct antenna when the operator QSYs to a different band. Don Kessler began designing the AT-AUTO in 2005, with its debut at the 2006 Dayton Hamvention. Kessler Engineering also offers custom RF product design and electrical engineering consulting, specializing in Class-E RF amplifiers.
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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.
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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.
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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.
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ARRL documentation on how get reciprocal lincece or authoriazion to operate ham radio abroad
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MorseExpert 1.15 decodes Morse Code audio to text, leveraging algorithms from CW Skimmer for optimal performance on weak, fading signals amidst interference on amateur radio bands. It processes audio from the device's built-in microphone or an external radio receiver via cable, optionally highlighting Ham callsigns and keywords. The application features a waterfall display with a bandwidth of 200-1200 Hz, decodes frequencies between 300-1100 Hz, and supports keying speeds from 12-45 WPM with automatic CW pitch detection. Recent updates include support for Android 15, edge-to-edge mode, improved stability, and a pause decoding button. A premium version offers an ad-free experience and user-selected text colors. Users can switch between General Text mode and Ham Radio QSO mode, which enhances word segmentation and highlights callsigns. The app also includes a frequency lock mode, text selection capabilities for copying, sharing, or saving decoded text, and provides guidance on reducing acoustic echo and constructing an audio attenuator for optimal radio interfacing.
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Home of the Radio Teacher Project Website, study guides, class documents and videos to be used by instructors
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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.
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Interfacing the Jabra 9450 flex wireless headset to the Icom IC 7300 ham radio trasceiver.
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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.
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The Club Radio Amateur de Québec (CRAQ) is a prominent amateur radio club based in Québec, Canada, dedicated to fostering interest and participation in amateur radio. It provides a platform for local hams to connect, share knowledge, and engage in various radio-related activities, including **DXing**, contesting, and technical experimentation. The club supports its members through regular meetings, technical presentations, and organized operating events, aiming to enhance their skills and enjoyment of the hobby. CRAQ also plays a role in public service communications, often collaborating with local authorities for emergency preparedness and response. CRAQ's activities include operating club stations, organizing **field day** events, and offering training sessions for new licensees. Members frequently participate in provincial and national contests, contributing to the club's competitive standing. The club maintains a network of repeaters, providing reliable local communication infrastructure for its members and the broader amateur radio community in the Québec area. These resources facilitate daily QSO traffic and serve as critical links during community service operations.
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Projects in ham radio, programming, and robotics. Specializing in amateur satellite operations.
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The **HamRacer** voice keyer, a Windows-based application, is showcased in this video, illustrating its utility for radio amateurs participating in SSB contests. It functions as a synthesized PC-based voice keyer, specifically designed for HF and VHF SSB contest operations, allowing operators to transmit pre-recorded or text-to-speech generated messages during rapid-fire exchanges. The demonstration includes actual recorded QSO examples from a contest, featuring contacts with stations such as SP6OWA, S57O, OK1IEI, 9A1DL, OE1PAB, OK1GTH, and 9A1E. These examples highlight the software's practical application in a live contesting environment, demonstrating how it facilitates contest participation for operators who might otherwise face challenges with traditional voice keying. The resource provides a direct look at the software in action, emphasizing its role in promoting inclusivity within the amateur radio contesting community. It details the use of Windows SAPI for speech synthesis, a core component of HamRacer's functionality.
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The Kenwood TS-870S HF transceiver features two state-of-the-art 24-bit 20 MIPS DSP chips, providing over 100dB out-of-passband attenuation and CW bandwidth adjustable to 50 Hz. It operates across 160-10 meters with 100 watts output, incorporating digital filtering, a beat canceller, and 100 memory channels. The radio also includes a transmit equalizer, RX antenna input, and a K1 Logic Keyer, enhancing signal processing and operational flexibility for amateur radio operators. Advanced capabilities include IF stage DSP, dual noise reduction, and an auto notch filter, all contributing to superior signal reception and clarity. The TS-870S offers a variable AGC, voice equalizer, and an RS-232C port for computer control, with Windows™ software supplied. Its built-in automatic antenna tuner functions on all bands for both transmit and receive modes, streamlining station setup and operation. Available accessories such as the DRU-3A digital recording unit, SO-2 high stability crystal oscillator, and VS-2 voice synthesizer option further extend the transceiver's utility. The unit requires 13.8 VDC at 20.5 Amps and is supplied with an MC-43S hand microphone, making it a comprehensive station component.