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Check out these vintage QSL cards from the 20th Century in this gallery of old QSL cards.

Kendall Amateur Radio Society (KARS) offers ham radio activities and fellowship to ham radio operators in Boerne, Tx, the hill country and NW San Antonio.

Our club has been setting the pace for Amateur Radio in Cleveland County and Shelby for over 50 years.

Het weblog voor zendamateurs uit regio 04 Amsterdam - The weblog for hamradio from region04 Amsterdam

Ham Radio posts of general interest.

The club was founded in 1987 when a group of ham operators hauled radio gear, antennas, and a generator to the island by boat to operate portable during ARRL Field Day

An ARRL Special Services Club. The Grant Amateur Radio Club was founded in 1988 for ham radio operators in Brown County and other surrounding counties. It was named for President U.S. Grant whose boyhood home was in Georgetown, Ohio. The club was started to provide a place for local area ham radio operators and their families to meet and enjoy the things they have in common -- amateur radio in all of its forms.

An introduction to NPR by Daniel Estevez. In this blog article Daniel EA4GPZ / M0HXM, introduce the new IP communication protocol over the 70 cm amateur radio band. Daniel is an experienced operator on IP on 430 MHz with CC1101 and Beaglebone black project and makes a good comparison of the two projects.

Unlike older radios, the 706 uses only one crystal oscillator (called the Master Oscillator). All other frequencies in the radio (L.O., 3-4 I.F. stages, VFO, and CW-offset) are computer-derived from the Master Oscillator. This makes it relatively simple to frequency-align the radio, so that it agrees with the Frequency Display in all modes.

Personal web site by Joe PS8ET an active amateur radio operator from Brazil very active both on HF bands and on Ham Radio Satellites.

Article about accessing repeaters, how repeaterss works, and properly using an amateur radio repeater

Compact Digital Mode USB Interface. DigiLink Nano is a very compact digital mode Ham Radio interface to connect your rig to a computer or tablet and run virtually any digital mode like PSK31, RTTY, FT-4/FT-8/JT-9/JT-65, Olivia etc.

The National Amateur Radio Society of the Commonwealth of Dominica

Scottish ham radio society

Swiss flora and fauna award

OpenHamClock is a modern, open-source dashboard for amateur radio operators, designed as a web-based successor to the original HamClock. Deployable locally on a Raspberry Pi or via the cloud, it centralizes essential DX operations into a single, intuitive interface. At its core is an interactive world map that visualizes real-time DX spots, signal paths, satellite tracking, and POTA activators. The software seamlessly integrates critical tools like WSJT-X, DX Cluster, and PSKReporter for monitoring digital traffic. Additionally, it provides vital environmental data, including real-time space weather indices, solar activity, and personalized HF propagation predictions. With customizable themes and a modular architecture, OpenHamClock offers modern operators comprehensive, at-a-glance situational awareness of global radio conditions

Ham radio, amateur radio, satellite communication, radio, radios,antenna, antenna design, yagi, cross yagi, power divider, splitter, Brisbane.

Wireless Society of Southern Maine Projects, instructions and photos for many ham radio projects and experiments, including antenna construction and modelling, kit building, station setup, restoration and more

I wanted to mount an amateur radio antenna on my truck that was more permanent than the magnetic mount on I already had, but I had a few specific design requirements for the project.

Ham radio stuff, scanner and shortwave topics at KE6ZGP blog

Fast growing Amateur Radio Club with many varied interests, Two time Canadian Field Day champions. We welcome new Amateurs and especially those wanting to become Amateurs, we have one of the best instructors in the lower mainland and 3 volunteer examiners

This site is about K6FI experiences with Ham Radio, Antenna's and various other techie toys dealing with the hobby.

Kay County Amateur Radio Club Incorporated in the State of Oklahoma Jan. 1960 W5HZZ

High quality RF coax cables designed for ham radio use featuring high efficiency screening attenuation and transfer impedance.

The website for VA3XPR is intended to provide users with information about the VA3XPR repeater, plus news and information related to ham radio digital voice communications.

The Internet has changed our lives. Nowadays it is possible to remotely control your Ham Radio station via the Internet.

How to set new squelch values on Baofeng HT Radios by using the CHIRP software. Make sure you save the original configuration before editing squelch levels. Edit at your own risk.

Ham radio blog by KU7PDX Chris Arnesen

A web site with many articles on ham radio homebrewing and electronics by HB9TWS

The South Milwaukee Amateur Radio Club is an ARRL general-purpose affiliated club with Hams from all interest groups

Midway Electronics supplies the area with electronic components, wire, cables, amateur radio transceivers, QRP kits, CB transceivers, GMRS radios, Shortwave radios, power supplies, antennas, coax, connector and ham radio accessories

A HF power amplifier with a push-pull of AFT09MS015N. The (small-signal) gain of the amplifier is around 26 dB in the lower HF band and goes down to about 24 dB on the higher end and still around 21 dB at 50 MHz. Its input matching is relatively good at the lower HF and degrades above 10 MHz.

One of the most popular amateur radio dx news web site. Includes Ham Radio News, DX News, DX Peditions, everything bout DX and DXing.

A Radio Society of Great Britain affiliated Club

YL Ham radio clun

Showcasing college amateur radio club activities, events, and projects. Informs visitors of up to date news items pertaining to ham radio technology used on campuses by students, faculty, and staff. A way for alumni to be informed of their clubs activities.

QSO Relay is a Windows desktop application that listens for contacts being forwarded from WSJT-X/JT65-HF and JTAlertX and write to Ham Radio Deluxe Logbook v6.x database

Amateur radio dealer and on-line shop of major ham radio market brands, established in 1990, based in Poland.

how I learned to stop worrying and love the magic smoke

Volunteer group registered by the ARRL/VEC that conduct FCC amateur radio license examinations in Yokohama.

Malcom Technical Support Radio Electronics Repair, ICOM Authorized Service Center, also service 1988 and newer Kenwood HF/VHF/UHF transceivers based in Toledo, WA USA

Frequency coordinations on BC Canada

The Camb-Hams are an informal group of Cambridgeshire Radio Hams.

Ham Radio & technology for people with disabilities

South Dakota Hams. The Pierre Amateur Radio Club homepage.

The Trident Amateur Radio Club was formed in April 1973.

Orchard City ham radio club in Kelowna, BC Canada

Thames valley repeater group homepage. information about the group, its activities and its four amatuer radio repeaters in the thames valley area

The ICOM IC 7300 SDR radio has a very nice receiver for ham bands, but outside these bands the reception is not 100% reliable. This is due to the ADC aliasing phenomena of SDR receivers.