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Hanging Judge Hamfest, Fort Smith, AR Fort Smith Area Amateur Radio Club

MARCA - an amateur radio experimential and education organization in the Phoenix, Arizona area

FT-817 Information & answers to common questions including widebanding

Locura Digital is a Radio-Communication Professional company, dealer for wide range of amateur radio products, based in Barcelona Spain

A small amateur radio club located in northern Maine along the Saint John River.

Amateur radio shop and Yaesu dealer in Hungary

Operating pedestrian mobile by G3XBM

Peninsula Amateur Radio Club - W4MT - Newport News, Virginia

Amateur radio blog from UK

This blog is maintained as a resource for the IOMARS and other persons interested in Amateur Radio.

With Varying Frequency - Amateur Radio Ponderings

W9ATG Greenfield, IN

The Delta Amateur Radio Society promotes the hobby of Amateur Radio in the community and encourages community involvement.

Displays a placeholder page indicating the upcoming launch of a personal website for F5MSU Bruno. The content briefly notes the operator's interests, including amateur radio, genealogy, and motorcycling. While the site is not yet active, it provides contact information for inquiries regarding the future content. The page is presented in French, catering to a European audience interested in personal profiles of ham radio operators and their diverse hobbies. The resource is categorized under Ham Radio/Personal Pages/Europe, suggesting an intent to share DXing, contesting, and general operator profiles.

YRC the Yellowstone amateur radio club

The **LDG Z100 Autotuner** review by GW6ITJ details the unit's practical application and performance in a ham shack environment. Initially acquired to replace an MFJ-902, the Z100 is noted for its ease of use, though the author observes it doesn't quite match the impedance range of the older MFJ unit. This hands-on assessment provides a real-world perspective on its capabilities for 100-watt operation across the HF bands. GW6ITJ specifically mentions the Z100's suitability for 3.5 MHz and higher frequencies, indicating its utility for common HF operations. The review focuses on user experience rather than technical specifications, directing readers to the LDG website for detailed data and manuals. This approach highlights the tuner's operational characteristics from a user's perspective. The author's experience with the Z100 suggests it's a reliable choice for general amateur radio use, particularly for those seeking a straightforward autotuner. The comparison to the MFJ-902 offers a valuable benchmark for hams considering a similar upgrade or new acquisition, emphasizing practical differences in impedance matching.

The Radio Amateur Society of Hellas (R.A.S.H.) is a greek non profit association that interests for the radio amateur distribution, the promotion of interests of radio amateur service, the experimentation as well as the upgrade of technique of radio communications.

Serving the Community and Amateur Radio for over 50 Years

The W0IS resource outlines methods for finding historical US amateur radio call signs, particularly for genealogical research. It highlights the comprehensive collection of digitized call books from 1906-1996 available at leehite.org, stored as searchable PDF files. These resources significantly simplify what was previously a laborious manual search through physical call books, which were typically indexed by call sign rather than name. The guide details specific search techniques for various eras. For early radio days (1913-1923), government call books are readily available and searchable online via Google Books and hathitrust.org. For the period between the 1930s and 1980s, when private publishers like "Radio Amateur Call Book Magazine" dominated, the resource points to archive.org for scanned editions (1938, 1940, 1948, 1972) that support full-text OCR searches, despite potential scanning errors requiring flexible search terms. It also provides strategies for navigating Google Books' "snippet view" for the 1952 call book, including searching by name or address and interpreting often illegible snippets. The resource suggests cross-referencing findings with hamcall.net for call sign verification from 1921, 1954, 1960, 1969, and 1983 onwards. Additionally, it lists physical call book collections at institutions like the Pavek Museum of Broadcasting and individuals like W3HF, offering avenues for deeper research when digital methods fall short.

SWL and amateur radio by IZ1CRR

A short introduction to amateur radio portable operations bu VKFAQ.

ARROW Communications Association Serving radio amateurs in Washtenaw and Wayne Counties

The International Lighthouse/Lightship Weekend (ILLW) is an annual amateur radio operating event, typically held on the third full weekend in August, spanning **48 hours**. Originating in 1998 as the _Scottish Northern Lights Award_ by the Ayr Amateur Radio Group, the ILLW has evolved into a major international event. It encourages amateur radio operators to activate stations from lighthouses and lightships worldwide, fostering contacts and promoting maritime heritage. The event is characterized by its minimal rules, making it accessible and enjoyable for participants without the competitive pressure of traditional contests. Over 500 lighthouse entries from more than **40 countries** participate annually, contributing to August becoming recognized as "Lighthouse Month" within the amateur radio community. Unlike typical contests, the ILLW emphasizes participation and enjoyment over scoring or prizes for high contact counts. The site provides registration forms, entrant lists for upcoming years like 2026 and 2027, and reports from previous events, alongside historical context for the ILLW and related lighthouse activities such as the US National Lighthouse Week and the International Lighthouse Heritage Weekend.

The Saratoga Amateur Radio Association provides emergency communications for the City of Saratoga, and promotes amateur radio in the community.

The Oldest Amateur Radio Club in Oklahoma

The first and oldest amateur radio club in Beaver County PA USA

A tutorial on how to setup a receiver capable to decode SSTV signals with a small RaspberryPi version 2 and a RTL-SDR dongle. The author explains how to install the needed software to interface the RTL-SDR and a step by step guide to install the QSSTV software used to decode the signals.

Ham radio blog in English and Dutch. The radio adventures of PE4BAS.

Serving Akron, Ohio, Summit County and the surrounding area since 1981

Zero Beaters Amateur Radio Club Dutzow, MO

A blog mainly about my favourite hobby-amateur radio, shortwave listening and radio in its many forms.

SDR++ is a cross-platform, open-source SDR software designed for minimal bloat and ease of use, supporting Windows, Linux, macOS, and BSD operating systems. It incorporates multi-VFO capabilities and offers extensive hardware compatibility through both _SoapySDR_ and dedicated modules. The software features SIMD accelerated DSP for efficient signal processing and provides full waterfall updates when possible, which enhances signal browsing. Its modular design facilitates the development of custom plugins, allowing users to extend its functionality. The application's focus on a bloat-free architecture and user-friendly interface aims to simplify the experience of working with Software Defined Radios. The full waterfall update mechanism is particularly beneficial for visualizing and identifying signals across a wide frequency spectrum, improving operational efficiency for radio amateurs. The modular plugin system enables community contributions and specialized enhancements, making _SDR++_ adaptable for various amateur radio applications, from general listening to specific digital mode decoding.

DX Maps provides a specialized map printing service, focusing on amateur radio applications such as world prefix maps and custom great circle projections. The platform allows radio operators to visualize propagation paths and DX entities relevant to their QTH and operational goals. This service supports the creation of high-quality, large-format maps tailored for shack display or operational planning. The service facilitates the generation of personalized maps, which can include specific callsign locations, beam headings, and other critical amateur radio data points. Users can specify parameters to create maps that aid in understanding global propagation conditions and optimizing antenna aiming for long-distance contacts. The UK-based operation ensures a localized service for European hams, with international shipping options available. DX Maps also offers QSL card printing, complementing its mapping services.

A review about the Wouxun KG-UV8D two-way handheld VHF UHF radio transceiver

Iambic and Straight key amateur ham radio CW Morse code practice oscillators for Android. This Android app gives you both straight and iambic CW Morse code practice key oscillators. Each key translates Morse code into English and CW prosigns in real time as you practice. Practice sending Morse code with a straight key oscillator. Settings include WPM, show/hide Morse code/text, choose sidetone 400Hz-800Hz. Adjust the WPM so that you can produce well formed DITs and DAHs at a comfortable speed.

This is a discussion group for developers involved with the import or export of data formatted according to the ADIF standard for Amateur Radio Software.

The Garden City Amateur Radio Club (GCARC) is a non-commercial association of Amateur Radio Operators in Garden City, Michigan and the surrounding area

Sent every Saturday, Amateur Radio Weekly is an email newsletter containing links to the most relevant news, projects, technology, and events happening in Ham Radio

The Davie/Cooper City Amateur Radio Club (DCARC), established in 2010, is an amateur radio organization based in western Broward County, Florida.

Mircules HAM QuickLog provides a mobile logging solution for amateur radio operators, supporting quick contact entry on iOS and Android platforms. It features multiple log file management, instant callsign information display including Country, ITU zone, CQ Zone, and DXCC number, and robust ADIF and CSV import/export capabilities. The application is designed for efficient logging with optional fields and default values, streamlining the process for both shack and field operations. The software includes dedicated support for POTA, SOTA, and IOTA activations through specific fields like MY_SIG_INFO, SIG_INFO, MY_SOTA_REF, IOTA, and MY_IOTA. A specialized contest mode offers real-time dupe checking and automatic TX exchange updates to enhance contest efficiency. Integration with QRZ.COM and HAMQTH.COM allows for direct operator information lookup and import, while Open Street Maps integration provides geographic context for contacts. The application also features a notes and scratchpad function for each log file.

WAC DX Club founded in Holland in 1983. World Amateurs Club is one of the oldest CB DX Radio clubs with memberships all over the world

An inexpensive spectrum analyzer for the radio amateur, with a respectable performance and a quite good dynamic range. Schematic and basic information on how spectrum analyzers works.

50Mhz 28Mhz 13.5Mhz amateur radio propagation beacons by K6FRC

W4SHL amateur radio club in Shelby County

Amateur Radio Coaxial Antennas by G3TXQ

This DIY vertical multi-band Windom antenna offers a practical and effective solution for amateur radio enthusiasts seeking a versatile and compact antenna for HF communications. Its simplicity of construction, multi-band capability, and favorable performance make it a valuable addition to any radio shack. The article provides detailed instructions on constructing the antenna and balun, along with diagrams and component specifications. Field tests demonstrated successful contacts with stations across Europe and North America on 14, 18, and 28 MHz. The antenna exhibited comparable performance to a W3DZZ dipole and outperformed a Cobweb antenna on 18 MHz. Low noise levels were observed, effectively suppressing background noise.

A group of Treasure Valley Hams have formed a group that is interested in experimenting with ballooning and using Amateur Radio and APRS to further our knowledge in communications.