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Portuguese Antenna dealer, offer also HF Converter Kit for the SDR Fun Cube Dongle and RTL SDR sticks

Amateur Radio Sales from North Central Texas

Restoration and sale of quality antique radios that work, backed by professional testing, restoration, and warranty. vintage hi-fi included.

Air conditioning soft copper tubes are perfect for loop construction. If you want to try a loop you must have an air variable capacitor or a vacuum variable capacitor. Article by PY1AHD

TSC International produces soft magnetic sheet steel, custom-stamped and heat-treated to achieve optimal electrical characteristics for applications such as motors, generators, linear power supplies, and ballasts. The company's manufacturing process focuses on precise material engineering to meet specific performance requirements in various electrical systems. They also specialize in soft magnetic core materials essential for transformers, chokes, and inductors. These core materials are utilized in power supplies, lighting ballasts, signal conditioning circuits, inverters, and battery chargers, providing critical magnetic properties for efficient energy conversion and signal integrity. Located at 39105 Magnetics Blvd, Wadsworth, IL 60083-0399, TSC International provides contact via sales@tscinternational.com or phone at +1 (0) 847 249 4900, facilitating direct inquiries regarding their magnetic component offerings.

Alexander The Great AWARD from Northern Greece Contest Team

Pmr, tetra ,ricetrasmittenti, ponti radio,motorola,icom,kenwood,pmr dealer in italy

Homepage for SND Tube Sales

"Home page of Slovenian Amateur Radio Club ""Slovenija"" - S51SLO"

Approximately 190–209 words of content are available, including previously unreleased **radio intercepts** from the Russian army during the Battle for Kyiv, with confirmed authenticity. The platform provides extensive news coverage, video reports, and analytical content focusing on Ukraine and international affairs, frequently publishing exclusive materials. Recent articles cover topics such as emergency power outages in Kyiv, discussions on Iran's nuclear program, and Belgium's policy regarding temporary protection for children born after Russia's full-scale invasion. The site also features in-depth investigations into Russian military losses, the political isolation of Hungary within the EU, and mental health advice for coping with wartime stress. Timely updates are provided throughout the day, detailing events such as drone incidents in Lithuania and proposed restrictions on military personnel's access to gambling in Ukraine. The platform offers a variety of multimedia content, including video and photo reports on events like the double explosion in Bucha and search operations for victims of the Volyn tragedy. Editorial selections delve into topics such as parliamentary elections in Slovenia, internal political conflicts in Ukraine, and the export of Ukrainian drones to the Middle East, alongside historical analyses and opinion pieces from various contributors, often featuring expert commentary and reader engagement. The content is primarily focused on current events and geopolitical analysis, with a strong emphasis on the **Ukrainian conflict**.

Lot's of vintage radios from 30's

On line shop in Greece for amateur radio products, electronics, DAB Radio and GPS. Dealer for popular amateur radio brands, heil sound, kenwood, MFJ and more

Monthly Amateur radio DX Peditions and Contest calendar at HamRadioWeb

"KC2DVQ ""CB Os Piratas"""

Amateur Radio dealer based in Japan

Home page for DXpeditions to Arctic areas!

This article describes the details of the design, which can be easily scaled for just about any HF band. The antenna described in this article is for the 20 meters band.

Axel TELECOM was established in 1992 to provide communication solutions for businesses in Romania. Kenwood dealer

Batteries dealer in USA

Women Radio Operators of New England was established in 1955. WRONE is an amateur radio club for female radio operators living in the six New England states

The _ISS Detector_ Android application, with over 5 million downloads, offers precise predictions for visible passes of the International Space Station. It notifies users minutes before an overhead pass, integrating local weather conditions to ensure optimal viewing opportunities. The core functionality focuses on the ISS, but in-app purchases extend its capabilities to track other celestial and artificial objects. Optional extensions, available via in-app purchase, allow users to monitor dozens of amateur radio and weather satellites, providing real-time transmitter information and Doppler frequencies. Additional extensions cover _Starlink_ satellites, the _Hubble Space Telescope_, rocket stages, bright satellites, comets, and planets, expanding the scope beyond the ISS to a broader range of observable space phenomena. The app's interface is designed for ease of use, displaying pass times, directions, and elevation. It adapts predictions based on the user's GPS location, ensuring accurate local forecasts. The latest update, dated April 3, 2026, includes corrections for magnitude values and various speed and stability optimizations.

Constructing a high-power 70cm solid-state amplifier presents unique challenges, particularly when aiming for 500 watts output using modern LDMOS devices. This resource details the author's experience building a 70cm amplifier based on a _Freescale MRFE6VP5600H_ transistor, initially from an RFHAM kit. It meticulously outlines the necessary modifications to achieve advertised performance, including optimizing input and output matching, correcting bias circuitry, and ensuring proper output balun connections for stability. The author shares specific adjustments, such as trimming the prototyping board for better transistor fit, drilling additional mounting holes for improved heat sinking, and replacing original matching capacitors with a single _20pf MIN02 metal mica_ for superior output. A critical fix involved jumpering gate decoupling pads to balance the push-pull transistor halves, which increased output to 580W and improved IMD. The resource also highlights a crucial correction to the output balun connection, initially reversed in the _Dubus_ article schematic, which resolved intermittent stability issues. Test results are provided, showing input power, output power, and drain current at 50V, demonstrating the amplifier's performance after modifications. This practical account offers valuable insights for hams undertaking similar high-power UHF amplifier projects, especially those working with LDMOS devices and kit-based constructions.

A test and comparison of real attenuation of N-type connectors and PL-259 connectors on UHF bands, domonstrating that connectors are almost equivalent.

Solar panels, solar and wind home power systems, pre-wired power panels. Wholesale prices for everybody. Free solar design.

A simple charger designed for charging 12 V sealed lead acid batteries, used by radio amateurs for portable operation Amp-Hr Class used by radio amateurs for portable/emergency operation.

The mark 2 Crossfield Antenna was described in Sprat 76 by Alec, GD3HQR

Wrexham is in North Wale's and our club is open to all radio fans

Dealer for Kenwood, Icom, Yaesu, Intek, Midland.

About DRM, the DRM standard, emission types, upfrading your old HF RX to DRM

A few pictures of an homebrew magnetic loop RTX antenna project, working from 30 to 12 meters with excellent results

Automatic 144MHz E-skip Alerts for North America

Amateur radio installation services and products for sale. Tower erection services, shack setup, antenna installation

Comitato Regionale Veneto della Federazione Italiana CB - Servizio Emergenza Radio.

Reconditioned CDE & HyGain Rotators

Ham radio shop in South Salem, NY, dealer for Alinco, LDG, Cable X-perts, Jetstream and several antenna types and makers

A solar powered station by IN3AQK using a 10W solar panel charging a 12v Pb sealed battery.

Trio Datacom, Dolectek and Yaesu Vertex Standard cb and ham radio dealer in new zealand

Bonito, butel wavecom and bogger products dealer. Accessories to decode encode and process radio communication transmissions for Radio Receivers, Transceivers and Scanners

Ham radio dealer IELLE elettronica

Vapex Tech offers over **150 different battery products** tailored for diverse applications, including specific models for Icom, Kenwood, and Yaesu handheld transceivers. The product catalog details specifications for NiMH, LiPo, and LiFePO4 chemistries, providing crucial data on voltage, capacity, and discharge rates. Customers can browse by application, such as _Airsoft Batteries_ or _Model Control Batteries_, or directly by consumer battery types like AA and AAA cells. The resource presents a structured e-commerce platform where users can filter products by category, view detailed item descriptions, and proceed with online purchases. Each product listing includes high-resolution images and key technical parameters, enabling informed selection for specific radio equipment. Operational hours are clearly stated as 9am-5pm Mon-Fri and 9am-12pm Sat, with contact information including a sales email and phone number for direct inquiries. The site also features a "Latest News" section, indicating ongoing updates regarding product availability or company information.

Telecomunications import export, ham radio dealer based in Belgium for MicroHam, MFJ, LDG, ICOM Yaesu and other ham radio brands

Boatanchors in Russia. Old tube radiosets.

Ham radio dealer. Antennas, connectors, books, maps baluns and spare antenna components

Provide for the short wave listener, amateurs, local commercial community and business with a wide range of radio based services and products. Icom dealer

Electroswitch Electronic Products specializes in the design and manufacture of various switch types, including rotary, toggle, pushbutton, and rocker switches, as well as encoders and indicator lights. The company provides commercial and MIL-spec compliant components, detailing features such as spring return, push/pull to turn, adjustable stop, concentric shaft, and keylock configurations for their rotary switch lines. Specific product series like the M5-series enclosed frame rotary switches are highlighted, demonstrating their engineering capabilities. The resource offers a Rotary Switch Configurator to assist customers in selecting appropriate components based on application requirements. It categorizes switches by construction, such as enclosed frame, open frame, military grade, sealed, subminiature, blade, and power options for rotary switches. Toggle switches are presented in miniature, full-size, military grade, and sealed variants, while pushbutton switches include ultra-miniature, miniature, standard, and sealed types. Further product details cover rocker switches in subminiature, miniature, and sealed configurations, alongside thumb switches. Encoder offerings include magnetic and mechanical types with options like concentric shafts and push-to-turn functionality. Indicator lights are available for both commercial rectangular panel mount and MIL-spec applications, featuring configurations such as Press-to-Test, Watertight, EMI Shielded, and Dimmable options.

Pileup simulator for for the existing and future DX-pedition operators, and for those who are curious how it feels to manage a pileup.

German vacuum tubes dealer

This is the home page of the Brazilian ham radio PY1WAS, Alex. Essa a home page do radioamador brasileiro PY1WAS, Alex.

Greetins from Gran Canaria, Canary Island, includes many information and video about digital modes, in spanish