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Project for DXers and experimenters alike. An old article publishes by 73 Amateur Radio magazine in PDF format, where all the components required to build your own HF spectrum analyzer may be found in a well-stocked junk box.

SDR-Radio.com is a Windows console for Software Defined Radio (SDR) receivers and transceivers. Designed for the commercial, government, amateur radio and short-wave listener communities, the software provides a powerful interface for all SDR users

Amateur Radio in the Blackstone Valley area

Small, but growing, group of amateur radio enthusiasts, most of whom are within 90 miles (and more) of Atlanta

Articles about Amateur Radio, own writings and translations: history, DXpeditions, contesting and DXing ethics, Codes of Conduct, Suggestions for Pile-ups, Suggestions for Contesters, the most wanted DXCC entities.

The Voice of Idaho Amateur Radio Club Website. News and information from Treasure Valley and surrounding area

For radio amateurs seeking to identify or verify callsigns from Bosnia and Herzegovina, an online callbook service offers a direct search utility. This resource focuses exclusively on the _T9_ prefix, allowing users to input a specific callsign and query a dedicated database. It serves as a historical reference for contacts made prior to its last update. The utility provides a straightforward interface for callsign lookups, presenting results based on data compiled up to _July 31, 2000_. While the information is static and not current, it remains useful for confirming older contacts or for historical research within the amateur radio community. The service is maintained by _Boris Knezovic, T93Y_, offering a focused resource for this specific geographic region.

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

Chinese Taipei Amateur Radio League

VE1FQ, has a long history dating back to 1932 and may be the oldest Amateur Radio club in Canada.

A mail list for those interested in the new Amateur Radio MFSK modes.

A QRP association of amateur radio operators based in Sardinia Island Italy

Fort Walton Beach FL

MARC is dedicated to providing safe and reliable two-way radio communications for selected charity events in their respective regions

The Amateur radio Association of Bloomington (ARAB) holds its meeting on the first Tuesday of each month

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

HSMM Experiments on the 6M Amateur radio Band

Egyptian Radio Amateurs Assembly

This resource examines the appropriate use of /M (mobile) and /P (portable) suffixes in amateur radio callsigns, specifically within the context of the UK Amateur Radio Licence. It addresses common ambiguities and challenges in determining operational status, such as operating from a summit or while walking. The discussion references the licence version in force before February 21, 2024, noting that while current regulations recommend but do not specify suffix use, the prior definitions remain relevant for understanding common practice. The content dissects key sections of the licence, including "Notes to the licence" (d)(i-iii) which outlines /A, /P, and /M usage based on location, and "Temporary Location" (jj) which defines /P operations. It also clarifies "Mobile" (17(1)(x)) as operating in or on a vehicle, on a pedestrian, or on a vessel on inland waters. The author provides examples and recommendations for choosing between /M and /P when both might apply, such as when operating from a parked car with a deployed mast or using a handheld on a summit. Historical notes from M1MAJ, G8ADD, and G6MZX are included, tracing the evolution of suffix rules from pre-BR68 days to the 1977 licence version. These historical perspectives highlight how past regulations have influenced current interpretations and persistent myths regarding /M usage. The resource emphasizes making an informed choice based on the licence and communicating the station's operational circumstances clearly.

Here's a tale of early '70s vacuum tubes, mainly from the viewpoint of amateur radio.

A nice post on Make: on homebrewing a multiband antenna for amateur radio portable operations

A fully equipped amateur radio mobile radio shack by VE6AB

Transverters-Store is a online shop for low cost transverter boards, but also QRP transceivers, Active antennas, RF bridge and probes, Mic equalizers and other amateur radio accessories

McMinn County Amateur Radio Club, Inc. (MCARC) Club Callsign KF4CFO.

The Anchorage Amateur Radio Club is the largest amateur radio organization in Alaska with over 340 members.

We are the premier Amateur Radio Club in the Edinburgh area, since our formation in 1984 we have done much to raise the profile of our hobby in the area.

Kingston Amateur Radio Club Articles Dave Lawrence, VA3ORP

Xenia, Ohio Ham radio club, formed because of the Tornado of 1974.

Supplying over 2000 different vacuum tube types, valves, grid caps, sockets and capacitors. It is easy for Antique collectors, Ham radio operators, audio enthusiasts, broadcast enthusiasts and amateur radio hobbyists to buy, sell and trade vacuum tubes, electron tubes, audio tubes, valves, grid caps, sockets and capacitors

Kennewick, Pasco Richland

The WaveNode WN-1 is a precision, full-featured Amateur Radio Station Monitoring System which now includes Audio Announcing for RF power, SWR, and DC monitoring using HF and UHF remote sensors.

Site dedicated to amateur radio astronomy, providing information on Earth-Moon-Earth (EME) communication, the Search for Extra-Terrestrial Intelligence

Supplier of two-way radio products and accessories to large and small businesses, volunteer groups, radio amateurs and individuals. Transceivers, receivers, antennas cw keys based in London UK

Amateur Radio Association Bahrain

Amateur radio accesories, power supplies, electronic parts, antenna controllers and antennas manufacturer based in Spain

Polski Zwiazek Krotkofalowcow, Polish Amateur Radio Union

vk2aac amateur radio station web pages

DK0WCY transmits 24 hours per day on 10144 kHz in the 30 meter amateur radio band. QTH in Scheggerott JO44VQ

A social club consisting of Amateur Radio Operators and interested persons who share interest in radio, pleasure marine and technical activities.

Come with us and enjoy our voice chat from Chicago, spanish and english.

The MRAC is one of the oldest amateur radio clubs in the world, having been incorporated in 1917 and affiliated with ARRL

Located in Port Richey, Florida in Pasco County, West Central Florida just Northwest of Tampa.

The Lake Monroe Amateur Radio Society serves Seminole County and Central Florida, operating two 2 meter repeaters on 147.285 +600 and on 146.805 -600

Amateur Radio Sales from North Central Texas

Serving the south Kansas city metropolitan area, Grandview, MO

New Zealand Amateur Radio 70, 32 & 23 cm (UHF) Repeaters

Cambridge, Ohio

Amateur Radio pictures to add Interest to your Website. Jpeg, GIF and Animated GIF files available to download.