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Amateur radio loop antenna project using a Comet CVBA-500BC vacuum variable capacitor.

W7GJ 50 MHz EME DXpedition July 12 - July 28, 2014

Have you been looking for an easy way to measure power or SWR at 1296 MHz? One thing is certain, it is not easy - simply because the normal range of SWR meters that most of us have is not up to 1300 MHz.

Article about the microstrip patch antennas, and in particular the rectangular, single-polarization microstrip antennas, commonly abbreviated MSA.

Aeronautical communications products, radio communications, weather systems

How test transistors and diodes with a simple digital multimeter.

The Vacuum Tube Page with a lot of stuff about tubes

The 3Y0K website is the official platform for the Bouvet Island DXpedition scheduled for February 2026. It serves as a comprehensive resource for amateur radio operators, providing essential information about the expedition, including updates on operations, band availability, and communication modes such as FT8 and CW. The site aims to keep the amateur radio community informed about the expedition's progress and activities, encouraging participation and support. Users can find details on how to donate to the expedition and contact information for inquiries, as well as links to social media for real-time updates and community engagement. In addition to operational details, the 3Y0K site offers various resources for those interested in DXpeditions. It highlights the significance of Bouvet Island as a rare DXCC entity and outlines the logistical challenges faced by the team. The website is designed to be user-friendly, featuring a clear layout that allows visitors to navigate easily through the information. Overall, the 3Y0K website is a valuable resource for amateur radio operators looking to engage with the Bouvet Island DXpedition and enhance their understanding of amateur radio operations.

Liberia 2011 5M2TT DX Pedition Official web site

While there are quite a few standalone Morse Code or CW decoders out there, I wanted to tackle the problem myself and end up with both a great Arduino learning project and a decent portable decoder for when I'm out in the field operating QRP

The WhereAVR is a small, lightweight, low-power, and low-cost APRS tracker with a full compliment of analog and digital I/O, as well as the ability to decode ax.25 packets. This allows for the reception of remote commands without the need for a real TNC.

Replacement high voltage metering resistors procedure

This is a compact three transistor regenerative general coverage receiver with fixed feedback. The sensitivity and selectivity is relative good, especially on the LF and MW bands, as can be expected with this simple design.

West Fire and Police - Live Audio Feed Virginia

Antennas for the 1296 MHz based on the construction plans of some Yagis 35 elements by DL6WU, F9FT, DJ9YW. These antennas features a boom of about 3 m and gives a gain of about 17.8 dBd

Manufacturer of resistors, dials, encoders, inductors, potentiometers and switches.

Source for stock and custom cases, equipment cases, military and shipping cases

Online antenna calculator for homemade double biquad antenna for UMTS 3G 4G WiMAX WiFi frequencies. Article includes also a simple biquad antenna for 4g

Description and online calculator for Log Periodic Dipole Arrays LPDA are directional antennas featuring a relatively constant characteristics across a wide frequency range.

The Pickens County Communications Group are volunteers for the Pickens County Emergency Management Agency in Pickens, S.C. and members of R.A.C.E.S.-Radio Amateur Civil Emergency Service, with the South Carolina State Guard. We are not a club. We are a group of amateurs radio enthusiasts with similar interests, dedicated in providing emergency communications for public service, public safety, and commercial communications for local agencies. We also provide Skywarn communications for Pickens County and the National Weather Service in Greer, S.C.

Portuguese Amateur Radio Station with personal info and logs.

You can upload your adif-file It then checks the qso for specified band and if a maidenhead locator is specified. It then builds an array and plot a graph.

Our goal is to provide helpful and useful information to Ham Radio Beginners so you can get started as soon as you want to enjoy the amateur radio hobby.

Weblog from Florence Italy, with personal infos and updates on his ham radio activity

This site is established by a group of ham members who wish to see the interests of amateur radio in Malaysia protected.

Article on common Classification of Spy Numbers stations.

A Shielded Low Frequency Loop Antenna, allows Simultaneous Transmission and Reception at the Same Site.

The Sandy Amateur Radio Club was organized on September 25, 2014. It is open to any and all licensed amateur radio operators and anyone who is interested in the hobby

Ultimax antennas manufacturer of amateur radio End-Fed and bazooka antennas made in USA

manufacturer of passive electronic components, emerged from Philips Electronics Components, ceramic capacitors, resistors, fuses, varistors

What are the Differences between UV5R and UV82 Series

This article is about replacing the LCD display in a Icom IC-756 classic. The displays in these radios have not been supported by Icom in several years.

Broadcast listenening radio magazine in spanish

Shore Points Amateur Radio Club of Southern New Jersey, Atlantic County, NJ

Simon Saunders' Blog, from UK

An Hentenna project for the six meters band. The standard size of standard hentenna is width 1/6 wavelength x height 1/2. The antenna build in this project is a full wavelenght antenna for the 50 MHz providing a 6.8 dbi gain.

SMCC Amateur Radio Club - K9ONA

Global wholesale distributor and manufacturer of communication equipment, including CODAN products

The purpose of this construction is to enable the realization of an HF antenna called W3DZZ with minimal equipment and low cost. It allows traffic on the bands 3.5 / 7/14/21 and 28MHz.

Hytera, a leading designer and manufacturer of professional mobile radio communication equipment, offers complete and customized communication solutions to government, public security, utility, transportation, enterprise & business for higher organizational efficiency.

This magnetic loop DIY site is ment to be an introduction into making DX high quality magnetic loop antennas that will beat any dipole

The Primary N6OCS Repeater is located at 5700 feet on Santiago Peak in the Santa Ana mountains.

Tait Digital Mobile Radio (DMR) is an affordable digital communications platform that delivers a range of workforce efficiencies and operational benefits for mission critical users.

A web site dedicated to HamNet in New Zealand

Austin Hams - Your Ham Class Headquarters for Bell, Hays, Travis, and Williamson Co.

Icom PW-1 1kw Linear Amplifier described by WA0SXV

Ham Radio personal web site

Stand Alone Software Defined Radio, direct sampling receiver from 30 kHz to 1700.00MHz continuous frequency range, LAN interface for remote access

Introduction to operating on microwave bands at VKFAQ

Radioamadorismo ,amador, ciência, comunicação, rádio, hooby, experiências from Brazil by PY3AB