morse code guide

Automatic Band Decoders - To build a Band Decoder to drive our remote relays, we need to supply the band information from the rig to the decoder

SpiderBeam construction guide - Build a spiderbeam from scratch for 20-17-15-12-10 meters band

Building the WiFi parabolic antenna Priority listing - Building a Bell ExpressVu satellite dish with a waveguide coffee can cantenna feed, and a Netgear USB Rangemax wifi card (WPN111).

Do-It-Yourself Wireless Antennas - Your guide to wireless antennas, how to build a wireless antenna without spending much money The Pringles Cantenna, Coffee Can Antenna, Parabolic Reflector and Antenna Designs. Combine a homemade Tripod Mount with an inexpensive Pistol Grip and go Wardriving.

The Considerate Opertator's Frequency Guide - An ARRL guide to where on the HF bands various modes and activities are generally found.

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

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

Milestone Technologies - Morse Keys, Keyers, Keyboards, and Keyer Paddles, electronic parts, QRP transceivers, books and tools

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

IK6BAK Telegraph Keys Collection - Collection of Telegraph Keys & related items

MorseMad - Collection of morse keys

PacketRadio primer - The Packet Radio beginners guide to packet radio operating by Buck Rogers K4ABT

Guide to Solar Activity - Paul Harden NA5N has produced a superb guide to solar activity and HF propagation for the QRPer

N0NBH Solar Terrestrial Data - Add Solar-Terrestrial data to your website, by adding a simple html code to your pages by Paul L Herrman

DK9IP - A Band Decoder for the TS-850 - A Band Decoder for the Kenwood TS-850 HF-Transceiver by Winfried Kriegl DK9IP/KH7CD (April 2001)

PlanePlotter - PlanePlotter receives and decodes live digital position reports from aircraft and plots them on a chart. Using PlanePlotter, you can see a radar-like display of all those aircraft around you that are transmitting the appropriate digital messages including ACARS, ADS-B and HFDL.

TWCW - This linux program will send Morse Code via soundcard or serial port by WA0EIR

EhoCW - CW Keyer software by F8EHO keyer and decoder functions, with interfaces with emitter/Receiver, memories, variables for call sign, mp3 and wav morse conversion, direct keyboard keying, joystick or serial interface for a morse key

ILG Rig Control - International listening guide (ILG) ILG Short Wave Radio Control Program

Codec 2 - Codec2 is an open source low bit rate speech codec designed for communications quality speech at around 2400 bit/s. Applications include low bandwidth HF/VHF digital radio.

Simple adjustable passive attenuator - This adjustable passive attenuator works as a "waveguide beyond cutoff." It can be constructed in about ten minutes from parts available locally.

HI-FI Audio with Kenwood TS-850SAT - Setup guide for DSP-100 and TS-850

AVR Beacon Keyer Project - Description of an HF beacon keyer with telemetry. What makes the keyer rather different is its versatility - it is a multi-mode unit, with ASK and FSK modulation, sending Feld-Hell and Morse on command.

Opto Electronics - About Opto Electronics

DTMF Squelch and remote control decoder - This article describes how to build a general purpose DTMF decoder with a low-price chip from MITEL