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This page describes some repair tasks related to the Kenwood TS-440 transceiver.

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

An homemade antenna tuner project that should be small, easy to build and cheap. This automatic antenna tuner can work as locale or as remote. The tuner has EEPROM memory for store settings for faster tunning and four interfaces

Australian website about APRS

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

Programming software for the Yaesu FT-60(R)

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

How to receive automatically NOAA wather satellite images with a Raspberry Pi and a RTL SDR. This project requires a Raspberry Pi 3 Model B a common NooElec SDR Dongle and a QFH Antenna in the attic. Article explains how to setup and configure software but no instructions on antenna.

Ten-Tec Pegasus reviews aka Jupiter

Rotation-Shift Keying description, imlementation and test results. Orthogonal BPSK, Twist Modulation, Moon Bounce

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

A 144MHz FM class C RF Power Amplifier based on a 2N6084 RF transistor, that can produce 50w output max

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

RTTY Contests HF and Sprint

Reportage of the CQWW CW contest in 1998, with full history of the event and photos of equipment used.

X7 antenna pictures during installation and report on first contacts.

Contesting, IOTA, DXPeditions, DX, and much more.....worth a click!

Icom IC 756 Pro 3 English User Manual in a PDF file

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

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.

CW Keyer Kit with capacitive touch paddle, with a lot of nice features. Easily expandable to a Morse code decoder

Kenwood Portable SSTV device

This Frequency Counter Development Kit is fully functional with the included pre-programmed microprocessor

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

Personal web page with links

Just a single page describing my self as long some others interesting links.

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.

A very informative review of the Icom IC-7300 direct RF sampling transceiver, including audio samples, recordings and a comparison vs the Elecraft KX3

An article about the Rybakov 806 Vertical antenna. The classic Rybakov configuration is a 7.6m or 8m ( aprox 25 or 26 feet) wire fed through a 4:1 UNUN

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

A blogspot blog about Software Defined Radio

Connecting a Yaesu MD-100 dynamic desktop mic to the Kenwood TS-850

Homebrew CW notch filter project by KN9B

FCC Amateur Licensing > Renewing a License in the USA

Fox Telemetry Decoder Software is a free telemetry software that run on Windows MacOSX and Linux. With Fox Telem will be able to track, store and analyze FOX series and Cubesat satellites

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.

Yaesu VX-8DR/DE received APRS beacons map based on Google Maps. The application parses Chirp's .img files and shows the QTH of the incoming APRS messages.

A stepper switch controller made with arduino by N3OX

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.