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

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

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

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

An home made 70 cm colinear antenna at M1KTA blog

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.

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

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

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

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

Experience and modifications of ICOM IC-751A

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

Weatherfax decoding software with modem

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

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.

Coral Springs Police and Fire Dispatch Florida

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

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.

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

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.

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

The dynamics of antenna design

K0EMT 160 meters sloper antenna

The FL-2100Z amplifier referenced in the following images is the 6-Band model covering 10m thru 160m (no WARC bands) and not the 9-Band version that included the WARC bands. Modifications, schematics and manual

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

AA5TB home made CW paddles, pictures and construction details

Doublet multiband antenna for 80 to 10 meters band by

The K8ZT website provides a curated collection of amateur radio resources, encompassing software tools, informational articles, and external links relevant to various aspects of the hobby. It features utilities for _log analysis_, insights into QRP operations, and guidance on obtaining vanity callsigns. The site also includes sections dedicated to shack design principles and general ham radio information, reflecting a broad interest in practical station setup and operational enhancements. Specific software offerings are presented alongside discussions on their application, such as tools for analyzing contest logs to identify operational efficiencies or areas for improvement. The content often integrates personal experience with technical explanations, providing a practical perspective on topics like antenna selection for low-power operations or optimizing station workflow. The resource distinguishes itself by combining software recommendations with contextual information, aiding operators in making informed decisions about their station's technical and operational aspects.

Offer Aluminium tubes for antenna parts

Contest LogChecker is a set of contest tools for Microsoft Windows, combining advanced text editing with keyword highlighted, and the ease and flexibility of import, export, statistics and charting utilities. With LogChecker you can edit, fill in the log, check Cabrillo Format and Header, convert files from the most popular logging software to Cabrillo, print customizable files, calculate statistics and export logs to RTF, PDF or HTML for publishing. You can examine a log in many different ways by highly interactive methods. LogChecker includes a Master Callsign Database tool for managing databases, which have been generated from actual contest logs. Commercial

146MHz 5/8 ground plane tower mounted antenna. The antenna was largely based information and analysis provided by the RSGB's. VHF UHF Manual, fourth edition by G.R.Jessop, G6JP

JT65A frequencies. List of common HF frequencies where you can work JT65A.

KR1ST, Yaesu FT-897 Noise blanker review

Commercial, military, and amateur radio rotators

The perfect tool when you want to put up a wire antenna easily, quickly and safely! EZ HANG can be used to "shoot" a line over a tree or other object over 100 feet high

This is the most advanced scanner software for the AR8200 and the AR8600. It can effect any type of scan, can scan from 1KHz to 3000MHz in one time. The AREight is a software for help you to listen signals from around the globe on the shortwave bands

4 elements HB9CV antenna for six meter band by JA1HWO

Freeware contest simulator for Windows 95/98/ME/NT4/2000/XP Copyright (C) 2004-2006 Alex Shovkoplyas, VE3NEA

The Emtech ZM-2 Antenna Tuner is a nifty little portable transmatch for QRP (low power). It utilizes the well-known Z-match circuit, which is especially useful for balanced antennas (like dipoles and loops).

A listing of 2m SSB nets around the US.

This project is intended to aid in tuning a balanced antenna or feedline that has a high impedance 100-600 ohms

Project of a windom multiband antenna for 10 to 80 meters in portuguese

Modifying the _ICOM IC-706MKII_ transceiver for out-of-band transmit capability involves specific surface-mount device (SMD) removal on the main circuit board. This procedure enables transmit functionality from 0.5 MHz to 200 MHz, excluding the commercial FM-Wide broadcast band, significantly expanding the radio's operational frequency range. The modification requires careful handling of small components and a fine-tipped, low-wattage soldering iron. Prior to beginning, all programmed memories and initial setup configurations must be noted, as the modification process will erase them. The instructions detail the necessary tools, preparation steps, and the precise location of the two SMD diodes to be removed. These diodes are situated near an oblong crystal can and a test point labeled _CP3_ on the main board. Successful completion returns the unit to its default configuration, necessitating manual reprogramming of memory channels and initial settings. This project is suitable for operators with experience in SMD work and fine soldering.

Online Moxon antenna calculator. Design your moxon antenna online giving wire diameter and resonant frequency

The Radio Component Database offers a structured collection of technical documentation for various radio components, primarily focusing on those relevant to CB-Radio and general transmitter/receiver equipment. It categorizes components such as RF Bipolar Small Signal Transistors, RF FET Small Signal Transistors, RF Power Transistors, and Integrated Circuits, providing specific data for each type. The resource includes a "Shortform Transistor Catalogue" and a section dedicated to Variable Capacitance Diodes, detailing their characteristics and applications. A significant feature is the inclusion of cross-reference databases from major manufacturers like NTE Electronics Inc., ECG, Fujitsu, Motorola RF-Components, and Philips Components, which can be invaluable for component substitution or identification. Users can access specific technical data from manufacturers such as National Semiconductor, NEC Semiconductor, and Toshiba Components, with some data available in _PDF_ format. The database serves as a reference for hams and technicians working with RF circuitry, offering a centralized location for component specifications and alternatives, which can save considerable time during design or repair work.

The intent of this site to share information about the design of a 40 meter horizontal phased array antenna.