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Studio 1 is a Paid windows SDR software defined radio application, supports Tmate and Tmate2 USB control consoles, for better tuning and control.

Antennas and operating note on 160 meters

Real-time dashboard with 3000km optimal working & maximum usable frequency as well as maximum NVIS frequency; all for your internet access location.

Independent non-profit-making federation that try to act as the link between the listeners and the free radio stations

Amateur Radio organization specializing in VHF, UHF, and microwave communications.

W5KUB Broadcasting live video and audio from ARRL National Convention (Dayton Hamvention)

Key facts about how to solder, how to solder wire, how to solder pcb's, and including general soldering techniques and the best ways of making good solder joints for electronic circuits and construction. Includes video

A simplified Guide to the FT8. Dxpedition mode. By Stefano IK2HKT – Rel. 2.0.0 - January 2019. This document explains how to configure WSJT to work on F/H mode DXPedtions, how to operate and make a call to a dxpedition calling CQ in FT8 Fox Mode.

Batterytech supplies NiMH, NiCd, and Li-ion battery packs, chargers, and analyzers, catering to a range of portable electronic devices including Ham Radio handheld transceivers. The product line supports popular amateur radio brands such as _Kenwood_, _Icom_, and _Yaesu_, providing power solutions for their portable models. Offerings extend to batteries for CB radios, scanners, and other two-way communication equipment, ensuring operators can maintain field operations. The inventory includes specific battery eliminators and replacement packs designed to meet the power requirements of various handheld radios. Customers can find suitable power accessories for digital cameras, PDAs, and cellular phones, alongside specialized batteries for Nextel radios. The focus is on providing reliable power sources for critical portable electronics.

DXpedition by Jorge/OA4BHY, Rene/DL2JRM, Bodo/DL3OCH, Daniel/DL5YWM

This wiki is intended to help identify radio signals through example sounds and waterfall images. Most signals are received and recorded using a software defined radio

Article on RTL SDR dongles to receive UHF VHF ham radio bands

Windows signal function generator sotfware, offers 4 main channels, 4 modulators, 1 measurement generator, 1 frequency standard generator, Amplitude, phase and frequency modulation, can generates real band-limited signals

SCRRBA is a volunteer organization providing coordination of a number of heavily utilized amateur radio frequency bands in Southern California.

UPU list of countries that sell International Reply Coupons

Our goal is to provide the Highest Quality Products and Competent Technical Services at very competitive rates to the Telecommunications and Recreational Industries.

The radio voice of Canada broadcasts daily programs in French, English, Spanish, Arabic, Chinese, Russian and Ukrainian, on shortwaves, satellite and via RealAudio.

Domino is the name given by the developers to a family of IFK coded coherent phase single tone MFSK keyed modes, using sequential tone-pairs in two alternate fields arranged as orthogonal but interleaved tone sets.

SCCARA was formed as a general interest amateur radio club in 1921 and became a non-profit corporation in 1947.

9600 Baud modification on the Kenwood TM441 by ON6MU

ex 9q5hx, s79hx, 4l1hx, 4k1hx, 4j0/ik2bhx, j3/k2bhx, 4u0g, operator at IR4T, J3A, 4U1ITU, 4U1UN

A very brief introduction to microwaves, by Thomas D. Williams, Ph.D., radio amateur WA1MBA

British Amateur Television Club (BATC) web site.

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.

Examines JPS Communications' product offerings, focusing on their contributions to Radio over IP (RoIP) and Push-to-Talk over Cellular (PoC) technologies. The resource details how JPS solutions enhance Land Mobile Radio (LMR) capabilities by providing secure and cost-effective methods for communication expansion and interoperability. It highlights the company's 30-year history in developing infrastructure to make communication systems more versatile, secure, and robust, addressing critical needs in various operational environments. The content specifically outlines JPS gateways that bridge traditional radio systems with PoC solutions, facilitating seamless communication across disparate technologies. It also describes multiple approaches for expanding LMR coverage beyond conventional system limitations. The information presented underscores the practical application of these technologies in achieving communications interoperability, irrespective of the underlying systems or protocols, aiming to improve operational efficiency and safety.

Simulation of the Konni Antennen 5 Element for 50 MHz

Is a group who enjoy gathering together to practice the hobby of Amateur Radio.

SARA is a volunteer club dedicated to furthering the advancements of Amateur Radio

Yaesu vx-8r prototype quad-bander on display at the 2008 dayton hamvention. Youtube video

Presents Eagle Stainless Tube & Fabrication as a certified distributor specializing in various tubing products essential for antenna construction and other amateur radio projects. It details their offerings, which include aluminum tubes in fractional, metric, and heavy wall specifications, alongside stainless steel bar stock in round, square, and flat profiles. The resource highlights the availability of a diameter sizing chart and direct contact options for specialists, indicating a focus on providing specific material dimensions and expert support for custom fabrication needs. The company emphasizes its role as a supplier of raw materials, crucial for hams engaged in DIY antenna builds or structural components for their shacks. Their inventory supports the precise mechanical requirements often encountered in radio frequency engineering, where material strength, weight, and corrosion resistance are critical design factors for outdoor installations. The site primarily serves as a product catalog and contact point for sourcing specialized metal tubing and bar stock, providing technical specifications and material grades relevant to robust amateur radio infrastructure.

Developing a protection plan against lightning

Learn quadrature modulation through interactive flash programs. These programs will allow you to learn about quadrature modulation and quadrature demodulation without getting overwhelmed by math.

Approximately 2.8% annual decline in Australian amateur radio licenses was observed over the five years leading up to 2002, a trend that prompted further analysis of the country's amateur population. This resource examines licensing statistics and demographic shifts within the Australian amateur radio community between 1998 and 2007, utilizing available data to identify patterns in license issuance and renewal. The study focuses on **population trends** and the underlying factors contributing to changes in the number of active **amateur radio operators**. It provides insights into the health and growth trajectory of the hobby in Australia during this specific period. Understanding these demographic shifts is crucial for clubs, regulatory bodies, and equipment manufacturers to adapt strategies and foster engagement.

Learn how to operate abroad and get you licence valid and recognized in many countries

SWL DX bulletins in spanish

Offering transient voltage surge suppressor, TVSS, patch cables, surge arresters, surge protectors for lightning and power surge protection for electrical equipment, IT networks, communication systems, data lines, relay systems and solid state controllers.

Online Log 9U4U

Excellent article and guide to choose the best RF power amplifier that fit your needs by ON4SKY

CAARA, an ARRL affiliated club, operates the 2 meter W1GLO repeater on 145.130 MHz

York Region Amateur Radio Club, one of Canada's largest

The Pikes Peak FM Association is a nonprofit, amateur radio VHF/UHF group which operates and maintains VHF and UHF communications facilities serving the Colorado Springs and Pikes Peak region.

Radio for Peace International (RFPI) is a Global Community Radio Station located in Costa Rica, Central America that broadcasts progressive news on shortwave radio and the internet on topics of Peace, Human Rights and the Environment. RFPI gives a voice to the voiceless by promoting democratic communication.

A project with schematic to build a receiver for 80 meters band by VK1PK

Solar Power for Your Ham Station, It is Easier Than You Think QST article April 96 by KE0OG via Repeater-Builider.com

Provide an educational and recreational organization whose purpose is to support the Home Port Alliance in providing technical expertise, skills and volunteer manning.

Presents a construction project for a 1:1 current balun, specifically detailing the _Sorbie Balun and Bottle Choke_ design. The resource outlines the winding technique, employing 4+4 turns of mini coaxial cable on a large ferrite core, and provides insights into the physical assembly. It includes specific material recommendations, such as the type of ferrite and coaxial cable, crucial for achieving the desired impedance transformation and common-mode current suppression. The content covers the practical steps involved in building the balun, from preparing the coaxial cable to securing the windings on the ferrite toroid. It also discusses the integration of the balun into an antenna system, emphasizing its role in maintaining pattern integrity and reducing RF interference in the shack. The resource offers a clear, step-by-step approach, making the project accessible for homebrewers. Illustrations and photographs accompany the text, visually guiding the builder through each stage of construction. The article concludes with performance expectations and considerations for deployment, ensuring the constructed balun functions effectively across the intended frequency range.

Forum thread about the Yaesu VX-170 at trainorders.com

This article describe the principles of baluns when referred to devices used to balance unbalanced systems, like a coax cable and a dipole antenna

Wikipedia page about amateur radio spectrum assigned to the amateur radio service