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For a century doing what we do best in support of the amateur radio community in Australia

DXLook is a free, web-based propagation platform that delivers comprehensive, real-time insight into HF and VHF conditions directly from any modern browser. It aggregates live spots from PSK Reporter, WSPRnet, RBN, and DX Cluster, complemented by NOAA space-weather metrics such as SFI, K/A indices, and geomagnetic alerts. Integrated VOACAP predictions allow practical "theory versus reality" comparisons, while the interactive world map with filters, gray line, and grid overlays enhances situational awareness. With no installation or maintenance required, DXLook provides a convenient, accurate, and accessible solution for everyday operating and propagation analysis.

The Ontario QSO Party (OQP), an annual event, takes place on the third full weekend of April, specifically from 1800Z April 18 to 0300Z April 19, 2026, and 1200Z to 2000Z April 19, 2026. This **QSO party** encourages stations outside Ontario to contact as many Ontario amateur radio stations as possible, while Ontario stations work both in-province and worldwide. Key rule changes for 2026 include phone QSOs now counting equally with **CW** QSOs (2 points), the introduction of VE3RHQ as a bonus station, a 250m county line proximity definition, and a new Fixed County Line Category, alongside an adjustment of contest times. Established in 1998 by Bob Chandler VE3SRE, the OQP has been managed by Contest Club Ontario (CCO) since 2006. The event contributes to the State QSO Party Challenge, offering various award categories and maintaining records of past performance. Participants can submit activation plans, review Ontario multipliers, and access county maps. Final results and certificate winners are published, and a dedicated groups.io discussion group facilitates community interaction and support for logging software.

SimpleHRR is a free ham radio remote control web application (or web app) hosted by Raspberry Pi in the ham station to remote control a ham radio HF transceiver through a supported web browser from a Desktop PC, Laptop or Android phone. Supports recent ICOM IC-7x series transceivers

The Davis County Amateur Radio Club (DCARC) serves as a focal point for licensed amateur radio operators in Davis County, Utah, fostering community and promoting radio communication interests. Members engage in various aspects of the hobby, including local nets, public service events, and technical discussions. The club's activities often involve supporting emergency communications preparedness and providing opportunities for skill development among its members. DCARC maintains a presence in the local ham radio scene, facilitating contacts and knowledge exchange. They frequently participate in events like _Field Day_ and offer resources for those interested in obtaining or upgrading their amateur radio licenses. The club also supports local repeaters, ensuring reliable VHF/UHF communication infrastructure for the region. Their website, dcarc.net, provides information on club meetings, upcoming events, and contact details for prospective members.

Time Mapper UHD is a versatile mapping and time visualization program offering multi-satellite viewing with frequency display and unique country-pairs for PskReporter data. It features live feeds from logging programs and can plot ADIF files. Ideal for schools, offices, or amateur radio stations, it provides customizable 4K or HD world clock displays with over 60 map layers, including ham radio zones and natural features. The program supports various time functions and can import logs for detailed analysis. It runs on Windows 10 or 11 and offers a 30-day free trial.

Details Amphenol Connex's product range, focusing on RF connectors, adapters, and cable assemblies. The company produces common radio frequency interfaces such as _BNC_, _SMA_, and _TNC_ connectors, alongside numerous other specialized designs. These components are critical for establishing reliable signal paths in amateur radio stations, ensuring proper impedance matching and minimal signal loss across various frequency bands. The manufacturing process emphasizes precision engineering to meet the demanding specifications of RF applications, from HF to microwave frequencies. Product lines support diverse coaxial cable types, facilitating custom cable assembly for specific station configurations. The extensive catalog provides solutions for both fixed station installations and portable operations, addressing the needs of contesters, DXers, and general amateur radio operators.

Discovering a solution for limited space, the inverted L HF antenna emerges as a stellar performer. Half the size of a dipole, it ensures optimal installation in restricted areas, maintaining superb transmission (TX) and reception (RX) characteristics. Spectrum Communications' multi-band version, featuring traps, proves even more space-friendly without compromising performance. A fiberglass pole offers sturdy support, while proper grounding, an RF choke, and occasional tuning contribute to a high-performing and reliable antenna system.

The Straits Area Amateur Radio Club (SAARC) operates a 146.68 MHz (-) repeater with a PL tone of 110.9, serving Northern Michigan for emergency communications and community support. A temporary cross-band repeater on 445.875 MHz is also available during specific hours, enhancing local coverage. The club actively supports disaster services through its repeater infrastructure and coordinates local community events. SAARC provides resources for prospective hams, including information on licensing classes and testing sessions, and promotes amateur radio education. Members and interested individuals can join the club's Groups.IO group for updates and participate in the Bill DeMay _K8GUG_ Memorial Net, held weekly on Monday evenings at 8:00 PM on the primary repeater frequency.

Operaring portable during field day by VK4ADC

QSK 2500 enhances HF amplifiers by enabling full break-in (_QSK_) operation, allowing for seamless communication during CW transmissions. This device supports **all** HF transceivers that are QSK-compatible, ensuring versatility across various setups. The QSK 2500 facilitates quick switching between transmit and receive modes, which is crucial for effective DXing and contesting. With its straightforward installation, operators can achieve **improved** responsiveness in their communications without the need for extensive modifications to their existing amplifiers. This project is particularly beneficial for those engaged in high-speed CW operations, where timing is critical.

Recent researches seem to support the hypothesis that Sporadic E propagation could be connected to presence of thunderstorms.

Documents the XR0ZR DXpedition to Juan Fernandez Island (SA-005) in November 2013, providing insights into activating a highly sought-after DXCC entity. The team's efforts focused on maximizing QSO opportunities across various bands and modes, a critical aspect for stations aiming to complete their DXCC or IOTA awards. Operating from a remote location like Juan Fernandez presents unique logistical and technical challenges, which the expedition successfully navigated to put this entity on the air for thousands of eager DXers worldwide. The resource outlines the operational period, the callsign XR0ZR, and the specific island group activated. Such DXpeditions are vital for the global amateur radio community, enabling hams in less accessible regions to achieve their award goals and fostering international communication. The detailed account serves as a historical record of a significant activation.

Amateur radio operators in northwestern Wisconsin often seek local community and technical support, which the Barron County Amateur Radio Association (BCARA) provides. This organization facilitates regular meetings, nets, and events, connecting hams across the region for shared learning and operational experiences. Members engage in various aspects of the hobby, from contesting and DXing to emergency communications and technical projects, reinforcing local Elmering traditions. The BCARA maintains a presence on social media, including a Facebook group with over **100** members, enabling real-time communication and event coordination. The club also supports local public service events, demonstrating the practical utility of amateur radio. Their activities encompass both VHF/UHF operations and _HF bands_, ensuring a broad appeal to operators with diverse interests and equipment setups.

The Delta Amateur Radio Club (DARC) serves as a community organization for amateur radio operators in the Memphis, Tennessee area, providing resources and activities centered around two-way radio communication. The club maintains the W4BS repeater system, which operates on 147.060 MHz with a +600 kHz offset and a 100 Hz PL tone, facilitating local VHF communications. DARC actively supports the Amateur Radio Emergency Service (ARES), preparing members for public service and disaster response through training and coordinated drills. The club also hosts regular meetings and events, fostering camaraderie and technical skill development among its members. Membership in the Delta Amateur Radio Club offers opportunities for participation in various amateur radio activities, including field day operations and local nets. The W4BS repeater provides reliable coverage across the Memphis metropolitan area, serving as a critical asset for both daily ragchewing and emergency traffic handling. DARC's affiliation with the Amateur Radio Relay League (ARRL) ensures access to national resources and advocacy, reinforcing the club's commitment to promoting amateur radio and public service within the community. The club's focus on emergency communications strengthens local preparedness.

SKB is a manufacturer of equipment cases, music cases, industrial, military and sport cases

Handmade drawing of a 3 bands single loop, portable quad antenna used by the author during his dx pedition in Kenya as 5H3FM. This antenna is done using 3 telescopic spreaders and the spreader kit for 1 element quad by spiderbeam.

This small dual band UHF VHF directional antenna is good choice for portable operations. This antenna is composed by a moxon antenna for the two meters band and it includes two parastatic elements for 70 cm band.

For my SOTA activities, i recently bought a QRP transceiver QRP SW-3B, which is a three-band QRP CW only for 40/30/20 m. So, i needed an antenna that would allow to use these 3 bands in SOTA portable activity. Already having some experience with the EFHW antenna, i decided to build one for 40/30/20m.

This antenna is reported as being lower noise than conventional yagis and had a very low SWR for 500 KHz.

The _RS Group_ (formerly Distrelec) provides a comprehensive online store for electronic components, catering to both industrial and amateur radio needs. This resource offers a wide array of parts, including semiconductors, capacitors, resistors, relays, sensors, and power supplies, essential for constructing and maintaining amateur radio equipment. The platform emphasizes efficient procurement and features various top-level categories for easy navigation, such as **Sensors** with 33 subcategories and **Relays** with 13 subcategories, supporting diverse project requirements. Beyond component sales, RS Group offers services like ISO- and DAkkS-certified calibration for over a thousand measuring devices, and e-procurement solutions for businesses. The site also promotes _DesignSpark_, a community and software suite for electronic designers, aiding in the realization of design ideas. This integration aims to provide enhanced local support and a broader product selection, facilitating everything from basic circuit builds to complex industrial automation projects.

ESP32 portable CW Keyer with touch buttons and bluetooth interface, allows control from mobile phone and other devices, Up to 25 pre-saved messages, Variable speed from 5 to 70 wpm.

NanoVNA based on edy555, use the odd harmonic extension of si5351 to support the measurement frequency up to 900MHz. GitHub repository.

Once you have designed your QSL label from the Label Settings screen, you will be able to print QSL labels and address labels from the OQRS requests submitted for your Call or Calls.

Since January 1, 1982, 1A contacts have been eligible for **DXCC** credit, making the prefix highly sought after by the amateur radio community for over 41 years. The 1A0C station, operated by the Order of Malta's Italian Relief Corps (CISOM), engages in DXpedition activities with a dual purpose beyond simply providing a rare "new one" for DXers. For instance, the July 26 - August 2, 2023, operation specifically channeled received donations towards reconstruction efforts for flood victims in Romagna, aligning with CISOM's humanitarian mission. The site outlines CISOM's broader scope, which includes impartial humanitarian relief, medical assistance, and emergency support for natural disaster victims, emphasizing respect for diverse beliefs. This approach integrates high-profile amateur radio operations with significant charitable outcomes.

Around 17% of the U.S. population experiences some degree of Dyslexia, a condition affecting language processing that can hinder amateur radio license candidates, often leading to repeated exam failures despite diligent study. This resource outlines methods for Volunteer Examiners (VEs) and Elmers to identify and assist candidates with cognitive disorders like Dyslexia and **ADHD**, which affects approximately 4% of U.S. adults. It emphasizes recognizing patterns in missed answers, such as spatial placement errors on answer sheets, and suggests reading questions aloud as an accommodation. The author, NC4FB, shares a structured approach developed over three years, involving extensive candidate interviews and a self-study program. This program utilizes specialized software with keyword highlighting and a unique font to improve comprehension for Dyslexic/ADHD candidates. It also incorporates **MP3 audio files** for subelement questions and correct answers, providing an alternative study method for those who benefit from auditory learning. Key elements of the support strategy include repetition, positive reinforcement, and timely progress updates, often visualized with a color-coded table tracking scores of 85 or higher. The goal is for candidates to pass three consecutive sample exams with at least 85% before attempting the actual license exam, demonstrating mastery of the material.

Specialist for vertically adjustable supporting frameworks including telescopic masts and telescopic towers for ham radio systems, lighting systems, measurement techniques, observation systems. Located in Gnaschwitz Germany

A home made portable QRP transceiver designed to work on 40 or 80 meters SSB band.

The PAC-12 Antenna, a multi-band portable vertical, is meticulously detailed in this construction article by James Bennett, _KA5DVS_. The design emphasizes ease of homebrewing using readily available components from local hardware stores, including replaceable loading coils. It outlines the preparation of the 72-inch telescoping whip (originally from Radio Shack, with an alternate source now provided by _Pacific Antenna_), the construction of the loading coils from PVC risers, and the fabrication of the aluminum rod base sections. Specific instructions cover threading aluminum rod with a _1/4-20 threading die_ and assembling the feedpoint insulator with a BNC connector, along with recommendations for radial deployment. KA5DVS, an avid traveler and QRP enthusiast, developed the PAC-12 to address the bulkiness of random wire setups and the limitations of commercial portable antennas like the Outbacker or SuperAntennas MP1. His goal was a lightweight, packable antenna that disassembles into 12-inch sections, achieving an assembled length of approximately 8 feet. The design strategically places the loading coil away from the base for improved efficiency. The PAC-12 notably placed first in efficiency compared to a quarter-wavelength wire vertical at the HFPack antenna shootout during the Pacificon conference in October 2001, demonstrating its practical performance for field operations. Appendix C showcases various _NJQRP Club_ members' PAC-12 constructions, including a 20m beam made with multiple PAC-12 elements.

The Utah Amateur Radio Club (UARC), holding the callsign _W7SP_, provides a comprehensive resource for amateur radio operators, particularly within Utah. It details club activities such as Field Day, Winter Field Day, and annual social events like the Steak Fry and Christmas Dinner. The site also lists club resources including repeaters, _IRLP_ information, HF remotes, and a lending library. Information on becoming a ham, exam schedules, and a local repeater list are also available, catering to both new and experienced operators in the region. UARC hosts regular meetings on the second Thursday of each month, excluding July and August, at the University of Utah's Warnock Engineering Building, with presentations on topics like weather and _Skywarn_. The club publishes the monthly _Microvolt_ newsletter and maintains a YouTube channel for meeting playback. Additionally, UARC offers a Ham Hotline for questions and provides access to an "Elmer" list for mentorship, supporting the local amateur radio community.

Presents Wayne Kerr Electronics, a manufacturer specializing in precision component measurement products. The company offers a range of LCR meters, impedance analyzers, and transformer test systems designed for various applications in electronics manufacturing and research. Specific product lines include the 3260B Precision Magnetics Analyzer, which measures inductance, capacitance, and resistance with high accuracy, and the 6500B series of LCR meters, capable of testing components across a broad frequency range up to 120 MHz. The 3255B and 3265B series provide solutions for transformer and inductor testing, including turns ratio, leakage inductance, and inter-winding capacitance measurements. These instruments are utilized in quality control, component characterization, and production line testing, ensuring performance and reliability in electronic circuits. Wayne Kerr's offerings support engineers and technicians in verifying component specifications.

When planning your operating schedule, a reliable contest calendar is an essential tool for any serious contester. This DARC-maintained resource compiles current contest announcements for both HF and VHF/UHF operations, making it straightforward to identify upcoming opportunities for competitive radio sport. My own experience has shown that having a centralized, well-organized calendar saves significant time, especially when targeting specific events like the Clubmeisterschaft Classic (CMC) or the KW-Pokal. The DARC calendar highlights these German and European scoring contests in yellow, providing immediate visual cues for participants. HF contests are clearly marked in blue, while VHF/UHF events appear in red, simplifying band-specific planning. Beyond the major international contests, the calendar emphasizes regional events, which can be particularly useful for those aiming to improve their standing in local club competitions or explore less common contest formats. Special activity periods, such as those spanning multiple days, are also noted with a green background, ensuring operators are aware of extended operating windows.

The Waterway Net, sponsored by the Waterway Radio and Cruising Club, is dedicated to enhancing amateur radio communications for recreational boaters. Meeting daily at 0745 ET on 7.268 MHz LSB, the net focuses on safety and weather updates, providing a vital link for live-aboards and cruising boats to stay connected with families and friends. Position Reports and Float Plans are essential components that ensure safety for offshore passage makers. Established in the early sixties, the Waterway Net is one of the longest-running nets in amateur radio history. Open to all amateur radio operators with a General class license or higher, it encourages participation without requiring WRCC membership. Newcomers are advised to listen initially to understand net procedures before checking in. In emergencies, FCC regulations allow anyone, licensed or not, to use any frequency to call for help, with the 20-meter frequency of 14.300 MHz available for emergency assistance approximately eighteen hours a day.

Remote Orbitron enables either direct connection between a computer and the shack unit using a serial port OR remote operation from the internet using a WIZ110SR serial to ethernet board.

Examines Teledyne Cable Solutions' offerings, focusing on their engineered solutions for demanding cable applications. The resource details their capabilities in designing and manufacturing _multi-core cable_ and ruggedized assemblies, emphasizing their integrated approach within Teledyne Marine. It covers the technical aspects of their products, which are tailored to specific operational environments and performance requirements, ensuring reliability in challenging situations. The content highlights the practical application of their cable solutions across various industries, including those requiring robust interconnectivity for remote sensing or communication systems. It implicitly suggests how these specialized cables, designed for high performance and durability, could benefit amateur radio operators seeking reliable feedlines or control cables in extreme weather or portable operations, potentially offering superior signal integrity and mechanical strength compared to standard offerings. The company's focus on custom solutions distinguishes its approach.

TelExpress provides a wide array of RF and data connectivity products, including various coaxial cables like LMR-series equivalents, fiber optic cables, and Ethernet solutions. Their inventory supports diverse amateur radio and telecommunications requirements, from antenna feedlines to network infrastructure. The site emphasizes bulk cable availability and custom assembly services, catering to both individual hams and larger installations. Key offerings include _low-loss coax_ for HF and VHF/UHF applications, along with a comprehensive selection of RF connectors. They also supply patch panels, Ethernet cables (Cat5e/Cat6), and general wireless and telecom hardware. Customers can find components for building robust station infrastructure, ensuring signal integrity across various frequency bands. The platform facilitates procurement of essential parts for new builds or upgrades, supporting reliable RF system performance.

This HOWTO explains in detail how you can use the Kenwood TS-590S USB, COM and ACC2 ports for digital operation, set up the radio for digital data and digital voice operation

Enables operators to search the XR0ZRC DXpedition log online, a service facilitated by **Club Log**. This tool allows for rapid **QSO verification**, confirming contacts made with the XR0ZRC entity. Users can input their callsign and other contact details to ascertain if their signal report and time match the DXpedition's records, a critical step for award applications like DXCC. The platform offers a straightforward interface for checking log entries, which is particularly useful for those chasing new entities or band slots. It integrates seamlessly with the broader Club Log ecosystem, providing a reliable method for operators worldwide to confirm their DX contacts without requiring a login, reflecting the utility of real-time log updates in the amateur radio community.

Super Simple APRS Position Reporter. This project idea has been in response to the more hardware heavy Raspberry Pi projects that involve extra TNC hardware, additional sound cards, and custom cabling. This APRS position reporter is done using a Raspberry Pi B+, USB GPS receiver, Baofeng UV-5R, and a mono 3.5mm audio cable between the Pi and HT.

The Dickson County Amateur Radio Club (DCARC) operates as a local organization for amateur radio enthusiasts in Middle Tennessee, providing a focal point for hams in the area. The club's activities typically encompass local nets, technical discussions, and support for emergency communications, aligning with the public service aspects of amateur radio. Members often engage in various operating modes and bands, sharing knowledge and experience to enhance their collective skills. Club members participate in field days, local contests, and community events, demonstrating the practical applications of amateur radio. These gatherings offer opportunities for new hams to gain practical experience and for seasoned operators to mentor others, strengthening the local amateur radio community. The DCARC serves as a hub for camaraderie and mutual support among its members, contributing to the vibrant ham radio scene in Tennessee.

The Intercontinental Amateur Traffic Net (Intercon) operates daily on 14.300 MHz, providing a platform for emergency communications and facilitating third-party traffic among amateur radio operators. Established in 1960, the net aims to foster goodwill and friendly relations within the ham community. It operates from 0700 to 1200 Eastern Time, with a focus on monitoring emergency traffic while encouraging operators to maintain a distance of at least 5 kHz to avoid interference. All licensed General Class operators and above are welcome to check in, using standard phonetics for clarity. The net features rotating Net Control Station (NCS) operators every hour, ensuring a diverse range of voices and experiences. Operators are encouraged to provide relays and assist with emergency traffic when necessary. While there is currently no membership for non-NCS operators, opportunities exist for those interested in becoming NCS operators. The net emphasizes professionalism and courtesy, making it a valuable resource for both emergency communications and casual check-ins.

A spectrum analyzer is always an usefull amateur radio test equipment that should be present in a radio shack. Hams can use it for testing frequency response of filters, amplifiers, and other two-port RF devices. This article illustrate a tracking generator compatible with any spectrum analyzer in the Tektronix 490- and 2750-series lineups

The Slim-Jim is a bit of a classic - building one is almost certainly a rite of passage and you will be glad that you did: It is easy to make, fairly easy to tune and rolls-up for transportation.

The Pacific Seafarer's Net is an amateur radio communications net organized to provide support, assistance and daily tracking for maritime operators.

This PDF document reviews the POTA PERformer Antenna by KJ6ER, providing insights and details about its performance and features. The content is aimed at hams looking for information on this specific antenna model to help them make an informed purchasing decision. It contains technical specifications, user experiences, and possibly recommendations for optimal use. The review is valuable for hams interested in portable operation and seeking a reliable antenna solution for Parks on the Air (POTA) activations.

CW decoder using a PIC microcontroller. This is a morse code decoder made using a PIC(16F88) microcontroller, this project supports displays with multiple controller chips

The South Manchester Radio and Computing Club (SMRCC) provides a vibrant community for radio amateurs and computing enthusiasts in Sale, Cheshire, UK. Established as an active local club, it hosts regular weekly talks covering diverse subjects within both amateur radio and general computing. Members engage in various activities, fostering knowledge exchange and practical skills development across different facets of the hobby. The club's focus extends to supporting members in their pursuit of radio operating, technical projects, and digital communication methods. With a consistent schedule of meetings, SMRCC aims to be a central hub for local hams and those interested in the intersection of radio and computer technology. The club's activities contribute to the local amateur radio scene, offering opportunities for learning and social interaction.

The Tyler County Amateur Radio Association (TCARA) serves as a focal point for amateur radio operators in Woodville, Texas, and surrounding areas, emphasizing knowledge sharing and skill advancement among its members. The association actively participates in public service communications, including _ARES_, _RACES_, and _Skywarn_ initiatives, demonstrating a commitment to community support through amateur radio. Regular meetings are held on the first Thursday of each month at 6 PM at Calvary Baptist Church, 909 N Magnolia St, Woodville, TX, providing a consistent venue for fellowship and operational planning. TCARA facilitates amateur radio license examinations, offering testing sessions for all license classes, from Technician to Amateur Extra. This commitment to education supports new hams entering the hobby and existing operators upgrading their privileges. Prospective members or individuals interested in licensing, Technician classes, or general club activities are encouraged to reach out via email for further information, indicating a direct channel for engagement.

The DV Access Point Dongle connects to your PC or Intel based Mac via a USB port and provides a 2 meter Access Point for use with a D-STAR radio. Using an Internet connection, a user may connect to and communicate with D-STAR gateways and reflectors around the world