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New Port Richey, Florida

The ANAN series SDRs are based on the OpenHPSDR open source designs, these are 4th generation radios and represent the state-of-the-art in current Amateur radio SDR design.

This online database, called HAMLOG, can be used free of charge by any radio amateur worldwide.

The KnightLites QRP Association is a world wide fellowship of low power (QRP) amateur radio communications enthusiasts founded in 1996, and is coordinated through the efforts of a small group of radio amateurs located in the Research Triangle region of North Carolina in the United States.

A gathering of Amateur Radio Operators in RV's near Quartzsite Arizona.

ARRL special service club

The Araucaria DX Group, based in Brazil, functions as an amateur radio club specializing in **DXpeditions**, **contesting**, and organizing various related events. The group actively sponsors contests and provides resources for DX enthusiasts. Its primary focus is on facilitating and participating in long-distance radio contacts and competitive operating events, contributing to the global amateur radio community. The group's activities include coordinating expeditions to rare DX entities, participating in major international contests, and fostering skill development among its members. By sponsoring events, the Araucaria DX Group supports the growth of amateur radio in South America, encouraging participation in competitive operating and promoting the pursuit of DX. The group's initiatives aim to enhance operational proficiency and expand the reach of amateur radio communications.

This resource, a blog from the Penang Amateur Radio Club (PARC), offers insights into various aspects of amateur radio in Malaysia. One post details monitoring Automatic Terminal Information Service (ATIS) on the 2m band, providing specific frequencies like 122.750 MHz AM for Butterworth and 126.400 MHz AM for Penang, along with sample aviation weather and operational data. Another entry critiques the lengthy and costly process of obtaining an amateur radio license in Malaysia, contrasting it with the more streamlined FCC licensing system in the United States, citing a 1-year wait and RM 414 (USD 125) for 10 years in Malaysia versus 3 weeks and USD 14 for 10 years in the US. The blog also covers internal club matters, such as the 2007 Annual General Meeting (AGM) attendance and council elections, highlighting member dissatisfaction with outdated newsletters and a call for "reformasi." Additionally, it presents local phonetic alphabets in Bahasa Malaysia and Chinese, and discusses monitoring AM broadcast bands for international stations like Voice of America on 1575 kHz and Zhong Yang Ren Min Guang Bo Dian Tai on 1134 kHz, offering alternatives to local 2m repeater chatter. The author, "firstclass," shares personal observations and criticisms regarding the Malaysian ham radio landscape.

Located in North Dakota

An International discussion group for D-STAR Digital Amateur Radio. Radios, Repeaters, Gateways, Internet, Setup, Mobile and Portable radios, Cloning Software, icf files,

Brevard County, Florida, USA

Understanding the operational impact of Broadband over Power Line (BPL) on amateur radio communications is crucial for any radio amateur, especially given the potential for significant radio frequency interference (RFI). This ARRL tutorial delves into the technical aspects of BPL, explaining how the technology operates by transmitting data over existing electrical power lines, which can inadvertently radiate broadband noise across various amateur bands. My own field experience, particularly on the lower HF bands, has often involved tracking down noise sources that exhibit characteristics consistent with BPL emissions, making this a pertinent topic for maintaining clear receive conditions. The resource further details the specific FCC rules and regulations implemented to restrict BPL deployment. These regulations aim to protect licensed radio services, including amateur radio, from harmful interference. It outlines the technical standards and operational limitations imposed on BPL systems to minimize their impact on the electromagnetic spectrum, a critical aspect for contesters and DXers alike. For those engaged in RFI mitigation, the tutorial provides a foundational understanding of the regulatory framework that can be leveraged when addressing BPL-related interference issues. It serves as a valuable reference for hams seeking to comprehend the technical challenges and regulatory solutions surrounding this pervasive noise source.

World of amateur radio by VK4NM

Website of the Chipola Amateur Radio Club and Jackson County ARES.

Thierry LOMBRY, ON4SKY, develops in depth and with original pictures the long history of amateur radio all through the world from 900 BC to date.

Demonstrates the swift setup process for a **Trans World Antenna**, showcasing its utility for portable amateur radio operations. The video highlights the antenna's design for quick deployment, a critical factor for activations like Summits On The Air (SOTA) or Parks On The Air (POTA), where efficiency in establishing a station is paramount. It illustrates the physical components and the sequence of assembly, emphasizing ease of use in varied field environments. The antenna system is presented as a multi-band solution, capable of operating across various HF frequencies. This adaptability makes it a versatile choice for hams engaging in outdoor activities or emergency communications. The visual demonstration provides practical insights into managing the antenna elements and feedline for optimal performance during temporary deployments. The focus remains on the practical aspects of field setup, rather than detailed technical specifications or performance metrics.

The ARRL Contest Results Database serves as a centralized repository for official scores and detailed breakdowns from numerous ARRL-sanctioned operating events. This resource typically features comprehensive listings of participants, their submitted logs, and final standings across different categories, modes, and bands. It allows hams to review their performance, compare results with other operators, and analyze contest trends over time, providing valuable insights into competitive amateur radio. Historically, the database has showcased the efforts of thousands of contesters, from single-operator entries to multi-operator, multi-transmitter stations. While the current status indicates scores are not immediately available, the database's primary function is to archive and present the outcomes of events like the ARRL DX Contest, Sweepstakes, and Field Day. This historical data is crucial for tracking individual progress, identifying top performers, and understanding the competitive landscape within the amateur radio community.

The official website of the Benelux DX-Club (BDXC), a club of radio listening amateurs, founded in November 1961

OBARC is an active organization participating in field day, various operating events, special events and contests

Radio Amateur Association of Greece

More than 400 Dutch Hamradio links

How to become an amateur radio ? by ON4SKY Review of general conditions to get licensed, examinations, regulation, CW, foreign calls, and more

PACTOR can be viewed as a combination of two earlier digital modes, packet radio and AMateur Teleprinting Over Radio (AMTOR). PACTOR provides improved throughput because its transmission speed adapts to the quality of the link and it uses Huffman compressed characters.

Snake River Amateur Radio Club

The page provides detailed instructions on how to build a 60 meter End Fed Half Wave Antenna Tuner, with large pictures and diagrams. It is aimed at amateur radio operators looking to construct their own antennas for the 60 meter band.

RSGB World Prefix Map - Radio Amateur's Map of the World

HF Beam Calculator for Amateur Radio and CB Communications

Getting started on RTTY contesting. A PDF by ED Muns, presented at CTU conterst university, about amateur radio RTTY Contesting

W8NWS is the Cincinnati, Ohio chapter of Skywarn.

W1MX, the MIT Radio Society, stands as America's oldest college amateur station, providing a vibrant hub for MIT students, faculty, and staff interested in RF engineering, telecommunications, and radio science. The club, formerly known as 1XM, fosters a growing membership and hosts regular business meetings on the first Tuesday of each month at 7:30 PM ET, alongside weekly social gatherings every Friday at 7:00 PM ET in room 50-358. No prior radio experience is necessary to participate, and interested students are encouraged to attend a social meeting for a station tour and to learn about typical club activities. The society emphasizes experiential learning opportunities, actively seeking support to build a new and improved station at MIT. The club maintains a consistent presence in 50-358 during semesters and IAP, often extending into the summer, with the exception of club trips. Members can also access a dedicated webpage displaying the last 30 days of door activity, updating every five minutes, while a public frame shows the current door status and recent activity.

Web Site Amateur Radio station from Ukraine Kharkov

A non-profit public service and educational amateur radio organization specializing in advanced and experimental microwave communications.

Amateur radio links to ui-view/aprs sites plus various other bits

The Central Texas DX & Contest Club (CTDXCC) is a group of Amateur Radio operators in the central Texas

Stryker 10 Meter Amateur Radio trasceivers, antennas and accessories manufacturer

The Highland Amateur Radio Association (HARA) centers itself in Hillsboro, Ohio.

This is the web site dedicated to all the Amateurs Radio, SWL and BCL looking for news and info, DX'ing and all about that, in italian

A group of local hams who operate nightly on simplex and discuss all sorts of topics

Demonstrates the design and functionality of _uLog_, a Windows-based logging application for amateur radio operators. The resource details its core purpose as an easy-to-use logbook, emphasizing its streamlined interface that provides only the basic fields necessary for efficient QSO entry. It positions _uLog_ as a practical alternative to more complex logging software, catering to operators who prefer simplicity and speed in their logging workflow without an abundance of advanced features. The application's utility is highlighted by its focus on fundamental logging tasks, distinguishing it from comprehensive contest loggers or DX cluster clients. While not explicitly comparing it to other specific software, the description implies its niche for everyday logging rather than specialized operating events. Its design philosophy prioritizes quick data input, making it suitable for casual operating or for those who desire a minimalist approach to maintaining their station log.

Ham radio activities, from satellite operations, eme communications, dxing and contesting, qsling and direction findings, are just some of ham radio exciting activities

First state amateur radio club

Amateur Radio Station OD5SK , Op.Samir Khayat Tripoli Lebanon

RSGB Emerging Technology Co-ordination Committee Web resource for UK amateur radio repeaters. This site gives details of Britain's amateur radio repeaters

River City Amateur Radio Communications Society

Singapore Amateur Radio Transmitting Society

C.A.R.L.A. is a growing network of repeaters providing coverage across Northern & Central California and Western Nevada. It is intended to be used as a reliable communications resource during significant local, regional and wide area incidents, and is open to all licensed amateur radio operators

Rules of CQ World Wide RTTY Contest. The CQ World Wide RTTY DX Contest take place last full week-end of September, inviting amateur radio operators globally to connect across various CQ zones and countries. Participants will operate on five designated bands: 3.5, 7, 14, 21, and 28 MHz, exchanging RST reports and zone numbers. Scoring is based on QSO points multiplied by zone, country, and QTH multipliers. The contest encourages innovation in operating strategies while adhering to established rules to ensure fair competition among entrants.