rtty cw

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.

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

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.

Strange CW keys - Very strange morse keyers, like Onion chopper CW key, Handshake CW key, Chopsticks CW key, Typewriter CW keyboard, Refrigerator CW key by OH6DC

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

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

QRSS and you (About VERY low-speed CW) - Using absurdly low-speed CW for "communications"

QRSS - Very Slow CW - W0CH QRSS explained, with samples and software reviews

QRSS Keyer - An homebrewed QRSS CW keyer

How to work a RTTY pileup - Tips and tricks on working RTTY pileups by G0AZT

Getting started on RTTY - A complete guide from the station setup, rtty software customization, tips on tuning rtty signals and setting the proper audio level and filters by Andrew G8GNI M5AEX

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.

Linrad - Multiplatoform freeware DSP software. Linrad has its origin in software that was developed for 144 MHz EME CW but it is quite general and should be seen more like a kit for designing a receiver that a receiver for some particular usage. It can be used as a CW receiver with a small time delay and a fast waterfall graph. A dsp for conventional receiver to imporve signals readability, a spectrum analyzer.

QRS 4 - ON7YD slow CW and DFCW TX program for Windows, works with Argo. By Rik Strobbe

EasyGram - This Windows MTHELL QRSS NDB and DFCW program extends possibilities of well-known Spectrogram with some new useful features. It enables to define the scrolling area to any size, it can save screen shots in defined time periods , it enables to browse the saved pictures easily by OK1FIG

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

KWRTTY - Freeware RTTY windows decoding program in German by DGØKW, Klaus

Virtual Legacy Radio - Windows remote control for Yaesu or Icom. Displays the current transceiver settings frequency, mode, and others on the PC in an old-fashioned way that corresponds to the look of receivers in 70's. DX-Cluster Watch (DCW) is an application that automatically refreshes a web page with the dx-cluster content, parses spot lines from it, keeps a consolidated list and inserts the spots to VLR as frequency markers by OK1FIG

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.

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