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CCARS. The NEW Face of Amateur Radio in Cleveland County.

The CQ WPX Contest website provides information about the international contest based on working all prefixes, with details on dates, rules, results, log submissions, online certificates, and log checking reports. Users can also access a searchable score database, rules FAQ, and follow updates on the blog and social media. The site is a valuable resource for amateur radio operators participating in the WPX Contest.

Central West Virginia Wireless Association

Article about isolation transformer construction to perform optimal impedance matching. Winding the FCP isolation transformer, includes interesting table for Winding Turns and Lengths and Core Configurations for T300 T200 T400 toroids

JTAlert provides several audio and Visual alerts for WSJT-X & JTDX software. JTAlert generate audio and visual alerts for several alert conditions, logs automatically to several ham radio log books software like hrd dxkeeper,log4om, interoperates with web services and it supports dxlab suite.

Beacon project by n8lgl Paul

Amateur radio speakers for modern amateur radio transceivers

A top band shortened vertical antenna project. This project includes drawing and MMANA-GAL output screens.

Station QRP presents various **circuit diagrams** for constructing low-power AM vacuum tube shortwave transmitters, catering to enthusiasts interested in vintage radio technology. The resource details schematics ranging from simple to more complex designs, enabling hams to build their own QRP AM transmitters for operation on frequencies like 6.925 kHz AM. It emphasizes the use of vacuum tubes, providing a technical foundation for understanding and replicating classic shortwave broadcasting methods. The content is geared towards those who enjoy the hands-on aspect of electronics and the unique characteristics of tube-based RF circuits. Building these transmitters allows operators to experience the nostalgia of early shortwave radio, with the site specifically mentioning a pioneer station on 6.925 kHz AM. The designs facilitate experimentation with low-power AM transmission, offering practical application for homebrew projects. The focus on QRP (low power) operation aligns with a segment of the amateur radio community that values efficiency and minimalist setups, providing a distinct alternative to modern solid-state transceivers.

The Internet Home of Amateur Radio Station WA5ICA Adventures with low power and a lower budget

AM Operation Using Power SDR with Flex and Other SDR Platforms

Designs, engineers and markets a unique line of mobile and fixed station RF communications antennas with a key focus on maximizing antenna value.

Ham radio and electronics radio blog from India

The Mother Lode DX / Contest Club welcomes all interested DXers and contesting fans, both casual and rabid, from throughout the Mother Lode region of California

Home of QSO the ham radio interview and talk show!

Xggcomms specialise in producing cost effective, high quality CAT and Audio interfaces for Icom and Yaesu Amateur Radio Equipment. Our interfaces are fully compatible with a large range of CAT and Digital Mode control software.

Indonesian Awards

Ham radio projects and experiments by AG1LE

GARS official web site. Our club is for those with an interest in Amateur Radio and Shortwave Listening in the Grimsby and Cleethorpes areas of North East Lincolnshire.

This article shows how to make a mains filter that can be extremely effective in reducing and in some cases eliminating completely EMC from the electricity supplying your shack

Delivering confidence to confront the most challenging microwave and RF designs. Spectrum Analyzers by Tektronix

The W6JWS 2-meter Repeater Maintenance and Repair Log documents the ongoing upkeep of a 146.745 MHz repeater, specifically addressing modifications to enhance its functionality. It details changes made to ensure the repeater powers up in _PL mode_ and to improve the reliability of touch-tone control, drawing comparisons to similar work performed on the AE6KE repeater. The log also notes a repair to a fused wire in the reverse battery protection circuit after an accidental polarity reversal, highlighting a temporary workaround where a wire was omitted but the system remained operational. The resource includes practical insights from Jeff Liebermann, AE6KS, regarding jumper configurations and programming, with accompanying photos. It provides access to several documents for the Icom RP-1510 repeater, including operating manuals and a schematic for the single logic board version, which differs from the dual-board configuration described in some printed manuals. The log mentions a specific modification to adjust the dropout delay, which was later deemed unnecessary, and references a related project for the AE6KE repeater, aiming to replicate successful modifications on the W6JWS machine, resulting in improved touch-tone reliability and proper PL mode activation.

Elements are aluminum TIG soldering rods 4.0mm of diameter, almost 1m long, these objects are light, thin and flexible based on the RZ9CJ Design

This project describes a DIY all band HF SDR transceiver. Built around a Softrock 6.3 kit, it boasts a 20W homebrew amplifier and ATmega168 microcontroller for USB control. An LCD displays frequency, power, and SWR. Automatic LPF selection and SWR protection enhance functionality. Compatible with Rocky and PowerSDR software, this project provides a cost-effective and powerful HF SDR transceiver for hobbyists.

COTA-RUSSIA Award

Restoring a 1965 Collins 618F-1A VHF aircraft radio. This radio was designed for light aircraft as an early frequency-synthesized radio built in 2 separate chassis.

Code Synthesizer for 2-way Radio Signaling works on Windows XP and Windows 7

In collaboration with Croatian Amateur Radio Association

Italian ham radio swap site for transceivers, test equipment and manuals

K7SFN personal page with some projects and pictures of his aerials

an overview, introduction or tutorial about the basics of electronics filters including the types of filter and the various filter design considerations and parameters

The TBJ-1 – a triband base antenna was published in March 2017 QST. This antenna covers 2M/220 MHz/70cm in one 6ft 3/4 inch PVC pipe and requires no radials.

Easiest possible tuning steps using a closed CW key, FM or AM tuning the Ameritron AL-811H

What do Hams do? by Victor Amateur Radio Association

All around HAM Radio - DL1BI Amateurfunk Station

Havis is specialized in radio mounts

In this wikihow article you can learn how to assemble a RG-6 cable with a SMA connector or a RG-59 with a BNC Connector

Beacon Reception at JN1SDD by SoftRock and Octave

Welcome to our line of Low Frequency, Natural Radio Research, Broadcast, Marine and Shortwave products. Our evolving product line is the result of our dedicated research efforts primarily in the areas of LF, VLF, MF, and HF.

New, used, & reconditioned electronic test & measurement equipment sales, rentals, & service. Agilent/HP Spectrum Analyzers, Tektronix Oscilloscopes, Fluke Calibrators, & much more.

The Newport County Radio Club (NCRC) serves as a central hub for amateur radio operators in Rhode Island, providing resources and activities for its members. The club maintains and operates two repeaters, W1SYE and W1AAD, which are critical infrastructure for local communications and emergency preparedness. These repeaters support various modes and are widely utilized by the amateur community for daily contacts and organized nets. The club's activities encompass a range of interests within the hobby, from general operating to specific technical pursuits. It offers opportunities for hams to engage in field operations, participate in contests, and develop their technical skills through shared knowledge and experience. The NCRC fosters a community environment where members can collaborate on projects and enhance their understanding of radio science. Membership provides access to club resources and participation in events, reinforcing the local amateur radio presence.

The page provides information on a simple 50MHz J-Pole Antenna project based on the DK7ZB design. It explains the principle of the Wireman-J-Pole, the feeding process, practical mounting, and simulation results using MMANA GAL. The content aims to guide amateur radio operators in building their own J-Pole antennas for the 6-meter band.

Stillwater, OK

Distributor of test and measurement and calibration instruments and provider of NIST traceable ISO/IEC 17025 accredited calibration services. Texso sells insulated tools, multimeters, insulation testers, and much more.

Stuff about amateur (ham) radio, with emphasis on VHF/UHF, QRP, portable and mountaintop operating.

Demonstrates the online presence of the West Island Amateur Radio Club (WIARC), a Canadian amateur radio organization. The resource presents fundamental club information, including contact details via an "info" email address. It also indicates the club's location within Quebec, Canada, and its focus on **ham radio** activities. The site's technical implementation notes its creation with **Arachnophilia 4.0**, a specific HTML editor. This resource, while minimal in content, serves as a digital point of contact for the WIARC. It confirms the club's existence and provides a channel for inquiries, which is typical for many local amateur radio clubs. The mention of a frame-compliant browser suggests an older web design, common for sites maintained over several years.

An homemade 50 Ohm 140 W dummy load based on an idea and project by ON5DB Renaud.