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From TenTec Inc a video that illustrate a PL-259 installation on a RG8X coax cable

Optimizing the ZS6BKW antenna for full HF band coverage often requires specific modifications beyond its standard configuration. This resource details several enhancements, beginning with a simple series capacitor to improve 80m SWR, a technique W5DXP found effective for permanent installation due to its minimal impact on higher bands. Further improvements include a 10-inch parallel open stub for 10m resonance, shifting the frequency to 28.4 MHz with an SWR of approximately 1.8:1, a practical solution for Technician class operators. The document then explores a switchable matching section, adding or subtracting one foot of ladder line at the 1:1 choke-balun, which significantly impacts higher frequency bands and eliminates the need for a tuner on 17m. W5DXP's _AIM-4170D_ antenna analyzer measurements confirm these effects. More advanced modifications involve a parallel capacitor for further 80m SWR reduction, requiring remote switching for multi-band operation, and relay-switched parallel capacitors at specific points on the 450-ohm matching section to achieve low SWR on 60m, 30m, and 15m. These detailed steps, including _Smith chart_ analyses for the challenging bands, aim to transform the ZS6BKW into a truly all-HF-band antenna, reflecting W5DXP's practical experience in antenna tuning.

Home made WiFi 11dBi, wide band antenna by T. Marshall

This modification will allow the use of separate receive and transmit antennas on the Kenwood TS-850S/AT.

We publish a quarterly newsletter, hold Field Day,Public service events and still provide Morse Code classes on our repeater W8USA 145.230

Temporary hf vertical installation for testing

Experiments on HF antennas for restricted spaces. In this article author experiments antennas for 80-10 meters band having just a very small garden and several restrictions. Basic antennas consists of laded multiband dipoles and fan dipole antennas

The website for the Yucaipa Valley Amateur Radio Club located in Southern California.

Ladder Line Myths, Line Types, Spacing and Impedance, Length by KV5R

Article about small magnetic loop antennas with notes on realization of magnetic loops for several HF bands and the six meter band

Radio club serving ham operators in Southwestern Idaho and Eastern Oregon.

Special services club offering monthly meetings, training classes and general advancement of ham radio in the Northwest.

Activating a county for ham radio can be dangerous to your health!

Detailed pictures and description of antenna tower setup

Yaesu FT 847 CAT cable

A method of installing a PL259 coax connector, a complete tutorial on how to solder Amphenol 83-1SP connectors

Js8Call is communication software designed for keyboard-to-keyboard message passing. Based on the WSJT-X application and implementing the FT8 protocol techniques, it's a separate project run on Linux, Windows and MacOS

The RoadTrek design presents some unique challenges to us hams. Here an example of a VHF and HF antenna installation on a VAN

G7LRR aerials's that work in small Garden of 20ft x 15ft with a 60ft mast

Mounting a whip on the trailer hitch

What little I know about ham ballooning by Dave Mullenix, N9LTD

New York's Hall Of Science Amateur Radio Club.

Sounds from the 136 kHz band

A bycicle ham radio station setup, with full band coverage

A step by step approach for a ham radio vertical antenna mount using only a hole, gravel and a piece of plumbing pipe

This database is not a logging program. It is intended to collect information about the HAMs that you know. You just record the call sign and name of a HAM that you meet. Later you can use QRZ to look up the call sign to validate that it matches the name.

The Cumberland Valley Amateur Radio Club (CVARC) has maintained a presence since **1956**, supporting amateur radio operations in South Central Pennsylvania. This resource, while serving as a redirect, indicates the club's long-standing commitment to the hobby within its local community. It points to an updated cyberhome, suggesting ongoing activity and a desire to keep members and interested parties informed about club functions and events. The club's continued online presence, despite a website migration, highlights its dedication to fostering amateur radio. The redirect mechanism ensures that visitors can locate the current _club website_ for information on meetings, activities, and local ham radio support. Such continuity is vital for community organizations, providing a stable point of contact for hams in the Cumberland Valley region.

Polish Callbook with search engine, QSL cards, photos and map generator.

A pdf file with drawings and instruction to properly assembly and solder most popular coax cable connectors

Victor Valley ARC

Receive-only loop antennas have some nice response characteristics that make them ideal when used for reception of skywave signals.

Picture and reference links for STL Small tumed loops antennas by DJ3TZ

These photos illustrate the basic steps in making a perfect solder joint on a p.c.b

This page presents a curated list of individuals who have made significant contributions across various fields while also being active amateur radio operators. For instance, Dr. Joseph H. Taylor, co-winner of the 1993 Nobel Prize in Physics for the discovery of binary pulsars, is recognized for developing the _WSPR_ and _WSJT_ weak signal mode software. Similarly, Wilson Greatbatch, inventor of the cardiac pacemaker with over **150 patents**, is featured. The resource details the diverse backgrounds of these hams, from Professor Donald H. Menzel, an astrophysicist at Harvard, to Hiram Percy Maxim, often called "The Father of Amateur Radio," who also pioneered in the automobile and aviation industries. King Hussein of Jordan, JY1, is noted for his active participation on 20 meters, engaging with fellow amateurs like Pat Kilroy, WD8LAQ. Other entries include Arthur M. Young, designer of Bell Helicopter's first model, and Marlon Brando, KE6PZH/FO5GJ, known for operating from his private island in French Polynesia. Peggy Sue Gerron-Rackham, K5PSG, gained her license after a special event station, demonstrating the hobby's broad appeal.

Photos from around the world of perhaps the most famous QRP project ever created. Vintage 1970's and newer versions of the Tuna Tin Two are featured.

eham reviews of the Yaesu FT-9000

The _TA Callbook_ provides a dedicated online search utility for Turkish amateur radio operators, enabling users to query a database of over 15,500 records. This resource allows for lookups based on a callsign, operator's name, surname, city, or even a specific address keyword. It serves as a practical tool for DXers and contesters seeking to identify or verify Turkish stations, facilitating QSLing and contact logging. The interface is straightforward, requiring only a single keyword input to initiate a search. Operators can also update their personal information through an integrated editing form, ensuring data accuracy within the system. The platform's data collection practices are noted to comply with Turkish Personal Data Protection Law No. 6698, specifically Article 28, Paragraph 2, Clause b, by utilizing publicly disclosed information. The database was last updated on March 6, 2026, reflecting ongoing maintenance by its creators, _TA3AK_ and _TA8A_, who collaboratively developed this essential Turkish callbook.

Thierry LOMBRY, ON4SKY, gives advice to amateurs about lightning protection of an hamshack, including pictures and links.

On these pages you will find articles and pictures reagarding a renewed Drake TR7 by DK4DDS

The main function of the Ugly Balun is to help eliminate rf currents from flowing on the outside of coaxial cable using the principle of choke action.

Installing and operating amateur radio station in OTR (Over The Road) trucks, and an RVs (Recreational Vehicles) by K0BG

Link page to all kinds off amateurradio related sites

Products for electronic production service repair and testing

Modeling small 160 meter antennas, with a focus on the vertical H antenna

Activities, meetings and more

Alltronics was founded in july 1978 and is in the business of selling and buying electronic components and equipment.

Call Book Log 3.0 is a web-based logging solution for amateur radio operators, designed for self-hosting on a web server with MySQL/MariaDB and PHP 7+ support. It provides a mobile-friendly interface for viewing, adding, editing, deleting, backing up, and restoring QSO logs. The software features a streamlined setup process, allowing users to quickly deploy a personal logging system accessible via any web browser. Key functionalities include displaying the last **5** contact dates for previously worked stations, enhancing log management by providing immediate historical context during QSO entry. The system also includes a central administrative section for authenticated users to manage log entries. The 3.0 version represents a significant code overhaul, focusing on improved performance and a more *visually appealing* user experience compared to earlier iterations. Enhancements include better pagination, a redesigned menu with icons, and color-changing rows for improved readability. The add log page now incorporates a one-click time update feature, addressing user feedback regarding time synchronization during rapid QSO entry. This iteration builds upon previous versions like 2.1, which corrected an automatic _UTC date_ bug, and 2.0, which featured a full rewrite to resolve browser quirks and optimize search functions. The software's evolution demonstrates a commitment to functional stability and user interface refinement.

Article on ham radio mobile operation from Andy D. Crouch N5NDD

Ham Radio ITU International Callsign Country Prefixes