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HRO offers a variety of amateur radio products for sale, including transceivers, antennas, and accessories. Users can browse products by category or search for specific items. The site also features promotions and discounts on selected items.

50 MHz 1500 Watt Russian GS35B amplifier. Well documented. Complete construction details,pictures,schematics, and more.

Plans, photos, electrical and mechanical design for this HF Log periodic antenna.

Well documented Amateur Radio HF/VHF antenna projects, high power Russian GS35B RF amplifiers, mobile RFI solutions, related accessories, vintage radios, Six meter equipment, and useful techniques by K8CU are inside.

An easy to make HF low pass filter form high power

Solves antenna matching problem with two phased antennas. Stacked rotary beams are popular. However, connecting two 50 Ohm antennas together presents some problems.

A freeware apple Macintosh-based program that helps amateur radio contesters by converting a log from a radio contest into the Cabrillo file format which may be submitted to the contest sponsor.

Homebrew VNA capable of both transmission and reflection measurements from 0.05 to 60 MHz

Custom Design T-Shirt with No Minimum order (you can buy just 1) and NO Setup Fee. Will transfer your Favorite Images from JPEG's and E-mail attachments and from photo prints to Custom T-shirts with unbelievable Crispiness and Clarity of true Color Reproduction. Our image transfer paper is 11.5" x 8" heavy duty industrial grade.

K8CU builds a classic 1967 QST semiconductor project during the 40th anniversary year of the original project publication.

This QST article describes the electrical and mechanical design process for two LPs that cover the HF bands from 10-30 MHz

This article describes an alternative to water as the cooling liquid for amateur radio vacuum tube power amplifiers. This cooling system is designed for adequate vacuum tube cooling, reasonable cost, and very low maintenance. By K8CU

K8CU technical topics article about high voltage breakdown tester necessary for testing of any high voltage components like vacuum tubes, high voltage capacitors, vacuum relay

In this article, K8CU describes his custom design that uses an embedded controller and touch screen LCD panel.

Operating WSJT-X modes JT-65 and JT-9 on Apple Mac OSX computers

Ham radio blog dedicated to Mac OS users

A review of the Wouxun VHF UHF handheld transceiver KG-UV8D

The Washington County Amateur Radio Club (WCARC) was formally established on June 26, 2014, serving amateur radio operators and enthusiasts in Washington County, Texas. The club provides a local community for hams to gather, share knowledge, and participate in various radio activities. Its formation date indicates a relatively recent establishment within the amateur radio landscape. The WCARC aims to foster interest in amateur radio, offering a welcoming environment for both licensed operators and individuals new to the hobby. Membership is open to anyone with an interest in amateur radio, promoting engagement across different experience levels. The club's activities likely include regular meetings, field operations, and support for emergency communications within the local area.

VarAC is a FREE, modern HF P2P real-time chatting application for the amateur radio operator that leverages the glorious VARA protocol

Focusing on the Indian amateur radio community, this resource provides a collection of articles covering news, technical tutorials, and DIY project instructions. It features content on various aspects of ham radio, including club activities, circuit ideas, and general information relevant to operators in India, often referencing local events and regulations. The site serves as a central point for information exchange within the region. The author, VU3HZW, shares insights and practical guidance, drawing from personal experience to present topics such as antenna construction and station setup. The content aims to support both new and experienced hams, with articles detailing specific projects and offering practical advice for improving station performance or engaging in local ham radio activities. For instance, one article might detail a simple _QRP transceiver_ build, while another could discuss optimal antenna placement for **local nets**.