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Amateur Radio Operator’s Guide to JOTA - Downloadable brochure (PDF) that provides a handy guide to Amateur Radio terminology, instructions on making a contact, phonetics, a Morse code dictionary, rules on 3rd party operation and amateur radio courtesy.

QSL - Proper postal addressing - Proper postal addressing ensures quick and efficient handling of your QSL

Postal Code Lookup - The Address Doctor, postal code lookup engine

Position of the address on the envelope - Direct QSLing require to correctly positioning the address to enable rapid optical reading and manual sorting and delivery

DX Code of Conduct - Improve ethical conduct. Unpleasant, uncivil, impolite behavior of our fellow hams reduces the enjoyment of our hobby. What You Can Do to Improve DXEtiquette

MorsePal - Making Morse Code friends on and off the air. - This website helps you connect with others interested in using morse code for fun.

Morse Code Sound Samples - G4UCJ morse code table with mp3 morse audio samples

Ham Radio and morse Fonts - Amateur radio windows fonts with slashed zero and Phi also listed some morse code fonts available to download

M0RSE - A special callsign to celebrate Morse Code

The Radio Telegraphy High Speed Club - HSC Club official web page

Operating High Speed CW - K0RU article on high speed morse code

High Speed CW Nets - PDF File with a list of US CW Nets dedicated to High Speed Morse Code operations

MorseFusion: The novel way to learn Morse code. - Learn the new, natural way: Have a novel of your choice spelled out in English letter by letter. Letters and numbers gradually get replaced by Morse code.

PSK31 Fundamentals and Setup - Background: The PSK31 philosophy, The QPSK mode, Varicode, Sound Card DSP Setup and Operating Tips

Codec2 - Codec2 is a open source low bit rate speech codec designed for communications quality speech at around 2400 kbit/s. Applications include low bandwidth HF/VHF digital radio.

WinTone DTMF Decoder - WinTone v2.02 id a windows DTMF Decoder

DTMF reader for iPhone - DTMF reader decodes dtmf tones, it is easy to use and with a log to save codes you like.

Morse Code MIDI & Text Generator  ^updated - Online morse code MIDI & text generator.

ProFF-Morse - French morse code learning software for windows

WinradHD - WinradHD is a Software Defined Radio (SDR) freeware application by DG0JBJ for Microsoft Windows 2000/XP/Vista/7 and based on the open source code of Winrad, written by I2PHD.

A PIC16F84 based CW Decoder - CW decoder project that automatically adapts itself to the CW rate and may be employed for learning purpose substituting the traditional tone generator and offering the capability of displaying the keyed code.

Band decoder - Automatic and decoder project by sm3wmv

Improved PL Tone encoder - N1HFX project to improve PL tone encoder providing a more stable frequency

N1AL Ultra-lightweight Morse Keyer - Homemade ultra-lightweight Morse code keyer paddle

OZ2CPU digital wattmeter - Plans and hex code for an RF wattmeter based on an Analog Devices AD8307 log amplifier.