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K6ODV Six Meter KW Amplifier Designs

Computer Control and Soundcard Interface for the Icom IC 706

Article by Hal Myers K4JHM

Starting the season with us. Large indoor area plus tailgating

Aspiring radio amateurs in the United Kingdom preparing for their licensing examinations can utilize this resource, which offers mock exam questions covering the Foundation, Intermediate, and Advanced license levels. The site provides access to question pools, including associated images, designed for use with _Moodle_ learning management systems requiring PHP and MySQL. These question sets are available for non-commercial deployment by UK amateur radio clubs and organizations, facilitating local training initiatives. The original online mock test service ceased operations in August 2018 due to maintenance overhead. The current iteration serves as a repository, allowing other organizations to download the question databases. This approach enables broader access to the exam preparation material, supporting the UK amateur radio community in achieving licensing qualifications. The resource does not offer direct online testing but directs users to other sites, such as _Radio Tutor_, that implement these question banks.

Dipole, inverted V, full wave loop and grond plane antenna quick reference plans

Ham Radio ITU International Callsign Country Prefixes

Discussion group of amateur radio operators that operate ham radios from their bicycles.

TS-570 series specifications at universalradio

QST Magazine Product Reviews - Key Measurements Summary - HF-Transceivers or Receiver and Linear Amplifiers

Call Book Log 3.0 is a web-based logging solution for amateur radio operators, designed for self-hosting on a web server with MySQL/MariaDB and PHP 7+ support. It provides a mobile-friendly interface for viewing, adding, editing, deleting, backing up, and restoring QSO logs. The software features a streamlined setup process, allowing users to quickly deploy a personal logging system accessible via any web browser. Key functionalities include displaying the last **5** contact dates for previously worked stations, enhancing log management by providing immediate historical context during QSO entry. The system also includes a central administrative section for authenticated users to manage log entries. The 3.0 version represents a significant code overhaul, focusing on improved performance and a more *visually appealing* user experience compared to earlier iterations. Enhancements include better pagination, a redesigned menu with icons, and color-changing rows for improved readability. The add log page now incorporates a one-click time update feature, addressing user feedback regarding time synchronization during rapid QSO entry. This iteration builds upon previous versions like 2.1, which corrected an automatic _UTC date_ bug, and 2.0, which featured a full rewrite to resolve browser quirks and optimize search functions. The software's evolution demonstrates a commitment to functional stability and user interface refinement.

How to homemade a multi-band HF dipole using 100 meter of speaker wire, 2 strandsm including a homebrew 1:1 choke balun

A Slim Jim Antenna project

Guest house with acomodation for 3 more people in Uruguay

A comparative article on performance differences between Slim Jim antennas versus J-Pole antennas

Kenwood TS-590S features, accessories, specifications and details

My Ham Shack - Personal Ham Shack Web Pages - At MyHamShack you get a free personal web page for your shack - Your Shack. Your Ham Shack Pictures, Blogs and Projects.

Kenwood TS-480HX Resources at eham.net

Bencher Tech Notes: Selecting your next yagi

Amateur (Ham) Radio Practice Exams and Study Aids, as well as other content of interest to the Ham Radio community. Presented by Michael Burkhardt W8MHB.

Ham Radio Store based in UK Proprietor Robin C. Worsley G0MYR

Article on ham radio mobile operation from Andy D. Crouch N5NDD

All about amateur radio lincencing in India

Some Notes on the Slim Jim Antenna by Dave Coomber M0UXB

An online interactive grid square map made with openstreet map. Just point and click and zoom in to determine an accurate grid square locator till 10 digit resolution

Presents the Holy Cluster, a contemporary DX cluster service offering real-time amateur radio spot data. This platform integrates a dynamic graphical map to visualize current contacts, enhancing situational awareness for DXers and contesters. Developed by an Israeli group of developers and supported by the Israeli Association of Radio Communication (IARC), the Holy Cluster aggregates DX spots from various sources, including traditional telnet clusters, the Reverse Beacon Network (RBN), and PSK Reporter, providing a comprehensive view of band activity. The cluster's design emphasizes a user-friendly interface for monitoring DX activity across multiple bands, including dedicated support for JOTA (Jamboree On The Air) operations. Its aggregation capabilities allow operators to quickly identify propagation openings and active stations, streamlining the process of making two-way radio contacts. The integration of RBN and PSK Reporter data offers insights into propagation conditions and station reception reports, which can be invaluable for optimizing antenna direction and operating strategies.

Iphone App with list of nearby repeaters in the UK, along with details of input and output frequencies, a map, and a handy bearing arrow for each repeater.

Hamradio page with pictures and links

a website by vu2fd with theory lessons, details on rules and regulations and planty of homebrew projects for radio amateurs, java calculators.

iPhone Software to practice taking your Ham Radio Exam

Ham Radio Class Exam question pool effective 7/01/2010 thru 6/30/2014

Discussion at eham about wire size used in wire antennas, and how it affects the gain of the antenna

Francisc Grunberg, YO4PX, shares his insights and translations on various amateur radio topics through his blog. Content includes historical perspectives on ham radio, detailed accounts of _DXpeditions_, and discussions on ethical operating practices for DXing and contesting. The site also offers practical advice, such as suggestions for navigating pile-ups and improving contesting strategies. The blog delves into the intricacies of the hobby, providing guidance for operators aiming to improve their skills and understanding. It covers subjects like Codes of Conduct for amateur radio and lists the **most wanted DXCC entities**, offering a valuable resource for those pursuing awards. Francisc's contributions reflect his extensive experience, providing a unique perspective on the amateur radio landscape.

Beginners guide and introduction to get started in ham radio if you live in India

MyHamPlace is a online amateur radio shop based in China dealer for Heilsound, Elecraft, MFJ, Yaesu , Kenwood and other popula ham radio brands

A complete EmComm portable station article on eham.net by K9RFZ

The FieldComm Association, based in Central Virginia, operates as a specialized amateur radio club with a primary interest in emergency communications. Members engage in various technical aspects of radio, including digital modes, QRP operations, and DXing. The association provides a platform for hams to develop skills in field deployment and reliable communication under challenging conditions, often leveraging modern digital protocols. This organization's activities support the practical application of amateur radio for public service, emphasizing readiness and operational proficiency. Members collaborate on projects and share knowledge, fostering expertise in areas like portable station setup and efficient data transmission. The focus on emergency communications distinguishes its operational priorities from general interest clubs, aligning its efforts with community preparedness.

Graph of the frequency response of some of the legendary microphones favoured by radio hams

Presents the Amateur Radio on the International Space Station (ARISS) program, a global educational initiative facilitating direct communication between students and astronauts via amateur radio. It outlines the operational framework for scheduled school contacts, detailing the technical requirements for ground stations and the typical Q&A format used during these events. The program utilizes VHF/UHF frequencies for voice and packet radio communications, enabling students to engage with crew members aboard the ISS. ARISS supports various educational objectives, promoting STEM fields through hands-on radio experience. The resource provides information on how schools can apply for contacts, the selection process, and preparation guidelines. It also covers the history of amateur radio in space, including past missions and the evolution of equipment used on the ISS. Regular updates on contact opportunities, operational status, and technical specifications for ARISS hardware are provided.

A free small database program for Palm OS that allows you to log ham radio contacts. You can log the call sign, name, date, time and frequency of the contact.

Eham user's review on the Heathkit SB-200 HF amp

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.

N9TEW is supplier of vacuum tubes for ham,audio & antique radio purposes.

Monthly Amateur radio DX Peditions and Contest calendar at HamRadioWeb

Windows based programmer for the VX-170. Programming software for the yaesu VX-170

Irish ham and Vhf radio info. Logs and maps worked, no excuses, this is mainly a VHF site

A amateur radio guide to RFI, ferrites, baluns, and audio interfacing by K9YC

IARU Region 3 bandplan Revised 12 March 2019

Technical specification by Universal Radio

The G5RV junior Half Size antenna by kc8hps