digital cw

HF Aerial Design - A novel approach to aerial evaluation with diagrams and graphs by G3CWI

HB9ABX Felix - Ham Station description of HB9ABX and CE3CWF, magnetic loop antenna details, Free Energy devices, Pictures from Switzerland and Chile.

G3CWI Richard Priority listing - Adventure Radio, articles and reviews. This site has a whole host of ham related information.

XU7AFU Cambodia - By ON4AFU will be active 40 to 10m mainly CW - 21 Feb to 14 March

Manchester amateur radio club - Teaching the RAE with lots of info to help you pass the test For CW, Novice, RAE,.

Antietam Radio Association - Home of the ARA Club W3CWC, Proud Sponsors of the Maryland DC QSO Party and The Hagerstown Hamfest

F1ORL Pascal Priority listing - My expeditions and personnal station site of CW-PLAYER, SAT-EXPLORER from F6DQM

IZ7ATH Talino - All about homebrew, antennas, accessories for shack, digital tecniques and more..

Logikey K-3 - CW keyer by Idiom Press

Quantics W9GR - Digital Signal Processor Kits

OAK Hill - CW transceiver kits, qrp, frequency counters, qrp wattmeters

Small Wonder Labs - PSK31 transceivers and transceiver kit, CW monoband kits and QRP kits

Digital Signals Sounds - Several files with examples of sounds from digital radio modes on short wave. PSK, RTTY Hellschreiber MFSK FSK Sitor

Hellschreiber beacon project - This web site describes a low power beacon system to be used for propagation and performance tests on the lower bands. The beacon offers CW (on-off keyed) modes and FSK modes; the traditional Morse ID mode, and Feld-Hell, another highly noise immune CW mode.

Soundblaster and Packet - Flexnet and AGW packet engine tested and reviewed by IZ7ATH

ST2NH Nader - Many satellites homebrew projects from the sudanese amateur radio station ST2NH active on satellites, ISS, HF phone and digital modes.

SQ6CWP QSL Cards - Full color QSL cards from Poland

Radio Fundamentals - SWL radio fundamentals, beginner's guide to making CW contacts, interesting shortwave stations to find and more about bcldx.

WinWarbler - A free soundcard application supporting PSK31, PSK63, RTTY, CW, and Phone operation. It can decode all PSK QSOs within a 4 KHz segment, maintaining a sorted list of heard callsigns; it can simultaneously decode RTTY via soundcard and an external modem, generates CW directly or via WinKey, and includes a voice keyer. WinWarbler interoperates with the free Commander, DXKeeper, and SpotCollector for transceiver control, logging, and spotting.

SkySweeper - Provides most advanced digital signal processing (DSP) functions to be used together with your HF receiver. All signal processing is done in your PC and no extra hardware is needed. HF/VHF rx & tx and analysis software introducing free advanced SkyBoost and MFSK16 modes!

Zakanaka  ^pop - A digital mode decoding and terminal program that uses no terminal unit, terminal node controller, or multimode hardware. It does all its decoding using the sound card inside the computer, and it can interface with a radio using a COM port. Zakanaka is an extremely cost-effective way of operating PSK31 and RTTY

Zelscope  ^pop - Zelscope is a Windows software that converts your PC into a dual-trace storage oscilloscope and spectrum analyzer. It uses your computer's sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the signal - which can be music, speech, or output from an electronic circuit.

AAVoice digital voice processor Priority listing - "Digital voice processor for amateur radio operators. It use prepared ""wav""-files for transmition. Can work in the beacon mode. Optionally you can use simple circuit for PTT-control. It has a lot macros for tramsmitting. Can cooperate with RZ4AG AALog logger."

ICOM CI-V Interface schematic - G3VFP schematic for the ICOM CI-V interface with PTT and CW Keying

SSB and CW Filter - A pdf file with schematics of an ssb and cw filter AF amplifier