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In this article WB8NUT review the most popular amateur radio related digital mode software for windows and MacOSX

Demonstrates the construction of a high-power 6-meter (50 MHz) amplifier, specifically designed for demanding modes like EME, TEP, and multiskip Es. It details the use of a _GU-43B_ tetrode in a grounded-cathode configuration, emphasizing the need for stabilized grid voltage and input capacitance compensation. The resource provides a comprehensive schematic, power supply design, and practical considerations for component sourcing, particularly for high-voltage and high-current sections. The builder achieved an output power of **1250 watts** with an anode current of 0.65 amperes and 3200 volts anode voltage. The article also covers the physical construction within a modified P6-31 enclosure, outlining the internal layout for RF and power supply sections, and includes photos of the completed unit. It highlights critical safety precautions for working with high voltages and reactive currents up to **20 Amperes** in the P-network.

The Order of Boiled Owls of New York (OBONY) serves as a dedicated hub for amateur radio operators passionate about contesting and DXing. Founded to promote skill development and camaraderie within the competitive ham radio sphere, OBONY members actively participate in major domestic and international contests, striving for top scores and _DXCC_ achievements. The club provides a platform for exchanging operational strategies, technical insights, and logging practices, which are crucial for success in high-stakes events. OBONY's focus extends to fostering a vibrant community where both seasoned contesters and newer operators can learn and grow. They emphasize the importance of ethical operating practices and technical proficiency, contributing to the overall advancement of the amateur radio hobby. Members frequently achieve impressive results, with many logging **thousands of QSOs** during major events and consistently placing well in various categories.

Siteul Radioclubului QSO Banat Timisoara YO2KQT ham station

The Ak-Sar-Ben Amateur Radio Club, Inc. of Omaha, Nebraska is a local club comprised of licensed amateur radio operators, also known as “hams”.

Ham radio club in Bryan Texas

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.

QSO Parties held around the area. Details about making the most of the many QSO Parties. A place where planning information, operating details and technical advantages are discussed

Family friendly Ham Radio Club

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.

Memorial Radio Club - K9YA. On-air code practice nets and publisher of the K9YA Telegrah - a FREE ham radio e-zine.

Teaching the foundation, intermediate and advanced licences.

SV2BXC Personal Amateur radio Web Page

EU-EW HAM radio regions map by ew2eo

A yearly contest calendar with most interesting amateur radio contests and QSO parties collected by Carolina DX Association

Presents the full owner's manual for the _Drake R-4C_ communications receiver, specifically a late version edition. This resource outlines the comprehensive operational instructions, covering everything from initial setup and tuning to advanced features and controls. Hams can reference detailed diagrams and explanations for proper signal reception across various amateur bands. The manual includes critical information for alignment procedures, ensuring the receiver performs to its optimal specifications. It details the steps required for calibrating the internal circuitry, which is essential for maintaining sensitivity and selectivity over time. My experience with vintage Drake gear confirms the value of these original documents for accurate adjustments. Furthermore, the document provides insights into troubleshooting common issues and performing routine maintenance. It serves as an authoritative guide for anyone operating or servicing this classic piece of amateur radio equipment, helping to preserve its functionality for years of DXing and ragchewing.

DTMF Keypad for radios without one. A project with picture and schematic diagrams to homemade a DTMF keppad

An excellent guide on choosing external audio equalizers by K3DAV

A satirical look at the world of ham radio DXing and contesting. Not for those without a sense of humor or irony

Founded in 1976, the Aroostook Amateur Radio Association was organized to foster support for those people interested in the hobby of Amateur radio.

MaraOnline.org, the online home of the Mid-South Amateur Radio Association, which has provided service and training since 1939

This resource indicates that the specific page detailing the RockMite QRPp Rig CW transceiver project, previously hosted by WY3A on QSL.net, is currently inaccessible. The QSL.net platform, which provides free web hosting services to over 30,000 amateur radio operators and organizations, confirms the file or page no longer exists. Users are advised to attempt direct contact with the website owner or utilize an internet search to locate the content. The platform's error message clarifies that QSL.net support cannot assist in finding individual missing pages due to the decentralized maintenance of its numerous hosted sites. It encourages reporting any missing files related to the QSL.net main site itself. Donations are encouraged to support the free email and web services provided to the amateur radio community.

Personal page from Russian amateur radio station RW3FX

A blog about ham radio. A blog dedicated to cool stuff like ham radio, birdwatching and bus timetables

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.

German Amateur Radio Station DO8ER / DN7ML - DOK H05 Celle DARC / Wettersonden Hankensbüttel Germany (JO52HR)

Jefferson County Amateur Radio Club - Arnold, Mo

The QSL Managers Society is a platform where quality QSL managers come together to pool their resources and offer their services to DX and DXpeditions seeking a reliable QSL manager. Membership requirements include a commitment to the 'QSL Manager's Creed'. If you are a QSL manager or aspiring to become one, you can join the society by agreeing to the creed. The society is based in Tuckerton, NJ, USA, and aims to connect QSL managers with those in need of their services in the amateur radio community.

Amateur radio contesting website - the motueka contest club zl1v

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.

Hoosier Hills Radio club

The I2YSB DXpedition Team presents a collection of videos documenting their past DXpedition activities. These visual records offer insights into the operational aspects, equipment deployed, and environmental conditions encountered during various DXpedition events. The resource also contains a specific announcement regarding the cancellation of the planned Ghana AF-084 DXpedition, originally scheduled for April. It further details the refund process for sponsors who had contributed donations for the cancelled operation. The content serves as an archive of DXpedition experiences, showcasing the efforts involved in activating rare or challenging entities. It provides a historical perspective on the team's operations and logistical considerations. The site also functions as a communication channel for important updates concerning future or cancelled DXpedition plans, directly addressing the amateur radio community interested in their activities.

Ham radio in Steyr Austria

The Yavapai Amateur Radio Club was established on July 18, 1991. That was the day the bylaws were accepted by a handful of area hams.

D-Start site sponsored by Icom Uk

Ham Radio Club in Wales UK

Wood County Amateur Radio Club (WCARC) serving Northwest Ohio. Meeting information, newsletter, repeater list, and resources for Hams in Northwest Ohio.

Ham radio VHF UHF antennas, aircraft, scanners, marine vhf antennas

Six Steps for Programming your IC-2100H from the front panel of radio. Using these steps you should have no trouble entering either simplex or repeater frequencies and saving them.

Stamford Amateur Radio Association Repeater Club. Located in Stamford, Connecticut.

Ham radio club of Catalunya Spain Portal de la Radioaficio de Catalunya

RSGB article for beginners. How to build a dipole antenna, construction tips and correct setup of inverted-ve dipole antennas

Blog related to ham radio t-shirt and accessory designs

Article based on ROHN engineering specification that will guide on proper guying heights and guy lengths when guying ham radio antenna masts. It will help you determine ahead of time the proper length of guy wires and the distance from the base of the mast to the anchor points

A review of the HF ham radio bands, considere by far the most popular bands in the amateur service. HF bands offer local QSOs and world-wide propagation are all possible at almost anytime with careful selection of the right frequency for the time of day, time of year, and current state of the sunspot cycle.

In order to determine total distance that a transmission may be received by two elevated antennas, we must add together the radio horizon distance of both antennas.

Located in the northern San Francisco bay area

Ham radio station from Poland

A diverse club of amateur radio operators from around Kentucky's Bullitt and Jefferson county areas.