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Officina Meccanica Begali has been manufacturing electro-mechanical precision components since 1960, and our line of fine keys and paddles for the ham community are a more recent addition.

Sams Photofact downloads - Schematics and Service Manuals for Radios, Amplifiers, More

AM loop antenna for 75/80 meters band

Current HF band conditions online report and graphs. This page provides band condition information to CW and SSB Contesters. It can also be of benefit to other Radio Amateurs to determine band condtions for Nets and casual QSO

Dedicated to building bridges between the EME, SETI and Radio Astronomy Amateur Interest Groups.

STSORBIT PLUS, usually known as STSPLUS, will track the space shuttle or any satellite for which orbital data (TLEs) are available. A brief description of the program and several screen capture examples follow the links for downloading the program files.

A potpourri of 160-Meter vertical antennas and modeling issues, inverted-L, 3-element parasitic array, 1/4-wavelength monopole

QRP kits

The WN-1 is a precision RF Watt, SWR, and DC Meter to digitally monitor your amateur radio and emergency communications stations.

Publication for the video aspects of ham radio

An Easy way to Monitor RF, AC or DC current with one instrument by W5JGV

A cost effective current-mode 1:4 balun can be constructed from two lengths of coax, two ferrite rods, some electrical tape, cable ties, a length of PVC water-pipe and some connectors. This form of 1:4 current-mode balun is named after G. Guanella.

The 40/60/80 is a portable loop that covers 80 meters with a high degree of compromise

The **Black Cat CW Keyer** is a macOS application designed for amateur radio operators to transmit Morse code directly from their computer. It provides functionality for typing text to be sent, either immediately or buffered, and allows for the creation and transmission of pre-defined messages via single-key shortcuts. This software addresses the need for a flexible and accessible CW keying solution, particularly for Mac users who might find fewer dedicated ham radio applications compared to other operating systems. It integrates basic text-to-CW conversion, offering a straightforward interface for generating Morse code signals. Operators can utilize the Black Cat CW Keyer for various CW activities, including casual QSOs, contesting, or beacon operation. Its ability to buffer text allows for smoother transmission, while the single-key macro feature streamlines repetitive message sending, such as CQ calls or contest exchanges. While specific comparisons to other CW keying software are not detailed, its macOS focus provides a niche solution for Apple users. The program's utility lies in its direct approach to computer-based CW transmission, making it a practical tool for those seeking a dedicated **CW keyer** on the Macintosh platform.

3 to 12 MHz signal generator, simple local signal source

EF403 is a 3 element yagi antenna for the 40 meters band with high gain and F/B Ratio

There are many kinds of satellite antennas that will get you on the birds and allow you to have lots of fun

Band Master is a program for Radio Amateurs that downloads DX spots and displays them in different ways, including a graphical band map. It can be used either as a stand alone application or as part of a logging or contesting software. Price USD 25

A receiving loop antenna project suitable for 150-430 KHz reception by Gregg van der Sluys

This blog is about utility and military monitoring in the HF/VHF/UHF range.

Manufacturer and direct seller of shortwave and ham radio antennas and accessories like TINYTENNA & YO-YO-TENNA

KN4LF article about a 1/4 wave fan inverted L antenna for 80 and 160 meters band

CB Radios And Antennas, Marine Radios, Scanners, Radar Detectors. Online store and repair service

Accessories for your hamshack, such as Band Decoders, various types of Antenna Switches, Antenna Stacking devices, special devices designed dedicated for the SO2R operating technique, USB Interfaces, cw keyers and many others

An home made 70 cm colinear antenna at M1KTA blog

Weatherfax decoding software with modem

A free to download and print, paper log sheet for shortwave listerners in PDF format.

NU9N recomendations for processed SSB, ESSB, AM Hi-Fi, Mid-Fi, Amateur Radio Audio Setup for transmiters, receivers and Amateur Radio Recording/Playback

Yaesu FT-857 offers an availability of changing parameters through the hidden menu.

This article describe a small single wire antenna running on the side of the building allow operations on 80 meters band

Rolling your own transformers and chokes. Rewinding salvaged power transformers, considerations and step-by-step guide

Antenna Warehouse provides a range of certified quality wire products for amateur radio and general communication applications. Their inventory includes Francis antennas, known for their robust construction, alongside the versatile Select-A-Tenna series. The company also stocks Solarcon 10/11 meter base antennas, catering to specific band requirements for 27-28 MHz operations, and various Wilson antenna models. Beyond product sales, Antenna Warehouse offers services such as antenna tower installation, repair, and removal. These services support the complete lifecycle of antenna systems, from initial setup to maintenance and decommissioning. The product selection emphasizes components for both fixed station and mobile installations.

CB2HAM is a group for licensed radio amateurs focussed on converting quality CB radios over to the Ham bands.

2 Meter Halo Antenna project by Mike Fedler with many detailed pictues and detailes homebrewing instructions so you can build your own

Coral Springs Police and Fire Dispatch Florida

Experience and modifications of ICOM IC-751A

A suitable high gain 70cms antenna for SOTA operation was sought that did not have the drawbacks of a long Yagi antenna, principally a narrow beamwidth and bandwidth.

Enables out-of-band transmit for 1.6 MHz to 54 MHz, Improved VHF recieve mod, other band expansions

Using moxon rectangles for WARC-Band antennas

Bill Orr W6SAI ham radio techniques. Improving ground connection, computer analysis of the antenna, modelling sample antennas pdf file

Largest hamfest in the SouthEast by The Orlando Amateur Radio Club

Search the online log of VP8PJ DX pedition to South Orkney Feb. 21, 2020 - Mar. 6, 2020 Log search offered by M0URX.

G7LRR Amateur Radio Site,160m Helical Antenna

HourWorld is a program with rich graphics that can show you what time it is in a certain part of the world, and well as demonstrate what is actually looks like over the globe.

Stone vintage radio describes early radio from marconi to the 1960s. its covers antique radio, wireless, tubes, valves, crystal sets, and battery radios. included in the virtual museum are hundreds of pictures, images, and descriptions of antique radios, articles, faq, sell, and buy a radio.

Rhombic antenna experiments by Jelmer PA5R

N0KHQ Moxon rectangle for 17 meters, constructed from RG-58 coaxial cable

The dynamics of antenna design

K0EMT 160 meters sloper antenna

W5GVE article on homebrewing a 144 MHz DDRR antenna for mobile use