digital cw

2m VHF antennas with high gain - 2m SSB/CW-12.5 Ohm Yagis with extrem high gain and small bandwidth. These Yagis were constructed as ultra-light, portable Yagis with extrem high gain. They have small bandwidth and are working from 144,0-144,8MHz with good SWR.

1TA157 Using PSK31 on cb band - CB band in Italy using latest digital modes

P40E CQ WW CW - 2002 CQ WW CW antennas and shack

IZ1GJH/B 10 meter beacon - Active on 28.321,47 MHz in CW and Qrss3

CQWW 1998 from PA3HBB - Reportage of the CQWW CW contest in 1998, with full history of the event and photos of equipment used.

Elkins Training - FCC Training - Ekins offers an fc preparatory training class for grol and for all commercial licenses, permits and endorsements, including gmdss, stcw and the 70-hour coast-guard approved course.

A Beginner's Guide to Making CW Contacts - Jack Wagoner WB8FSV, a very well done article on how start a CW QSO, how to answer a CQ, how call your CQ and more. A musr reading for beginners

HSCW and HSMS reflector - High Speed Meteor Scatter (HSMS) e-mail reflector

Sound samples of digital transmissions - Sound samples of the transmission modes recorded at 11025 samples per second, mono and the message in all of the samples is the same: "the quick brown fox jumps over the lazy dog 1234567890".

CWS ByteMark - CWS ByteMark's Baluns (Balanced to Unbalanced) and Ununs (unbalanced to unbalanced) transformers are developed jointly with Dr. Jerry Sevick, W2FMI, who is known worldwide for his work on transmission line transformers

NETCERTUS ampsequencer - Advanced microprocessor driven control board specifically designed to buffer CW key signals while switching the amplifier to transmission, it can also be used to provide proper TX delay timing for RTTY.

KK7UQ - Digital Radio - The KK7UQ computer to radio interface, sound card interfaces, IMD meters interface products

microHAM - Supply high quality accessories for your ham shack, including Band Decoders, various types of Antenna Switches, Antenna Stacking devices, special devices designed for the SO2R operator, USB Interfaces, Digital Mode Interfaces, Keyers and many others

Bitscope - An affordable high bandwidth mixed signal pc based digital oscilloscope logic analyzer.

Digital DX Live - DX Spots of digital emissions

WSJT - WSJT is a computer program for VHF/UHF communication dedicated to EME. Support FSK441 for meteor scatter, JT65: for EME and extreme troposcatter, JT6M: for meteor scatter (optimized for 50 MHz)EME Echo: for measuring your own echoes from the Moon, CW: for EME QSOs using 15 WPM Morse code

I.N.O.R.C. - Official Site - Official site of the "Italian Naval Old Rhythmers Club", gatehering CW operators from Military Navy and Civil Marine

QSK for the TL-922 and SB-220 mods - Beautifully constructed amplifiers. Unfortunately, are not suited for high speed T-R switching, a necessary attribute for operating AMTOR, QSK-CW, or SSB-VOX modes.

Radio Scanner Guide  ^updated - A guide to selecting Radio Scanners; divides both new and used radio scanners into 6 categories, based on their specifications and features - e.g. analog trunking scanners, digital trunking scanners, etc; provides specifications on each model

Batterry link - Offers batteries,replacement laptop batteries,camcorder batteries,digital camera battery,PDA batteries and battery chargers

Pocket CW - Pocket CW is a morse code learning tool for PDA running windows ce

gMFSK - Linux free multimode HF terminal program. Despite the name, gMFSK can send and receive many digital conversational modes typically used by radio amateurs on HF. Supported modes are: MFSK (MFSK16 and MFSK8) RTTY THROB (1, 2 and 4 throbs/sec) PSK31 (BPSK and QPSK) PSK63 MT63 Feldhell

Simple Electronic Keyer - A simple keyer which can be built for as little as $6 with some junk box parts. Although this circuit is not a true iambic keyer, it is capable of producing perfectly sounding CW.

SP5GJN HF amplifiers & CW Keys - Home made HF power amplifiers and CW Keys & Paddles

The ROSE 80 CW Transceiver - Build a 5 watt, 80 meter QRP CW Transceiver Designed by N1HFX