cw keyer

Broadbanding the half-square on 80 meters - N6LF discusses a simple way to broadband the classic half-square antenna to operate in both the CW and SSB DX windows on 80/75 meters.

What make the carolina windom so good - The off-center fed CAROLINA WINDOM provides outstanding performance on all bands. This includes all the WARC bands, 30, 17, and 12 meters.

WW2FD RECWA - Emergency service and weather, dedicated to the Community and City of New York

VVRC Vaca Valley Radio Club

W1CWA BARC - Bloomfield Amateur Radio Club Connecticut

W0DCW The St. Louis and Suburban Radio Club, Inc.

Cleveland Wireless Association - The Cleveland Wireless Association was formed in 1927 during the early years of amateur radio. The club constitution was signed July 1930.

K5MQ Ham Radio Audio Recordings - Recordings of DX stations from around the world SSB and CW.

Unified Microsystems - W9XT contest card DVK Digital Voice Keyer, morse keyers CW memory keyer, beacon CQ IDer, USB interfaces and more for ham radio operators

Milestone Technologies - Morse Keys, Keyers, Keyboards, and Keyer Paddles, electronic parts, QRP transceivers, books and tools

Micro908 Kit - A re-usable control & computing platform for antenna measurement, PSK31 digital modems, audio filtering, signal source & VFO, memory keyer by AMQRP

Slow CW Sensitivity - DK8KW laboratory tests to get some indication about the ability to communicate with signals below noise level using Slow-CW.

Why is Morse Code Still Used? - Interesting article by WY3A explaining benefits of operating CW

Slow CW an introduction for Newcomers - DK8KW Longwave Information

Wadsworthsales - Manufacturer's representative of wireless communication radio equipment, 2-way radio sales, land mobile radio sales, repeaters, duplexers, antennas, pl tone, hf, vhf and uhf data modems and LAN ethernet radio modems for commercial and amateur radio users.

cocoaModem - CocoaModem is an opensource MacOS X 10.4 application which implements modems (modulator-demodulators) for RTTY PSK MFSK Hellschreiber CW SITOR HF-FAX provided by W7AY

TWCW - This linux program will send Morse Code via soundcard or serial port by WA0EIR

EhoCW - CW Keyer software by F8EHO keyer and decoder functions, with interfaces with emitter/Receiver, memories, variables for call sign, mp3 and wav morse conversion, direct keyboard keying, joystick or serial interface for a morse key

A LF power amplifier - A Low Frequency (LF) RF Power Amplifier by VK5BR it operates in a linear mode and can handle CW, AM and SSB.

COLLINS 30L-1 HF Linear Amplifier - The Collins 30L-1 Linear Amplifier has 1000 watts PEP power input on SSB and 1000 watts average on CW on all bands. It can be driven by the Collins 32S-3 Transmitter Collins KWM-2 or KWM-1 Transceiver, or most 70-100 watt exciters.

AVR Beacon Keyer Project - Description of an HF beacon keyer with telemetry. What makes the keyer rather different is its versatility - it is a multi-mode unit, with ASK and FSK modulation, sending Feld-Hell and Morse on command.

ZS1I beacon keyer - This article describes a simple programmable Morse Code Continuous Wave (CW) beacon keyer for HF, VHF, ARDF and tracking beacons

Yaesu FT100 Contest Assistant - Yaesu FT100 Ham Voice Keyer in Italian

Toaster transceiver - A 2W 80 meters transceiver assembled into a toaster case.

40 meter QRP Transceiver - This semi-homebrew QRP (low power) CW transceiver is based on the ARK-40 transceiver kit, by S&S Engineering. With its built-in CW keyer and 5 watts of power, the basic ARK-40 transceiver is an outstanding 40 meter CW performer