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The Hermes-Lite is a low-cost direct down/up conversion software defined amateur radio HF transceiver based on a broadband modem chip and the Hermes SDR project. It is entirely open source and open hardware, including the tools used for design and fabrication files. Over 300 Hermes-Lite 2.0 units have been successfully built.

Presents the W9VT Tri-Town Radio Club, an ARRL-affiliated organization serving the Illinois amateur radio community. The club maintains a 2-meter repeater on 147.180 MHz (+600 kHz offset, 107.2 Hz CTCSS) and a 70-centimeter repeater on 444.825 MHz (+5 MHz offset, 107.2 Hz CTCSS), both located in Woodridge, IL. Regular meetings are held on the second Tuesday of each month at 7:00 PM at the Woodridge Public Library, focusing on technical discussions, operating practices, and community service. The club participates in Field Day, supports local public service events, and offers licensing classes for Technician, General, and Extra class examinations. Members engage in various amateur radio activities, including DXing, contesting, and digital modes, fostering skill development among hams. The club's repeater infrastructure provides reliable local communication for members and supports emergency preparedness efforts within DuPage County. Participation in ARRL-sponsored events like the Simulated Emergency Test (SET) and various operating awards promotes active engagement and technical proficiency. The club provides a platform for mentorship, allowing experienced operators to guide newer hams through licensing and operational aspects.

A General-Interest ARRL Affiliate Operating Open Repeaters in Canon City, Colorado

LARK Livingston county michigan

The Morris Radio Club, established over 50 years ago, is a general interest club that promotes all Amateur Radio activities.

The David Sarnoff Radio Club is a general-interest amateur radio club serving the Greater Princeton, NJ area.

The Maple Valley Amateur Radio Club (MVARC), an ARRL Affiliate club, is a group of amateur radio enthusiasts in the greater Maple Valley area who meet and engage in activities to further the advancement of this hobby for the good of ourselves and the community.

Bridgewater MA USA

The Milpitas Amateur Radio and Electronics Society was formed in 2000 and incorporated in 2002 The club is independent from but supports two volunteer emergency communications organizations: Milpitas Amateur Radio Emergency Services (ARES) and the Milpitas City Radio Amateur Civil Emergency Services (RACES) groups.

Evaluates the **LDG Z100 autotuner**, a device designed to automatically match antenna impedance for optimal transmission efficiency. The review discusses its performance in comparison to the MFJ-902, noting that while the Z100 is a reliable autotuner, it does not match the range of impedances that the MFJ-902 can handle. The Z100 is suitable for operators seeking a 100-watt autotuner that covers HF bands, providing a practical solution for those who require automatic tuning without manual adjustments. The review highlights the Z100's operational context, focusing on its use in HF bands and its practical application in amateur radio setups. While it offers a straightforward tuning process, the Z100's limitations in impedance matching are noted, making it less versatile than some competitors. This comparison provides valuable insights for operators considering an upgrade or replacement for their current autotuner. The Z100's performance is positioned within the broader market of autotuners, offering a clear perspective on its strengths and weaknesses in real-world amateur radio operations.

The club focuses on ham radio not only as a hobby, but also as a community service.

Welcome to the w0mr website, 3m club of st. paul, mn, amateur radio club

This is a neat little adapter that allows the use of a cell phone type Headset with your Amateur Radio.

The TVRA is a organization that supports our hobby of amateur radio.

This group is for any Amateur Radio Televison Enthusiast. From 70Cms - 13Cms and above.

The JTRG is an active club affiliated with the American Radio Relay League (ARRL). and dedicated to further the art of amateur radio communication, serve the public, and promote high standards in amateur radio.

Peanut is a free Digital radio client Android App. The App requires a manual registration with the author and allow to chat in proprietary rooms or to connect room linked to DSTAR amateur radio repeaters worldwide. A central Peanut dashboard with current system activity is also available.

Southern Michigan Amateur Radio Society Battle Creek,Michigan

SWR or VSWR - the most widely known yet most misunderstood terms in Amateur Radio. Article by GW6ITJ

Amateur radio club of anderson

Simi Settlers Amateur Radio Club Simi Valley, California USA

Dedicated to the art of Ham Radio, enhancing individual operational and technical skills as well as providing communications during local and national emergencies. Located on the Kenai Peninsula in South Central Alaska.

The Jackson Hole Area Amateur Radio Club is based in Jackson Hole, Wyoming. The Club has members throughout Jackson Hole and includes ham radio operators in the Star Valley areas of Wyoming and the Teton Valley in Idaho.

A really simple project to make a power meter measuring RF output powers from a few mW up to half a watt. A DIY amateur radio project for QRP enthusiasts

Providing amateur radio 144 MHz & 440 MHz repeaters in the state of Oregon

Info about Amateur Radio and emergency info weather related.

Welcome to the Northern Berkshire Amateur Radio Club website.

Friendly Club that offers club nights, full licence training and social events for Radiop fans in the South London area

UTARC amateur radio club

The onslow amateur radio club provides this web site as a public service to all radio amateurs within jacksonville, onslow county, and the surrounding areas in north carolina.

Serving The Interests Of Amateur Radio For Over 70 Years

One of the oldest emergency traffic handling nets on amateur radio

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

The Brandon Amateur Radio Society serves the ham radio community in eastern Hillsborough County Florida.

Offer EcloLink node to the ham community

This dynamic DX Map aggregates various resources that will help radio amateurs to operate their stations in search of long distance contacts, DX. HamDXMap displays current MUF values and foF2 critical frequency values around the globe.

All about VHF, UHF, SHF amateur radio communication in Russia

Describes Atlantic Tower Services (ATS), a company specializing in antenna tower erection and maintenance, operating from Orlando, Florida. ATS offers a range of services including site maintenance, structural repairs, system modifications, and complete tower installations for various communication needs. The company emphasizes its capability to handle diverse tower projects, from routine inspections to complex upgrades, ensuring structural integrity and optimal performance for amateur radio and commercial installations. ATS focuses on delivering reliable infrastructure solutions, supporting the backbone of communication systems. Their service portfolio covers critical aspects of tower ownership, addressing both preventative care and reactive solutions for existing structures. They are equipped to manage projects involving different tower types and heights, adhering to safety standards and operational best practices. Services include **site maintenance** and _structural modifications_.

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.

A blogspot blog about Software Defined Radio

H.A.R.A.O.A

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

Demonstrates the complete design and development process for a **Low Noise Microwave Amplifier** (LNA), beginning with conceptual design and progressing through prototyping. The tutorial series covers the initial stages of a single-ended first gain stage, focusing on critical parameters such as noise figure, gain, and stability. It systematically details the theoretical underpinnings and practical considerations for achieving optimal performance in microwave frequency applications. This resource provides a structured approach to LNA construction, enabling radio amateurs and RF engineers to understand the iterative steps involved in realizing high-performance receive-side amplification. It offers insights into component selection, impedance matching networks, and the measurement techniques required to validate design specifications, particularly for **microwave** band operation where noise performance is paramount.