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If you're one of the many hams whose principal operating mode is SSB, then the easiest way to increase your enjoyment of the hobby is to use CW. If you disagree with that statement, then there's a good chance, if you're honest with yourself, that the reason is because you have never been good enough at Morse to make using it an enjoyable experience

An interesting page about Quad antennas. Modelling QUAD antennas, comparing quad antennas to yagi antennas. Information on QUAD Antenna tuning and home brewing with help on calculating dimensions and tuning.

Collection of modifications notes for the Kenwood TS850

The diagram below shows the basic arrangement of the 2m Half-Wave version of the antenna. A 6m diagram is available too.

List of mods for the ICOM IC-7000 with many PDF Files

MobileLog is a logging package for the PocketPC. It features DXCC reports, searching, alerts, and inport/export.

Surplus and electronics parts. On-line catalog available.

CyberDX-CW is a software simulation of an amateur radio station monitoring the world. Generates a simulated radio environment, where the operator can tune all of the HF bands and actually hear computer generated station activity

Measurements that show it doesn't make much difference

Orange County Sheriff Live Audio Feed at radioreference. Florida USA

Canada's Largest Electronic Surplus Store

Why 6 meter hams design the best antennas

The Ameritron AL-1200 Amplifier is in current production. In its factory configuration it uses a single 3CX1200A7 (triode) tube, grounded grid configuration. Re-tubing the AL-1200 with a GS-35b with success.

A monoband yagi for 14 MHz a PDF article from 73 amateur radio magazine by AB4GX

KB6NU article on W3EDP antennas

Satellite tracking on the iPhone/iPod touch. Track and predict visible satellite passes. Touch a satellite in the map view to see it’s orbit path and location.

Amateur Radio License exams are composed of questions from a pool. Use this application to practice all possible questions prior to taking your exam

What is ground?RF ground and the ground plane, how can I tell if I have a good ground? ground loops

Antenna was designed for SO-50 satellite operation but can be used for any VHF/UHF activity. It's a mix of a Moxon Antenna and a Yagi antenna. It has gains 4 dBd on 2m and 6.5 dBd on 70cm bands and it is fed via single 50 Ohm cable.

Website for all Chesterfield Gateways on 446, using eQso.

The MFJ-940 VERSA TUNER II is a useful little antenna tuner for the HF-bands. However it suffers from a minor design error, which can be easily rectified.

Outlines recommended operating procedures for amateur radio repeaters, detailing best practices for general on-air conduct. It emphasizes using simplex when possible, monitoring the frequency before transmitting, and maintaining concise, thoughtful transmissions to avoid monopolizing the repeater. The resource also stresses the importance of legal identification, such as the Canadian requirement at the beginning and end of a contact and every thirty minutes of operation. Furthermore, the article provides specific instructions for **autopatch** operation, including access codes and the necessity of brief calls, while cautioning against misuse for long-distance calls or commercial purposes. It highlights the financial support expected from regular users to maintain repeater infrastructure. Finally, the guide differentiates between permanently linked repeaters, which offer extended coverage, and **code access linked repeaters**, explaining the sequence of identification and code entry required to establish and terminate links for broader communication.

Win-Test is a contest logging software compatible with all the operating systems Windows 32 bits without exception. All major international and many national contests are supported. Network TCP/IP capability, radios and CW interfaced, database-aided autocompletion, and much more...

D3+ High Performance Antennas for Field Day. This article describes versatile broadband wire antennas. These antennas will double your effective radiated power over a dipole, will be easy and inexpensive to build and install, and will be simple to match.

This document serves as a comprehensive guide for amateur radio operators looking to enhance their Yaesu FT-2000 or FT-950 transceivers with pan-adapter capabilities. A pan-adapter is an invaluable tool that allows operators to visualize the frequency spectrum, making it easier to identify signals and improve operational strategies. The guide details the necessary hardware modifications, including the RF Space IF-2000 board and various SDR options, along with their costs and installation procedures. The document caters to operators of varying technical expertise, providing step-by-step instructions and troubleshooting tips. It emphasizes the importance of using a sound card and software like PowerSDR and HRD for optimal functionality. By implementing these modifications, users can monitor multiple frequencies simultaneously, leading to a more productive and enjoyable amateur radio experience. This resource is particularly beneficial for those looking to modernize their equipment and remain competitive in the ever-evolving world of amateur radio.

10 Band DSP Equalizer for Ham Radio, requires Win 98 or higher, 128 MB, 16 bit sound card.

Producers of Scancat, Copycat, Magic and Distributors of HOKA's CODE-3 and CODE-30 decoders.

YF1AR 80 to 40 meter vertical antenna project

AB4GX K4EAA Mononband yagi antenna for 20 Meters

Email, GPS Beacon, GPS Tracker, Text Chat, Private messages, internet Network node (link across the internet). Dstar Comms can be used for email deployment, GPS Tracking, reliable communication plus much more. Availble in free and commercial version

Pre amplifier using a 2N5109 for the 160 meters band

The Antenna Rotator Controller is unique in that it senses, displays, and controls to the earth's true magnetic field. The compass sensor, mounted in a waterproof enclosure, is attached to the mast and sends its signal to a microcontroller

Antenna manufacturer from Poland, produce dipole wire antennas, W3DZZ FD4 Windom and long wires, baluns, dealer for toroids and connectors managed by Leszek Mlynarczyk SP1BKS

An easy to build single wire antenna for 160 and 80 meters with a better than 2 to 1 swr across the 80 meter band

Illustrates the specific wiring and configuration steps required to interface an SGC-230 Smartuner with an Icom IC-706 HF/VHF/UHF transceiver. The document details the necessary connections for power, control, and RF signal paths between the two devices, ensuring proper impedance matching and automatic antenna tuning functionality. It specifies the pin assignments for the IC-706's ACC socket and the SGC-230's control port, crucial for successful integration. Outlines the operational considerations for the combined system, including initial setup procedures and potential troubleshooting tips for common connectivity issues. The resource presents a clear, diagrammatic representation of the interconnections, which aids in visual comprehension of the required cable fabrication or modification. Covers the specific settings within the IC-706 menu that need adjustment to enable external tuner control, such as the 'TUNER' function and other relevant parameters. This ensures the transceiver correctly communicates with the SGC-230 for efficient antenna tuning across various amateur bands.

The Q-signal **QRP** signifies a request to reduce power, and in amateur radio, it defines operating with 5 watts or less for CW and 10 watts or less for SSB. This article addresses common inquiries from new hams regarding the practice, its benefits, and implementation methods. It explains how a 5-watt QRP signal, compared to a 100-watt signal, typically results in only a 13dB drop in signal strength, equating to about two S-units, still providing solid copy under most conditions. Hams choose QRP for various reasons, including seeking a greater challenge in DXing or contesting, reducing band interference, or enabling portable field operations with lightweight, battery-efficient equipment. A modern single-band CW transceiver, key, and antenna can fit into a pocket, offering receiver performance comparable to commercial rigs and extended operation on a small battery. This portability facilitates operations in remote locations where higher-power setups are impractical. Operating QRP can involve simply reducing power on an existing commercial HF rig or building a dedicated QRP transceiver from a kit, such as the **Wilderness Radio SST** with its 2-watt output and 15mA receive current draw. While SSB is viable, CW remains the most popular and efficient mode for QRP due to its superior signal-to-noise ratio. The article lists common QRP calling frequencies across 160m through 10m bands for both CW and SSB, and highlights organizations like QRP ARCI and NorCal that support the QRP community.

Revisiting the WA2EBY broadband HF amplifier

Tune in live to the Grants Pass DPS police radio and Josephine County Sheriff's Office radio feeds.

Build a spiderbeam from scratch for 20-17-15-12-10 meters band

Maldol MFB-300 all band HF vertical antenna review by Steve Nichols

The project outlines the process for constructing a low-power FM broadcast transmitter using a Raspberry Pi Zero, a simple wire antenna, and battery power. It details the software installation steps for PiFM and MPG123, essential for generating and transmitting audio. The resource provides instructions for configuring the Raspberry Pi to broadcast FM signals, including command-line operations for initiating transmission and playing audio files. It specifically focuses on the Raspberry Pi Zero's capabilities for this application, highlighting its cost-effectiveness and minimal hardware requirements. The content presents a practical, hands-on approach to creating a basic FM transmitter, suitable for short-range, experimental broadcasting. It includes guidance on testing the FM output and ensuring proper operation of the software components. The project emphasizes the use of readily available components and open-source software to achieve functional RF output.

Quality sending instruments for the morse cw enthusiast by K4VIZ

M0VEY 160 m DX mobile antenna

Frequently asked questions on Digital Signal Processing

Morse Tutor is a DOS based program written in C++. It can be used to practice morse code. Various options are available. Morse tutor with Complete Source Code and Binary is available for Download (32KB).

Online shopping, Programming Software, Icom, Yaesu, Kenwood, Istron, HyGain, MFJ, cat cables interfaces and other radio control cables.

A three-frequency multi-band dipole that can be extended easily to additional bands. This article includes a multiband fan-dipole antenna for 80-40-20-10 meter band.

About numbers stations, and their criptic transmissions, where to listen to them and some audio recording samples by fascinating shortwaves

a comprehensive listing of both Military and Civil HF networks from Australia and it's surrounding neighbours as well as from countries around the world.

Some antenna manufacturers place baluns at the incorrect location in LPDA arrays, or tell you to route the cable incorrectly. This can cause substantial RFI and all sorts of weird problems like RF into house wiring.