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Operating a web-based DX cluster, this resource presents real-time amateur radio DX spots, facilitating contact logging and propagation analysis. It leverages the Spiderweb platform, offering users the ability to filter DX spots based on various criteria, including inclusion and exclusion rules. The interface integrates directly with QRZ.com for immediate callsign lookups, displaying flag icons for geographical context, and provides charts and statistics derived from spot data. Further enhancing its utility for DXers and contesters, the cluster includes direct links to MUF (Maximum Usable Frequency) maps and HamQSL solar condition reports. These external data sources provide critical propagation insights, assisting operators in making informed decisions about band selection and operating times. The service also offers Telnet access at dxc.sv5fri.eu:7300 for those preferring a command-line interface.

Callook provides a **USA amateur radio callsign lookup service** with data current as of March 25, 2026. The platform allows users to search for valid callsigns and retrieve detailed information, including geographic coordinates sourced from the Bing Maps API. A mathematically calculated **grid square** is derived from these coordinates, though accuracy is not guaranteed due to reliance on external services. The service supports multiple access methods, including a browser search plugin, direct API access with a reference, and plain text output for integration into other applications or scripts. This tool facilitates rapid identification of US amateur radio operators, offering an alternative to other callbook services. Its API access enables developers to integrate callsign lookup functionality into custom applications, streamlining data retrieval for logging software or contest management. The direct presentation of FCC data, combined with grid square calculation, assists DXers and contesters in verifying contact information and location details during on-air operations.

Launched in March 2008, this website offers news and information for amateur radio enthusiasts in the Canadian Maritime provinces of Nova Scotia, New Brunswick, and Prince Edward Island. It serves as a valuable resource for both local and visiting hams. The site provides updates on general amateur radio news, Silent Keys, Exercise Handshake, Fusion/Wires-X, and Winlink. To join the Maritime Amateur mailing list or to share information, suggestions, or questions with fellow amateurs, contact the site owner via the provided email

The resource details a novel approach to Morse code (CW) reception for hearing-impaired operators, focusing on a handheld device that translates CW signals into tactile vibrations. It explains how this device allows users to perceive the patterns of dots and dashes through physical feedback from a shaker, addressing the challenges of auditory discrimination for those with hearing loss. The content highlights the potential for this tactile method to aid in CW learning and interpretation, even suggesting benefits for operators with normal hearing by providing an alternative sensory input. The article also mentions the device's _patent-pending_ status and its availability to members of the _Long Island CW Club_ and the general public. It provides contact information for further inquiries about this innovative tool.

A group of amateur radio operators who use a specific telegraph key called a sideswiper or cootie key. The sideswiper is a single lever with contacts on both sides, allowing for sending Morse code by pushing the lever in one direction or the other. The group runs informal radio nets to promote the use of this key, and welcomes anyone who uses a sideswiper to join them

Provides access to a robust DX cluster node, G6NHU-2, running DX Spider software, which facilitates real-time amateur radio contact spotting across HF bands. This service is engineered for high reliability and low latency, ensuring rapid dissemination of DX spots from a global network of interconnected nodes. It features multiple redundant links to prevent data loss and maintain continuous operation, even if individual connections drop. The cluster integrates directly with the Reverse Beacon Network (RBN), allowing users to enable or disable skimmer spots for specific modes like CW, RTTY, FT8, and FT4. It also offers an extensive one-year spot history, significantly longer than most other DX clusters, which typically retain only a month of data. The node supports various lookup commands for callsign information, beam headings, QSL routing, and FCC database lookups, enhancing operational efficiency for DXers and contesters. Additionally, it permits self-spotting, a feature increasingly relevant in modern contests, and provides detailed instructions for connecting popular logging software such as N1MM+, HamRadioDeluxe, MacLoggerDX, LOG4OM2, Logger32, and N3FJP's Amateur Contact Log.

The DH1DA ADIF-ToolBox, version 1.0.0.0, released on August 29, 2026, provides a utility for managing amateur radio logs. It enables users to compare two **ADIF** files, identify differences, and filter QSOs based on criteria such as date, band, and mode. The software also supports merging ADIF files and exporting the filtered or merged results into a new ADIF file, streamlining logbook management for contesters and DXers. This web application features a graphical user interface (GUI) that simplifies logbook analysis. It is designed to handle standard ADIF data, allowing for efficient manipulation of QSO records. The tool's primary functions include a detailed comparison view, flexible filtering options, and robust export capabilities. Contact information for the developer, DH1DA, is provided, indicating direct support for the application. The tool is categorized under Software/Log Converters, emphasizing its role in ADIF data manipulation.

This document provides a comprehensive guide on renewing an US amateur radio license through the Federal Communications Commission (FCC) using the new COmmission REgistration System (CORES). Published on QST October 23, it outlines the necessary steps for creating a CORES account, associating it with a Federal Registration Number (FRN), and completing the renewal application. Key points include the requirement of a $35 fee for the renewal process, which must be paid online after the application is submitted. The guide emphasizes the importance of logging into the FCC License Manager system during the renewal window and provides instructions on how to navigate the renewal process, including obtaining confirmation and access to the renewed license. Additionally, it offers contact information for FCC support and links to further resources for assistance.

The Alfa Alfa (AA) DX Group, established on March 1, 1974, in the Netherlands, is presented as the pioneering Dutch 27mc DX group. It details the group's historical significance, particularly its revolutionary use of the '000' club callsign (19AA000) which influenced international 11-meter group callsign structures. The resource outlines the group's re-establishment in 2024, inviting new active CB operators and _Short Wave Listeners_ (SWL) to join its ranks, emphasizing a free worldwide membership model. Membership requirements are specified, focusing on active participation with an assigned AA callsign. The group provides QSL card management services, with options for direct QSL requests requiring **3 USD** and a Self-Addressed Envelope, or **4 USD** via PayPal for expenses. It also mentions upcoming initiatives like an _AA DX Contest_ and an award program, with sections for certificates and plaques currently under construction. The site also lists useful CB resources, including an 11M DX Cluster and an 11M Callsign Database, and provides contact information for the founder, 19AA001 Mr. Theo, and the Worldwide QSL Manager, 178AA001 Mr. Emil, based in Bulgaria.

QRZ Label is a Windows application designed for amateur radio operators to generate QSL labels using _Zebra (ZPL)_ label printers. It interfaces directly with QRZ.com to retrieve callsign and address details, and can import QSO log data from the QRZ Logbook. The software then formats this information into various label types, including standard address labels, envelope labels, greeting labels, and multi-QSO confirmation cards, all featuring an on-screen tabbed preview. The application supports the creation of QR-code labels, specifically a "QRZ Link" type, which can streamline the QSL process by providing a scannable link to the contact's QRZ.com page. This functionality enhances the traditional QSL card exchange with modern digital convenience. Developed by K7CTV, QRZ Label offers a practical utility for hams managing their QSLing workflow, providing a **free** solution for printing professional-looking labels directly from their station data. The software is distributed as a signed Windows installer.

Demonstrates various technical projects and tutorials for amateur radio operators, focusing on digital modes, monitoring, and station setup. It covers topics such as implementing a _WSPR_ station, setting up ADS-B reception, configuring a _DXSpider_ cluster, and utilizing monitoring tools like Prometheus and Grafana. The resource provides practical guides for integrating modern IT solutions with ham radio activities, including Docker and Linux environments for radio applications. This site also features a publicly accessible online logbook, offering detailed statistics on QSOs by band, mode, and geographical zone, with visual mapping of contacts. It includes a comprehensive amateur radio lexicon, explaining hundreds of terms, and provides a real-time display of the F4HXN station's local weather conditions. The resource also aggregates information on upcoming ham radio events and offers a **SWR simulator** for antenna analysis, allowing users to visualize ROS changes based on frequency and antenna parameters.

The Florida AM Group operates a weekly Amplitude Modulation (AM) net on 3885 kHz every Sunday morning, with a pre-net starting at 6:30 AM Eastern Time and the formal net at 7:00 AM. This group focuses on the preservation, restoration, and on-air operation of antique Amateur, commercial, homebrew (HB), and Military Radio equipment, emphasizing **Amplitude Modulation** (AM) mode. Participants are encouraged to use AM mode, regardless of whether they possess vintage gear, fostering a community around classic radio operation and the distinctive high-fidelity audio associated with **vacuum tube** equipment. The net utilizes NetLogger software for check-ins and round table management, providing a structured environment for participants. The group regularly publishes net control schedules, listing operators like NZ1Q, K1HH, and W3XM, and organizes various in-person events such as Hamcation gatherings, luncheons, and boat anchor swap meets. These activities facilitate eyeball QSOs and equipment exchanges, reinforcing the community aspect beyond on-air operations. The Florida AM Group also provides contact information for net control volunteers and shares news, including SK (Silent Key) announcements for members like Steve KI4RUS and Roy W4IDD, highlighting the group's long-standing camaraderie and shared passion for AM radio.

Cloudlog Helper addresses the need for streamlined, automated logging of amateur radio contacts, particularly for operators utilizing digital modes like FT8 or those with limited system resources. This utility syncs real-time rig data and QSO information to various logging platforms, including _Cloudlog_ and Wavelog, supporting mainstream transceivers. It integrates seamlessly with popular digital mode software such as JTDX and WSJT-X, ensuring that contact details are captured and uploaded without manual intervention. Operators can compile the software themselves and configure essential settings, including their Maidenhead locator, Cloudlog server address, API key, and station ID. The application's design prioritizes efficiency and portability, making it a practical solution for hams who prefer automated logging processes. While an unofficial community project, Cloudlog Helper provides a robust framework for automating the often-tedious task of logging, supporting multiple logging services beyond its primary integration. It offers a direct method for hams to maintain accurate and up-to-date logbooks with minimal effort, potentially improving their DXCC or other award tracking by ensuring no QSO is missed.

The WSJT Log Viewer, version 1.0.0.10 as of 2026-08-02, is a freeware Windows application developed by Carsten Groen (OZ9AAR) for analyzing signal strengths from WSJT digital mode contacts. It processes the ALL.TXT log file generated by WSJT-X, extracting and presenting data from decoded TX and RX messages. Initially designed for EME operations on 70cm and 23cm, the software has expanded to include all HF bands, 6m, 4m, 2m, 1.25m, 70cm, 23cm, 24GHz, and 47GHz. Key features include displaying total QSOs, unique callsigns, days with activity, and signals heard, with filtering options by band and completed QSOs. The application also monitors the ALL.TXT file for live updates every two seconds, reflecting new decodes in real-time. Users can view session logs, activity charts showing daily signal counts and decoded signals, and a "Top Partners" tab listing the 25 most frequent contacts. The software provides detailed QSO information, including best received SNR and sent reports, with graphical representations of SNR over time. It supports multiple "My Callsign" entries within a single ALL.TXT file and offers a function to generate a text list of initials worked per band. The program is distributed as a single executable file, requiring no installation, and stores its configuration in a LogViewer.cfg file, allowing for different setups via command-line arguments.

The LICW Challenge is a daily event for ham radio operators, with special weekly on-air classes. It resets quarterly and covers bands from 160m to 2m, focusing on CW only. The event offers various point values based on member categories and bonus opportunities. Participants use specific calling frequencies and a CQ format to exchange information. Bonus points are awarded for specific criteria like contacts outside North America or special monthly members. The goal is to work as many LICW members as possible on different bands to earn points and bonuses.

The AB0PC Park County Radio Club website serves as a central hub for its members and prospective members, detailing the club's mission to promote amateur radio, provide technical assistance, and facilitate communication services, especially during local emergencies. It outlines the club's operational structure, membership benefits, and participation methods. The resource also provides contact information for club leadership, meeting schedules, and event details. The club actively participates in events such as _Field Day_ and various public service activities, demonstrating practical applications of amateur radio skills. It emphasizes the importance of local repeaters, specifically mentioning the **AB0PC** repeater, for maintaining reliable communication links within Park County. The site reinforces the club's role as a community focal point for amateur radio in the region.

Illustrates the activities of the Central Mississippi Amateur Radio Association (CMARA), a vibrant club fostering amateur radio in central Mississippi. The organization regularly convenes for monthly general meetings, which feature discussions on various ham radio topics and presentations, alongside planning for public service support. A notable recurring event is the "3rd Saturday Expedition," focusing on _POTA_ (Parks On The Air) activations, antenna deployment, and practical emergency communications drills. CMARA maintains a consistent on-air presence with a weekly Thursday net at 2000 hours local time on 145.390 MHz, incorporating both voice and digital modes for traffic handling updates and community building. The club also facilitates _ARRL_ license examination sessions on the second Saturday of each month, providing essential guidance on reservations, obtaining an FRN, and required documentation. Furthermore, the resource highlights Mississippi _ARES_® (Amateur Radio Emergency Service) activities, showcasing emergency preparedness exercises and upcoming on-air gatherings. The site provides quick access to club information, including "About Us," "Social Media," and "Field Day" operations, specifically mentioning CMARA members' participation in _ARRL Field Day_ each June, making contacts across North America.

Jamboree on the Air (JOTA) is an annual Scouting event held on the third full weekend of October, coinciding with Jamboree on the Internet (JOTI). This global event facilitates communication among Scouts worldwide using amateur radio, enabling participants to exchange Scouting experiences and ideas over short-wave signals. It serves as an educational platform for Scouts to learn about wireless radio techniques and basic electronics. Participation necessitates the support of at least one licensed amateur radio operator or a local amateur radio club. National amateur radio organizations can assist in locating local operators. Licensed operators, having passed technical examinations, may host Scouts at their stations, transport equipment to Scout headquarters, or establish temporary stations in various locations. Depending on national regulations, Scouts may speak directly over the air, or special permission might be required, with the licensed operator making contacts on their behalf. Operators are encouraged to familiarize themselves with Scouting principles to facilitate more informative and engaging exchanges.

The State QSO Party Challenge is an annual program recognizing amateur radio operators' participation in U.S. State and Canadian Province QSO parties. To qualify for the SQP Challenge, participants must make at least two QSOs in a minimum of two SQP Approved QP contests and submit their scores to 3830Scores.com. The site details the SQP Mobile/Portable Challenge, an overlay competition encouraging mobile/portable operations, with scoring identical to the main SQP Challenge: (Number of QPs entered) x (Number of QSOs) = Score. Eligibility for the Mobile/Portable Challenge requires prior qualification for the SQP Challenge. The website also mentions a State QSO Party Club Challenge and provides contact information for questions. The 2026 SQP Challenge will be dedicated to Stan Zawrotny, K4SBZ, a key team member instrumental in the program's development. Participants are recognized for reaching five levels of achievement: Bronze, Silver, Gold, Platinum, and Diamond. Scores are calculated by totaling reported contacts and multiplying by the number of SQPs entered year-to-date, encouraging more entries and longer operating times. The Worked All QSO Parties (WAQP) program, sponsored by Icom America, offers certificates for participating in at least 50% of approved contests, with a goal of participating in all. WAQP requires submitting a log with at least two valid contacts to the contest manager, in addition to the 3830scores.com submission.