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Amateur projects to investigate radiowave propagation - G3PLX's chirp project, ionosonde database, and more

Offer EcloLink node to the ham community

Cheap but effective multiband quad antenna covering the entire horizon on 10-12-15-17-20m bands.

Windows PC control program for the Icom IC-7300 transceiver. Power-on and Power-off by software BktNetInterface for JTDX and WSJT-X, audio recording, memory management, cw keyer management, Interface for other software

A Picaxe Morse Code keyer project with source code and links to useful resources by K6ACJ

A blogspot blog about Software Defined Radio

W7VJD Lewis-Clark Amateur Radio Club is located in the Lewis-Clark Valley on the borders of Idaho and Washington. LCARC also provides emergency communcation support.

H.A.R.A.O.A

The Somerset County Amateur Radio Club is an ARRL, ARES, and RACES affiliated club.

The Tri-County CW Amateur Radio Club, operating under the callsign _W3TCW_, is situated in North Huntingdon, Pennsylvania, just southeast of Pittsburgh. This organization extends an open invitation to all licensed amateur radio operators, regardless of age or experience level, to participate in its activities and community. The club maintains a web presence detailing various aspects of its operations, including a calendar of events, a member roster, and contact information. It also provides resources related to _VE Testing_ and links to other local clubs and the _ARRL_ section website. Historical content, such as information from _Field Day 2008_, is also referenced.

Portage amateur radio club, amateur radio emergency service,ares.

Loyalist city amateur radio club, inc.

Replacing filters on ICOM IC 775

An overview of the basics of the horn antenna used in RF microwave applications.

Some test circuits using the ACE-HF System Simulation & Visualization software, about reciprocal propagation on HF bands by NW7US

One of the oldest amateur radio clubs in Canada, the E.K.A.R.C. is a very active community member, participating in a number of events each year.

Dedicated to CB radio promotion in Portugal.

The Radio Operators Association of Dallas (ROADS) Club exist to promote interest in amateur radio communication and experimentation, fostering of education in electronic communications as it applies to amateur radio, development of individual efficiency, cooperation among members. and furtherance of the public welfare.

A tribute to off-shore radio stations

The Holiday City Amateur Radio Club (HCARC) invites all hams or prospective hams to join our club. We are an ARRL affiliated club and have members eager to help others to achieve licensing or to up-grade their present license privileges.

KC0DMH's **amateur radio homepage** provides a personal insight into the station and activities of Jonathan and Sara Imberi. The resource details the relocation of their online presence from QSL.net to a privately funded server, citing increasing site size and traffic volume as the primary reasons for the move. This transition indicates a commitment to maintaining a robust online presence for their ham radio endeavors. The site's move to **ham-shack.com** reflects a common progression for popular amateur radio personal pages, where growth necessitates dedicated hosting beyond free services. The call for donations suggests an effort to sustain the operational costs associated with a private server, ensuring continued availability of their content. This evolution highlights the dynamic nature of personal ham radio web presences and the community support often involved.

Yaesu Vertex VX-170 FM 2 meter handheld specifications by Universal Radio

Broadcasting week-end from 09:00 utc - 16:00 UTC in English - Trucker Radio , Transport Radio each week day day 08:00 - 10:00 UTC in Dutch

Serving Greater Waterbury

Professional CB Radio Repair. Have repaired CB Radios and 10 Meter Radios for over 30 years

First started in the early 80's by a small group of Hams that resided in Cle Elum, Washington.

A Comparison of most popular Amateur Radio Digital Voice Systems DMR D-Star System Fusion presented by W9HPX Roland at the Charlotte Digital Radio Group in a comprehensive article about Digital Voice

A general interest amateur radio club where all hams are welcome

Transferring Radio Frequency Energy from Your Transmitter to Your Antenna by Don Keith N4KC

This resource compiles claimed scores, often referred to as "rumor scores," for numerous amateur radio contests, providing a historical snapshot of competitive activity from 1993 through 2007. It lists entries for prominent events such as _CQWW CW_, _ARRL Sweepstakes_, _IOTA Contest_, and various _NAQP_ events, categorized by year and contest. Each entry typically includes the contest name and the month/year of operation, allowing users to quickly navigate to specific contest periods. The site also references the _3830 Web Page_ on Contesting.com as the primary submission portal for these claimed scores. The collection offers a unique perspective on contest participation and performance trends over more than a decade, preceding the widespread adoption of real-time score reporting systems. While not official results, these rumor scores provided early indications of top performers and overall activity levels for a wide array of HF and some VHF contests, including _ARRL 10M_ and _CQWW VHF_. The historical data can be useful for analyzing past contest popularity, identifying consistently strong operators, or simply reminiscing about earlier competitive eras in amateur radio.

The Ontario Science Centre Amateur Radio Club (OSCARC) provides volunteer support to the Amateur Radio (ham radio) demonstration station at the Ontario Science Centre in Toronto, Canada.

Website about Midcoast Maine's Pen Bay Amateur Radio Club, W1PBR.

Summary, tutorial about the basics of what is a waveguide and the basic waveguide theory.

The Giles Amateur Radio Association, Inc., located in Giles County Virginia was founded on May 10th 1992

The Easton Amateur Radio Society's web site Easton, Maryland

This webpage allows you to create custom QSL cards (confirmation of radio contact) as PDFs for printing. You can personalize them with images and information. The cards are standard size (5.5" x 3.5") but can be adjusted slightly for easier printing on regular paper. You'll need Adobe Acrobat Reader to view the PDFs. There's also an option to create a free account to save your information for future cards.

An ARRL special club service

Listen to live radio scanner feed of Dallas Police 1 Central - 2 North East

A non-profit organisation devoted to the preservation of early radio equipment and associated historical information.

A very popular method of making a short dipoles resonate at a given frequency. This type of antenna is suitable for single band, narrow bandwidth use.

Antenna gain and directivity explained in this article at radio electronics antenna pages

In italian language, ham radio tales

Home page of the Siskiyou County Amateur Radio Association located in northern California; Club Call Sign is K6SIS.

SIARC is not for profit corporation located in Ontario County, N.Y