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World Castle award web site. The program goal is consolidation of radiohams of different countries for activation and popularization of historical objects all over the world.

"The DSWCI was founded 1956 and has members in 36 countries all over the world. The member bulletin ""Shortwavenews"" is published regularly in english."

The purpose of this web page is to try to investigate some of the issues around ICOM IC-746PRO reported by many radio amateurs through out the world; and unfortunately not properly taken care of by ICOM.

A selection of alphabets used, particularly by ham radio operators, to spell out words

History of codes of the world, russian codes, visual codes, and al long collection of telegraph codes as used worlwide including the international morse code and the relative variations

Microwave general web site by G3PHO

CWS ByteMark's Baluns (Balanced to Unbalanced) and Ununs (unbalanced to unbalanced) transformers are developed jointly with Dr. Jerry Sevick, W2FMI, who is known worldwide for his work on transmission line transformers

Electronics and Radio Today for electronics and radio information, projects parctical information and introductory articles. Especially useful for those taking GCSE Electronics in the UK and around the world.

Icom Remote Control Software for windows remotely control Icom transceivers through an IP Network

Demonstrates the operational status and reception reports for the SK6RUD/SA6RR QRPP beacons, which transmit on 478.9 kHz, 1995 kHz, 10.131 MHz, and 40.673 MHz. These beacons utilize extremely low power, with the 630-meter beacon operating at approximately 0.1 watt ERP into an L-antenna, showcasing the potential for long-distance contacts under favorable propagation conditions. The site details the specific frequencies and antenna types employed, such as a vertical at 500 kHz and a 1/4 vertical for higher bands. The resource compiles over 10,530 reception reports from amateur radio operators worldwide, logging details such as date, time, band, RST signal report, locator, distance, and receiver setup. Notable long-distance reports include a 500 kHz reception by AA1A-Dave from 5832 km in 2008 and a 10.133 MHz reception by ZL2FT-Jason from 17680 km in 2010, illustrating the global reach of these low-power transmissions. Each log entry provides specific equipment used by the reporting station, including transceivers like the Yaesu FT817, ICOM IC-7300, and various antenna configurations such as coaxial mag loops, inverted Ls, and end-fed wires. The primary objective of the SK6RUD beacons is to challenge conventional notions of power requirements for effective two-way communication, proving that contacts over significant distances are achievable with minimal output. The site also includes a submission form for new reception reports, fostering community engagement and continuous data collection on propagation phenomena across different bands. The detailed logs offer practical insights into real-world propagation characteristics and the efficacy of QRPP operations.

AGB - Activity Group of Belarus have Awards and Trophy programs - 19 color award of Belarus and World team. Rules and pictures.

W9DC North America Amateur Radio checkpoint for IOTA Islands on the Air and WLH World Lighthouse award applications and award instructions; Island and lighthouse award links for international radio operator activities

Worldwide distributor of radio communications, wireless equipment, accesories and complete systems.

TAPR, an international organization dedicated to amateur digital communications, is pleased to present this collection of information about TAPR, via the World Wide Web.

The Research and Documentation Center for the History of Radio Communications and the Electronic Media (our full name) is the world's biggest organization to collect, save, research and present whatever relates to the history of radio communications, particularly amateur radio and broadcasting

Vacuum Tubes and Radio Tubes Our specialty. We carry over 5,000 radio and vacuum tubes in stock every day and we ship world wide. Tubes for industry, music, ham radio, the audiophile.

World Map - Time Zones realtime map allow to select and display current time for selected regions

The Providence Radio Association Incorporated, one of the oldest radio associations in the world.

This article includes an online calculator for a 3 element Yagi Antenna. The formula and basics theory of Yagi Antenna are also explained with examples.

The following table is adapted from the International Telecommunications Union Radio Regulations Appendix 18, including changes adopted by the 2012 World Radio Conference.

Dedicated to the RTTY contesters worldwide by DK3VN, contest rules and summaries,

Presents construction details for Moxon antennas, specifically focusing on 10-meter and 17-meter band configurations. It covers practical aspects of building these directional wire arrays, including element spacing, feedpoint considerations, and material choices for optimal performance. The resource emphasizes homebrewing techniques suitable for amateur radio operators. Discusses the advantages of the Moxon rectangle design, such as its compact footprint compared to a full-size Yagi and its favorable front-to-back ratio. It provides insights into achieving proper impedance matching and structural integrity for portable or fixed installations. The content includes photographic examples of constructed antennas. Explains the iterative process of tuning and optimizing Moxon antennas for specific frequency segments within the 10m and 17m bands. It offers guidance on minimizing SWR and maximizing gain, drawing from real-world building experiences to assist constructors in replicating successful designs.

ECONCO has been rebuilding vacuum tubes for more than 30 years. Our commitment to quality, and concern for the environment has won us the acclaim of clients worldwide.

The NIDXA is an active DX club affiliated with the ARRL. NIDXA runs the W9 Incoming QSL bureau, a DX Packet Cluster, and the world famous W9DXCC convention.

Satellite infos and links by Larry Johnston

Monitoring real-time amateur radio activity is essential for DXers and contesters seeking rare contacts or tracking propagation. This online service aggregates DX spots from various **DX Cluster** networks, presenting them visually on a world map. Users can observe new spots as they appear, facilitating quick identification of active stations and potential openings. The platform offers filtering capabilities, allowing operators to narrow down displayed spots by specific bands such as 160m, 80m, 40m, 20m, 10m, and even VHF/UHF segments like 70cm and 23cm. Further refinement is possible by selecting the source continent of the spotter or the continent of the DX station, which assists in strategic operating. The service also includes a "Hot Now" list, highlighting currently active stations with recent spots. This dynamic display supports informed decision-making for pursuing **DX contacts** across different bands and geographical regions.

The QRZ.com callsign database serves as a fundamental resource for amateur radio operators worldwide, enabling rapid lookup of station information. Each entry, such as the one for _HB9DSP_, typically includes essential details for making and confirming contacts. Operators can find QSL routes, often indicating preferences like "via bureau or direct," which streamlines the exchange of QSL cards for award credit. Beyond basic contact data, these pages frequently offer insights into an operator's activities, including their participation in contests or DXpeditions. The platform also tracks metrics like "XML Subscriber Lookups," showing how often a callsign's data has been programmatically accessed, totaling **77670** for this specific entry. This functionality is crucial for logging software and other automated systems that rely on accurate, up-to-the-minute amateur radio data. While the page title mentions a "Home made multiband MOXON" antenna, the actual content primarily focuses on the callsign's biographical data within the _QRZ_ database.

Constructing a mobile HF antenna presents unique challenges, particularly when aiming for multiband operation and robust mechanical stability. This project details N1GY's adaptation of the KM4IE $20 antenna and the _Texas Bugcatcher_ design, focusing on practical build considerations and on-the-road performance. The author shares insights from winding coils on 2-inch PVC forms and integrating a salvaged fiberglass core from an old Hamstick-style antenna to enhance structural integrity, preventing potential failures from stress on PVC joints. N1GY's build includes a custom matching coil and a commercially sourced MFJ loading coil, carefully integrated into the design. The article provides specific tap settings for bands from 75 meters to 15 meters, achieving SWRs as low as **1.2:1** on 40 meters and **1.6:1** on 75 meters. Mechanical testing involved driving at speeds up to 70 MPH on Interstate routes, confirming the antenna's durability and the effectiveness of its PVC brace system. Further modifications address real-world usability, such as simplifying antenna removal for car washes. The ground strap was updated with a Power Pole connector, and the brace attachment to the luggage rack was converted to wing nuts, reducing removal time from 30 minutes to approximately _five minutes_. This iterative design process highlights practical solutions for mobile HF operation.

The largest radio telescope in the world.

The latest info on the world of radio including:world,shortwave,pirate,digital,mw,lw news,links.

Presents the construction of a 2-meter **Skeleton Slot Yagi** stack, detailing the design process and practical considerations for VHF operation. The author shares insights from building and testing this antenna, emphasizing its performance characteristics for local and extended range contacts. The project outlines the specific dimensions and materials used, providing a clear path for other radio amateurs to replicate or adapt the design for their own stations. The resource covers the unique aspects of the Skeleton Slot radiator, explaining how its geometry contributes to gain and pattern control. It includes discussions on impedance matching and feedline considerations crucial for optimizing power transfer and minimizing SWR. The article draws on real-world testing, offering practical results that validate the theoretical design. This project serves as a valuable reference for those interested in custom VHF antenna solutions.

The MRAC is one of the oldest amateur radio clubs in the world, having been incorporated in 1917 and affiliated with ARRL

This resource provides a unique historical audio archive of 50 MHz DX contacts, documenting significant F2 and Es propagation events experienced by PA2S (formerly PA2HJS) since 1978. The collection includes recordings of beacons and two-way QSOs with stations across North America, South America, Asia, Australia, Europe, and Africa. Specific entries detail contacts with rare DX entities such as ZS6PW, VE1AVX, C5AEH, J52US, TR8CA, LU8MBL, VK8ZLX, and various Japanese stations, often noting the mode (SSB or CW) and propagation type. The archive also highlights challenging pile-up situations and frustrating near-misses during major openings. The recordings, initially in RealAudio format for solar cycles 21 and 22 and later in MP3 for cycle 23, offer a practical illustration of 6-meter band conditions over several solar cycles. The content allows hams to listen to actual signals from different continents, observing signal characteristics like typical TEP fading from 5H3RA or strong F2 backscatter from OZ1BVW. It provides a comparative perspective on propagation effectiveness between solar cycles, noting that cycle 23, while not as robust as previous cycles, still yielded interesting openings. The archive serves as a valuable educational tool for understanding real-world 50 MHz DXing and propagation phenomena.

HIDEXA Dedicated To The Pursuit Of Worldwide DX

Windows shareware contest log program for the CQ WW DX contest. The contest log software offers a Network version capable to run over a local area network in order to allow several pc to update a single shared contest log file. Windows XP through Windows 10.

Effectively teaching amateur radio licensing classes requires more than just technical knowledge; it demands strong pedagogical skills and organizational acumen. This guide addresses the practical aspects of conducting successful amateur radio courses, emphasizing the instructor's role as an educational manager rather than merely a knowledge dispenser. It explores various class organizational structures, including traditional weekly sessions and _hybrid_ full-day formats, noting that many small meetings are often preferable for student engagement. The resource also provides strategies for finding suitable class locations, from public libraries and community centers to navigating public and private school systems, highlighting the importance of stressing the public service aspect of amateur radio to potential hosts. Key sections delve into effective classroom management, stressing the importance of preparation, a structured routine, and creating a comfortable learning environment. It details the VARK learning styles (Visual, Aural, Read/write, Kinesthetic), advocating for teaching methods that engage multiple senses to enhance student comprehension. The guide also offers advice on breaking down complex technical material, defining unfamiliar vocabulary, and making theoretical concepts practical through real-world examples. It includes a sample entry-level license syllabus covering topics like the nature of amateur radio, technical basics, transmitter/receiver fundamentals, and antennas, providing a framework for instructors to build their curriculum.

PDF File of the IC R7100 communication receiver service manual

Radials & Counterpoise

"Sked Wizard is an applet designed to help radio enthusiast get more enjoyment from their available operating time, ships with a list of ""radio related"" world band programs"

Broadcasts national and international programs locally and to all world regions in over 30 languages on mediumwave FM, TV, RealAudio/TV and on shortwave.

A selection of radio collectors from all around the world interested in collecting, repairing, restoring, trading, selling parts, radio magazines, advertising collectibles, old records and technical talk.

Broadcasts Bible teachings in 15 languages to all world regions on local media such as mediumwave, TV and FM, via international shortwave radio and Internet radio and TV.

During a club's "Filetto Day" event, a comparative field test was conducted between a **Buddipole** antenna and a homemade 20/40-meter wire dipole. The author, IW5EDI, performed this personal evaluation from a mountain top at 1500 meters above sea level, utilizing a Yaesu FT-857D transceiver to switch between antennas. The observations on the 20-meter band indicated that the wire dipole consistently delivered significantly stronger signals compared to the Buddipole. Additionally, the Buddipole exhibited higher levels of **QRM** during the listening tests. The commercial Buddipole, known for its multiband capability and compact size with a self-supporting tripod, was contrasted with the simpler, larger wire dipole, which required a fiberglass fish pole for support. This direct comparison highlights practical differences in performance and deployment between a popular portable commercial antenna and a basic wire antenna in a real-world operating environment.

RKI (Radio Korea International), an international broadcast service. Information and connection to live Real Audio broadcasts. RKi brings 10 languages news and Korean songs

HFpack provides an information exchange about transceivers, antennas, systems, HF packs, propagation, new developments and techniques in HF portable operation. Radio Amateurs are invited to participate in egroup and on-the-air nets around the world.

Glacier-Waterton International Peace Park Hamfest Oldest continious running hamfest in the world

The only worldwide amateur radio repeater directory. Supports Android, iPhone, web, RT Systems, CHIRP GPS enabled. AvMap, Garmin, TomTom

Radio New Zealand International is a Shortwave Broadcaster. Our broadcasts are beamed to the island nations of the Pacific but can also be heard in other parts of the world.

The QRV.DK platform offers a dedicated **QRZ callsign search engine** specifically tailored for Danish amateur radio operators. It enables users to look up callsigns and ascertain their **Logbook of The World (LoTW)** status, a critical feature for DXers and contesters seeking QSL confirmations. The search functionality facilitates rapid access to operator details within the Danish amateur radio community, streamlining contact verification processes. Beyond callsign lookups, the resource includes a comprehensive repeater list for Denmark, providing essential information for local and regional VHF/UHF operations. This feature supports mobile and portable stations in locating active repeaters, enhancing communication reliability across various bands. The site also curates a collection of ham radio links, serving as a centralized hub for related amateur radio resources.

This program converts an ADIF report file from ARRL's Logbook of the World (LoTW) to comma-separated value (CSV) format so that it can be read into a spreadsheet program like Microsoft Excel.