voice key

IK6BAK Beacon - A 18 Mhz and 30 Mhz beacon running in Italy by IK6BAK

illinoisdigitalham : Digital Ham Radio - dedicated to the discussion & development of ALL amateur / ham radio Digital Voice & Data communication

QRPproject - QRP and Homebrew HAM Radio by DL2FI and DL7NIK QRP Made in Germany and more QRP Kits, qrp transceivers, accessories, mini keyers dealer for antennas, atu and more accessories

microHAM - Accessories for your hamshack, such as Band Decoders, various types of Antenna Switches, Antenna Stacking devices, special devices designed dedicated for the SO2R operating technique, USB Interfaces, cw keyers and many others

American Morse Equipment - Providing quality products to Amateur Radio Operators, morse keyers, portable paddle.

Juma kits - Ham radio kits, HF receivers,ssb and cw transceivers, morse keyers and linear amplifiers.

About Digital Smart Technologies - A general guide to D-STAR. The purpose of D-STAR is to allow HAM Radio operators to speak further and clearer using digital voice while sending data from 1200 BPS on up at the same time.

DVX Project - Digital Voice Transceiver Project This Project began to explore the use of the DVSI AMBE 2020 voice compression chip and also the ADF7021 single chip VHF RF Transceiver from Analog Devices.

Digital Voice Dongle Project - This project is to create a small board that when plugged into a PC USB port, will provide an interface to a DVSI digital voice VOCODER chip.

DStar- is anybody else worried about this? - D-Star is being promoted as a new digital voice transmission mode "For the second century of Amateur Radio" - but does it really fit into the spirit of the hobby?

Low Frequency Transmission Modes - Article by W1TAG on operating modes used on low-banding. The 2200 meter band (135.7 - 137.8 kHz) is only 2.1 kHz wide, so voice work on SSB or AM is out. Find out the best modes on LF

Keyboard Modes for 600 Meters - Evaluation of various operating modes on 600 meters

Olivia, the Magic Digital Mode - Olivia MFSK digital communications are becoming popular in amateur radio because Olivia is one of the most robust methods of text keyboarding, that can perform superbly for long distance communications. Olivia frequencies, format and software

T.R. McElroy Key Collection - Morse code keys collection

Brown Brothers Machine Keys - The purpose of this article is to describe in detail the Morse code keys made by the Brown Brothers Machine Company (BBMC), to aid the serious key collector in identifying each model made by this fine company.

K7GSE Vibroplex collection - Amateur Radio Station K7GSE, Telegraph & keys Collection

N4EKV Keys - Large pictures of N4EKV morse keys

N0UF Morse Key Collection - Keys from around the World

Finnish voice and ATV repeaters - Repeaters in Finland

NJ6N's D-STAR Chat - A simple D-Star keyboard to keyboard chat application for Windows by NJ6N.

PropNerPSK - PropNetPSK is a PSK (Phase Shift Keying) program capable of receiving multiple signals (2 - 16) at one time for the exclusive use to decode a properly formatted PropNetPSK beacon signal. If you are looking for a Keyboard to Keyboard type of program, this will not fit your bill.

Economical keyer - Using the PicoKeyer chip. Features a 60 character memory, setup & message entry using a paddle and no battery is required to retain the memory.

CW keyer - The PIC-MORSE is an electronic iambic keyer, integrating a generator of Morse code and a sidetone. It is built with a microcontroller PIC16C711. In French

Two PIC-Based Keyers - By Andy Palm N1KSN

Converting SSB CB to LF - Modified transverter for converting SSB CB to LF for thru-the-earth voice communications