beacon keyer

Build a 10 Meter Beacon - How to build a beacon keyer by Tom Sevart N2UHC

Ham Stack - Microcontrollers for many ham radio applications including repeater controllers, beacon transmitters, keyers, antenna switches, battery monitors, etc.

Amateur Radio Products - BullDog Iambic keyers, memory keyers, beacon boards, interface cables

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

Expanded Spectrum Systems - Flash crystals, Feakin' beacon keyer, beacon attenuator

DRF Technologies - Interfacing and Control Projects for the Hobbyist, Ethernet I/O Board, VA3TO Echolink Interface, Programmable Beacon Keyer Project.

Voice Keyer for Android - Audio recorder and player for Android. Perfect for Ham Radio (Amateur Radio) operators as a voice keyer for SSB contests or voice beacon.

OZ2M - Beacon Keyer - Circuit and software to build a beacon keyer, includes downloadable packages.

Morse Code Beacon Keyer - This circuit stores a single morse code message as bits in an EPROM chip, the message is sent to a relay which can key a CW transmitter.

An Intelligent keyer for FSK beacon usage - Designing a beacon keyer that transmit the relative output power along to call sign.

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

OZ2M - Beacon Keyer - Features, pictures and schematic to home made your keyer

144 Mhz Dirty Beacon project - VHF beacon keyer by 9A4QV

VA3TO Programmable Beacon Keyer - This article describes a simple programmable Morse Code Continuous Wave (CW) beacon keyer that can be built for less than $15

The 68HC705 Beacon Keyer Projects - C8 based Keyer, This microcontroller-based beacon controller board was originally developed during March - September 1996 to become part of the then replacement P29 beacon

MicroBeacon - The MicroBeacon is the combination of a memory keyer and controllable RF attenuator.

CMOS Super Keyer - Home made keyer with 8 memories, auto spacing, adjustable speed & weighting, separate paddle and key inputs, beacon mode, positive or negative keying, fuse, extremely low power requirements, and a bullet proof housing by AA5TB