code practice

DX Code for DXpeditions - A guide to help maximize the fun for all participants.

Low-frequency radio time signals - Several national physics laboratories operate radio transmitters that broadcast a time code signal.

CW Introduction - An extensive document about Morse Code in amateur radio edited by W5ALT

Police Radio Scanner Codes - List of police, fire and emergency scanner codes listed in numerical order.

Numbers & Oddities - Numbers stations and other odd radio stations, espionage, jamming, cryptography, code messages, sigint

Training fast CW on Android (Koch method) - Free Morse Code CW training software for Android supporting the Koch method

DroidNavtex - DroidNavtex is able to decode NAVTEX messages from your receiver through the Android phone or tablets microphone or through a connected interface.

ASAP - Antenna Scatterers Analysis Program, is a Free general purpose antenna analysis software program for numerical electromagnetic antenna design, modeling and analysis. Source code and windows executables are available.

HamStudy.org - Study for your ham radio license with hamstudy.org, a free suite of study tools with user contributed explanations for the questions. Learning flashcards and smart practice tests ensure that you see and learn the full pool while statistics enable you to track your progress.

Online Morse Code Game - An online morse game that can be used both to learn receivind and trasmitting morse code

Xoscillo - A multiplatform software oscilloscope and logical analyzer software that acquires data using an arduino or a parallax USB Oscilloscope

WKRemote - This application allows two Winkeyers to be linked over the Internet for Morse code exchanges or for remote keying of a station.

CAT5e Wiring Diagram - CAT5 T-568B Colour Code for RJ-45 Plug

CW Keyer with WinKey emulation - A CW PIC based keyer [16F688] which can be used in WinKey emulation mode, works with CW software that supports WinKey, or use with any terminal type program. Hex code is FREE.

Opendous - Upconverter  ^new - Upconverter MF/HF Converter for Receivers. Converts signals in the MF and HF Bands to signals in the VHF Band. Intended for use in receiver applications with projects like RTL-SDR/SDR#/FunCube Dongle, or to listen to AM radio using an FM receiver.