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An interesting article on choosing the right battery when operating in portable mode, considering charging time and modes, weight and size.

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

Chicago's oldest and best amateur radio club

Radio Amateur organisation of Flanders in Belgium.

Garland Amateur Radio Club (GARC) K5QHD Garland, Texas

An excel spreadsheet that in a really simple way checks how much to trim your antenna elements. Download the xls file and watch the presentation video include in this page

The InterCity Amateur Radio Club welcomes you to Mansfield, Ohio.

About basics of the horn antenna used for many rf microwave antenna applications.

First pictures and links for the Kenwood TS-990S HF and 50 Mhz transceiver releases in May 2012

Pacific Division of the American Radio Relay League

Layman level explanations of "seemingly" mysterious LF MF and HF propagation occurrences.

Manually programming D-Star handheld transceivers like the _Icom ID-51A_ and _ID-31A_ can be a straightforward process, enabling operators to configure repeaters, simplex frequencies, and D-Star specific settings without relying on computer software. This method is particularly useful for field operations or when quick adjustments are needed, allowing hams to set up callsign routing, DR mode, and reflector links directly from the radio's interface. Understanding the menu structure and key sequences is crucial for efficient on-the-fly programming. Operators often find manual programming invaluable for activating new D-Star repeaters encountered during travel or for participating in local nets where specific G2 or G3 gateway configurations are required. While software like _CS-51_ offers convenience for bulk programming, the ability to manually input frequencies and D-Star parameters ensures operational flexibility. This approach also helps hams troubleshoot connectivity issues by verifying individual settings directly on the transceiver, ensuring proper D-Star registration and gateway access.

Steel City Amateur Radio Club Pittsburgh

Online websdr receiver based in Rome Italy provides a nice user web interface and receiver most of the amateur radio HF bands

Live audio of the National Hurricane Center’s Skywarn Nets. This live feed covers several different states, and locations throughout the US including: TX, LA, MS, AL, FL, GA, SC, NC, VA, MD, DE, PA, NJ, NY, CT, RI, MA, VT, and ME

Amateur radio, one of the older clubs of``the UK. Meets on friday nights. links to ATV.

Anoka County Radio Club and Emergency Services

Local Amateur Radio Club for the City of Mount Vernon, Knox County and surrounding areas.

German antenna manufacturer, produces VHF and UHF antennas for amateur radio use

Vintage radio equipment and memorabilia 1910 - 1950

Demonstrates a range of specialized radio frequency equipment and consulting services for amateur and professional applications. The offerings include _Vector-Finder_ direction finding antennas, various test equipment such as _gate dip meters_ and RF sniffers, and communications receiving adjuncts. Additionally, the company produces satellite antennas for weather satellite reception, voice amplification devices like the _Flex-Mike_, and custom prototype circuit boards. The company's product line addresses needs for precise RF measurement, signal detection, and specialized antenna systems, particularly for direction finding and satellite communications. Their historical association with National Radio (HRO) suggests a legacy in radio technology. The site also highlights a subsidiary, Sierra Mountain Products, which offers outdoor recreational gear, indicating a diversification beyond core RF manufacturing.

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**.

WA3KEY Virtual Collins Radio Museum. A complete resource for Collins Radio users, collectors and restorers.

Autocode makes a selection of fine morse code identifiers for commercial and amateur radio applications.

ECARA is a non-profit organization dedicated to the public service and promotion of amateur radio, and is affilated with the American Radio Relay League.

Hong Kong Amateur Radio Transmitting Society

Ham radio shop in Hanstholm Denmark

A freeware windows antenna design and modelling software developed by an amateur radio operators primarily intended for VHF yagi aerials.

Fla keys amateur radio club - kb4gcz

SWR is Finland's first private shortwave station.

Blue Mountains Amateur Radio Club located in the Blue Mountains west of Sydney. Resources and Information for members and all radio amateurs.

The CWJF CW Club website is a resource for Morse code radio enthusiasts in Juiz de Fora, Brazil. It provides information about the club, its activities, and contact details for those interested in joining. The site also includes news updates and event announcements for members and visitors.

Discussion groups for Shortwave Listening, Propagation, Amateur Radio, and related topics.

Based in Virginia USA, offer repearing services for amateur radio equipment and related accessories

Pazin Croatia

Experimenterende Danske Radioamatoerer

Products and books for the radio hobbist. Antennas, Coax cables, filters,Lightning Protection, Wire & Cable, Books

The range and coverage of your VHF transceiver will be limited to your radio horizon. How to calculate the visual horizon and how to determine the Radio Horizon

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

Ham Radio cartoons of common situations

Otsego County amateur radio association

USA

Home of Charleston Amateur Radio Society

The Ellis County Amateur Radio Club is in Ellis County, located in North Central Texas just south of Dallas.

Accessories, Antennas and Battery chargers. Radiators, Repeaters, Yagi, Mag, Car, Tetra, Marine, Multiband, Brackets, Mounting accessories, cables and connectors, radiokits, special cables etc. Based in Finland

Club Russian Robinson for amateurs interested in radio communication from polar stations, islands and maritime mobile objects RRC founded in 1993. Goals are consolidation of radio amateurs, operating now or operated in the past on islands, drift-ice research, arctic and marine stations, signing their personal callsigns or as participants of DX-peditions.

"Located at Nellis Airforce Base-Las Vegas, Nevada USA. Nellis RAC is a progressive radio club. Providing licensing classes, on-air code study group, vhf/uhf repeaters, emergency and public service communications, ""Aviation Nation"" Airshow Special Event Station N7V"

Receive and listen to FM and AM radio broadcasts on your browser or ChromeBook using an RTL2832U-based USB digital TV tuner.