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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.

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.

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

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

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 Historical content, such as information from _Field Day 2008_, is also referenced.

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.

Replacing filters on ICOM IC 775

Loyalist city amateur radio club, inc.

A page describing all element of a weather statio for NOAA weather satellite image reception

A tribute to off-shore radio stations

This processor controlled autoranging sniffer has become popular for vehicle based foxhunting in Australia

Transferring Radio Frequency Energy from Your Transmitter to Your Antenna by Don Keith N4KC

Dedicated to providing superior FM repeater service to Amateurs in the Washington, D.C. Metropolitan area.

Taken from April 1935 issue of QST page 60 where there is a short article on the origin of 73

A very popular method of making a short dipoles resonate at a given frequency. This type of antenna is suitable for single band, narrow bandwidth use.

About the clemens match system

Using the raspberry Pi for amateur radio operations with digital mode decoding and log book program

Introduction to NVIS antenna and NVIS propagation. A simple NVIS antenna can be constructed as shown in this article

A page dedicated to servicing and building a 10 meter band moxon Antenna

By AYR Ham Radio Club

This article describes the development of two tunable antennas each consisting of three interconnected small loops and capable of providing excellent DX performance. The aerials are home-constructed, and located in a very small garden with a minimum of visual impact on the neighbours and are low enough in height to avoid the attention of UK planning authorities.

Construction of 28 MHz to 144 MHz Transmitting and Receiving Converter by KP4MD

IOTA from Island

The Las Vegas Radio Amateur Club operates the K7UGE repeaters on 146.94 and and 448.500. Repeater is located on top of the Las Vegas Hilton Hotel & Casino, the UHF repeater is located on top of the Tropicana Hotel & Casino.

The Shortwave Radio Audio Archive is a collection of shortwave radio recordings in both the form of a podcast and blog with embedded audio. The collection grows every day and includes both historic and modern day shortwave radio audio recordings

Located 30 miles south of Gothenburg, Sweden

It has been 40 years since the VHF-UHF Quagi antenna--a combination of the desirable features of a Yagi and a cubical quad--was developed and the design was first published in the newsletter of the Southern California VHF Club, a forerunner of today's Western States Weak Signal Society.

Learn the new, natural way: Have a novel of your choice spelled out in English letter by letter. Letters and numbers gradually get replaced by Morse code.

Fundamentals of operating on single sideband

Building an omnidirectionnal antenna for the 23 cm band

WA9ORC - Chicago Illinois

The Wireless Society of Southern Maine is a ham radio club serving the Portland, Westbrook, Gorham, and Scarborough, areas in Southern Maine.

A dipole can be broadbanded by a number of techniques including by matching with resonant sections of transmission feed lines.

San diego dx club

N4KGL review of the Elecraft KX3 transceiver based on first experiences in portable operations.

A PTT switch from Home Depot parts

The Flight of the Lockheed Martin ARC Amateur Radio Balloon Repeater

This Antenna project is a bit more complex than other omni antennas for satellite use, but it is much easier and cheaper than a standard tower mounted circular polarized azimuth and elevation rotating beam system.

An article that explain with simple concepts and basic theory the correct usage of antenna tuners. It covers some aspects of common questions newcomers have on what antenna tuners are for, and what antenna tuners will never do.

Extension of the Kenwood TS-590S Programmable Function by CT7AEZ

Providing real-time weather spotter reports for the following counties: Delaware, Fairfield, Fayette, Franklin, Hocking, Licking, Madison, Pickaway, Ross and Union.

The Central Scotland FM Group has provided and is responsible for maintaining many of the repeaters now operating in West, South-West, Central and East Scotland.

The CQ World Wide DX Contest records document top scores, with the Multi-Multi SSB category showing CN8WW achieving **78,170,508 points** in 2000. These records span from 1948 to 2025, categorizing results by region, operating class (e.g., Single Operator High Power, Low Power, QRP, Assisted), and specific bands like 10M, 15M, 20M, 40M, 80M, and 160M. For instance, EF8R (E77DX) holds the All-Band High Power SSB record with **25,747,775 points** in 2025. Each entry includes the callsign (with operator callsign in parentheses for guest ops), year of operation, and total score. The _CQ WW DX Contest_ also features records for the RTTY and VHF contests, alongside the main SSB and CW categories. QRP records demonstrate significant achievements, such as P40W (W2GD) with 5,097,780 points in the All-Band SSB QRP category in 2000. Multi-Two and Multi-Single categories are also detailed, providing a comprehensive overview of competitive performance.

This simple beverage ntenna is easy to make, easy to setup, and it offers great RX performance.