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409 Shop is an Ham Radio and electronics online shop based on Hong Kong deliver worldwide. Ham Radio transceivers, batteries, swr meters, antennas and other ham radio accessories. Currently the shop seems to be out of business

Amateur radio towers by Wade Antenna ltd. Wallmounts,masts and accessories, tripods, dmx self spporting towers, telescoping masts

Large selection of affordable and fun hobby kits as well as a really neat selection of electronic gear. Transmitters and receivers kits, test equipments, RF test enclosures.

Everything the antique Philco radio collector and restorer needs.

ZScope oscilloscope software is free with the purchase of any ZTEC oscilloscope available in PCI, PXI, VXI, & LXI. Remote control ZTEC oscilloscopes.

When we think of Beverage antennas, we automatically think of several acres of land and lots of wire!

5 Band 1/4 wave Telescopic Antenna. The 20m to 10m, antenna is simple and cheap to make, and has a performance that matches commercial antennas but at cost considerably lower. The design was purposely based on a telescoping fibre glass fishing rod as this allows it to be easily stowed away in the car.

Soundflower is a Mac OS X (10.2 and later) system extension that allows applications to pass audio to other applications. Soundflower is easy to use, it simply presents itself as an audio device, allowing any audio application to send and receive audio with no other support needed. Soundflower is free.

This is a resonant, half-wave, vertical antenna. It takes up little space in the back yard, was designed for operation on a single frequency 80 meter PSK net, and is reasonably inexpensive to construct by Chuck Hines, K6QKL

The document discusses a two-element parasitic Delta-Loop array for the 40 meters band, aimed at radio amateurs interested in antenna projects. It provides detailed plans and instructions for building a homemade Delta-Loop antenna.

Features and specifications for discontinued yaesu ft-100d radio

Online javascript antenna calculator designed to give the critical information of a particular beam antenna, in this case a seven element Yagi, for the frequency chosen.

Cluster monitor is a tool for web and telnet clusters monitoring. The program shows spot history, the latest spots are shown in a separate window with full information about the DX, announcements, WWV propagation, and full sorting and filtering capability. Full support for AALog and AAVoice by RZ4AG, DXAtlas by VE3NEA. Integrated dial-up support. Price USD 25

RemoteHams.com permit to display and control transceivers all around the world

Official IARU Region 1 band plan

G8ODE antenna project, where the 40m & Short 80m antenna was deployed as a sloping wire antenna using the 10M fibre glass fishing pole and a hook on the house's gutter-board

These inexpensive, easily built filters can be the buffer you need between the signals you want to hear and send and those you don't!

RigResident is a small program for RIG control, which does allow to set and read data of connected tranceiver (frequency, mode etc). RigResident supports more than 70 TRX models from ICOM, KENWOOD, YAESU and Ten-Tec.

Construction of a 4 legged 20 foot Tower at vk5sw

Antenna data, and design note for this horizontal loop antenna resonating on 80 Meters by K0ZE

A project for a 144 Mhz halo antenna

A slightly different 6M antenna project by N1GY, an Off center fed antenna for the 50 MHz.

home of the AA9PW exam practice pages.This site is designed to allow you practice for the following FCC Radio and FAA Aviation licensing exams.

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

a neat 1:1 50 ohm balun for use on HF horizontal wire dipoles.

Acc1 Breakout Box, Fused Power Cable with Accessory Tap, Microphone Breakout Box, CI-V Interface, Using the Auto Sound System for Receiver Audio

The Yaesu FNB-78 Battery plugs into the FT-897/D. It produces 13.2 VDC at 4500 mAh. The radio can hold one or two and one can be in use while the other is charging.

Log Online for XT2TT in real time

Amateur radio accessories, power supplies, tvi filters, speakers, microphones, swr meters, preamplifiers, switches, cable and connectors,

Antenna that's simple, inexpensive lightwiight and easy to install

If you can't get on the air from home, the Internet may provide the answer. By Brad Wyatt, K6WR. Pdf File.

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.

Radio Center radiaficion, Gps, Garmin, Kenwood, Yaesu, Navilock, dealer in Spain

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

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.

AM loop antenna for 75/80 meters band

Publication for the video aspects of ham radio

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

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

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

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.

QRP kits

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

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

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

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

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

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.

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

An home made 70 cm colinear antenna at M1KTA blog