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

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

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.

Inrad Roofing Filter installation instruction

Serving The Interests Of Amateur Radio For Over 70 Years

One of the oldest emergency traffic handling nets on amateur radio

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

Nuand id the maker of bladeRF - the USB 3.0 Superspeed Software Defined Radio, 300MHz - 3.8GHz RF frequency range Independent RX/TX 12-bit 40MSPS quadrature sampling

Whats new on ham radio with digital modes? DRMDV

Simple steps you can take to solve most problems caused by station equipment

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

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

An article comparing the Icom 7610 transceiver over The FlexRadio Flex 6400M

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

The Alpha-Delta group is a group dedicated 100% to DX Oncemetros in the band and can say that is 100% of Mexican origin.

A comprehensive and up to date log by F5GIT dedicated to the Ham radio hobby

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.

Manufacture remote control interfaces to manage several kind of ham radio transceivers, Antenna rotators and antenna switches. Control can be done using smartphone Apps or from Computers.

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

A blogspot blog about Software Defined Radio

H.A.R.A.O.A

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.

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.

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.

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

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

The Texas DX Society is an organization of radio amateurs in Houston, Texas who have a primary interest in DX chasing and contest operating on HF, VHF, and UHF.

Amateur Radio Ham E-Mail Callbook

Replacing filters on ICOM IC 775

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

A collection of ad Hoc empirical comments on VHF radio waves propagation by Pete Heins N6ZE

Loyalist city amateur radio club, inc.

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_.

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.

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

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

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

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.

Personal Ham Radio and CW Blog by SV2KBS Victoria

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.

French amateur radio blog

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

Military radio sets for land, sea or air from new current production, unused or rebuilt u. s. military surplus and their accessories and spare parts since 1946 your reliable one stop source.

Spanish amateur radio forum with classifieds

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