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An updated calendar schedule of spy numbers stations in english, german, slavic, morse and digital mode

If you want to build a cw decoder without using other active components than an atmel 328 - Arduino UNO , then this is sure something for you.

A morse keyer project made on Arduino, inlcudes the main program script by m0xpd

Morse code trumps SMS in head-to-head speed texting combat

Useful hints & tips on building a 10 and 17 meter Moxon Antenna

The early 20th century saw significant advancements in wireless communication, culminating in the first successful transatlantic radio signal. This historical account details Guglielmo Marconi's pioneering efforts, from his initial experiments with electromagnetic waves to his patented wireless system in 1900. It describes the technical challenges of long-distance radio transmission, particularly the prevailing belief that radio waves would be lost due to the Earth's curvature over vast distances. On December 12, 1901, Marconi established a receiving station in Newfoundland, Canada, utilizing a _coherer_ and balloons to elevate the antenna. Signals, consisting of the Morse code letter "S" (pip-pip-pip), were transmitted from Poldhu, Cornwall, England. The successful reception of these faint but distinct signals across **1,700 miles** confirmed Marconi's theories, marking an epoch in communication history. This achievement demonstrated the viability of global wireless communication, paving the way for future developments in radio technology.

This is not a sophisticated automatic keyer but it is lot QRP to build and to have fun operatin

W5UXH version of OZ1JHM Morse Code decoder project

Schurr Morsetasten, morse code keys and paddles manufacturer in Germany

Autocode makes a selection of fine morse code identifiers for commercial and amateur radio applications.

The CWJF CW Club website is a resource for Morse code radio enthusiasts in Juiz de Fora, Brazil. It provides information about the club, its activities, and contact details for those interested in joining. The site also includes news updates and event announcements for members and visitors.

Forget Frustration: Gain Valuable Morse Skills And Increase Your Amateur-Radio Pleasure by N1IRZ

an homemade ultra lightweight Morse code keyer paddle that can be used as a manual straight key

A simple morse code practice oscillator using either PNP or NPN typr transistors

Radioaficionados - Morse - dx peditions and software

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

Hone your Morse code skills with this entry-level project. Article includes the full schematic of the CW Trainer, describes the sketch and how to operate the morse code trainer.

Basic information about learning morse code

How to connect a mose key to a pc using the standard RS232 serial ports by F8EHO

The m0xpd keyer project utilizes a PIC16F628A microcontroller, offering Iambic A and B modes, adjustable speed from 5 to 40 WPM, and variable weight control. It incorporates a sidetone generator with adjustable frequency and volume, along with a PTT output for transceiver control. The design includes a 16-pin DIL IC socket for the PIC, a 3.5mm stereo jack for the paddle, and a 3.5mm mono jack for the PTT output. Powering the keyer requires a 9V DC supply, which is regulated down to 5V for the PIC. The circuit board layout is designed for through-hole components, facilitating home construction. A detailed schematic and a parts list are provided, guiding builders through the assembly process. The project also discusses the firmware programming for the PIC16F628A, essential for the keyer's functionality. Construction details cover component placement and wiring, ensuring proper operation. The keyer's compact size makes it suitable for portable or shack use, providing a reliable CW interface.

Decoding multiple Morse code signals automatically on a noisy RF band

Connecting rhythm and language with Morse Code by Phil and David Tulga

Two cheap CMOS ICs and a few transistors was all that was required to rebuild an elderly TTL automatic morse keyer into a low current lightweight battery powered iambic morse keyer.

Marshall G. Emm, N1FN, meticulously examines iambic keying, dissecting its historical introduction in the late 1950s with transistorized electronic keyers and its purported advantages. The resource defines keying systems, electronic keyers, and various paddle types, including single-lever and dual-lever paddles, clarifying the distinction between iambic keyers and the iambic sending technique itself. It details the two main types of squeeze keying: true squeeze for alternating dot-dash strings and character insertion for specific elements within a character. N1FN critically evaluates the actual efficiency gains of iambic keying, referencing Chuck Adams, K7QO's, keystroke analysis. While a straight key to bug transition yields a 34.1% reduction and a bug to non-iambic keyer offers 16.1%, iambic keying provides only an 11% theoretical improvement. However, considering typical QSO text and Morse code's inherent optimization for common letters, the practical efficiency gain is estimated at a modest 4-6%. The article also highlights how iambic keying's reliance on precise timing gates can impose a speed limit, making it less effective above 40 WPM, where many operators revert to non-iambic methods or single-lever paddles.

Collection of morse keys

This project involves the construction of a 5 Watt Morse code beacon transmitter that operates in the 28.200 to 28.300 section of the 10 Meter Amateur Radio band. The beacon controller uses an Arduino Uno microprocessor board to produce the three signals that control the transmitter.

Handcrafted sending instruments for the Morse enthusiasts. K4VIZ Morse keys and paddles manufactured by K8UL.

Gnerate morse code at various speeds and with lots of different types of content, everything from individual letters up to a full QSO.

Convert any text in morse code mp3 file, you can choose speed from 5 to 50 wpm and tone frequency

This code practice oscillator project uses a 555 timer IC. Includes a Schematic Diagram of the morse code oscillator

Telegraphy collection, telegraph, sounder, relay by F8JZR in french

Presents a concise guide for Amateur Radio operators participating in Jamboree-on-the-Air (JOTA), an annual event connecting approximately 500,000 Scouts and Guides worldwide via ham radio. The resource details how to initiate a voice contact, including the use of "CQ Jamboree JOTA" and proper signal reporting with the RST system. It also outlines the typical exchange information, such as name, QTH, Scout rank, and age, encouraging participants to practice their responses. Authored by Bill Wetherill, N2WG, the brochure provides a practical phonetics chart and a comprehensive Morse code dictionary, including punctuation and prosigns like AR and SK. It clarifies rules for third-party operation under the direct supervision of a licensed operator, noting restrictions on international contacts without specific government agreements. Additionally, the guide lists recommended World Scout Frequencies for SSB and CW across 80, 40, 20, 17, 15, 12, and 10 meters, emphasizing courteous operating procedures. It includes a section on common Q-signals like QRM, QRN, and QSL, alongside the Amateur's Code, which stresses considerate, loyal, progressive, friendly, balanced, and patriotic conduct.

30 meters beacon from UK. QRSS is a method of sending very slow morse code.

An open design exercise in interface archaeology, that decodes the input from a classic Morse key to send twitter messages

Morse code speedometer project using the 16F84 PIC

Over 15 years of operational notes are documented on the AA6E Station Log, covering diverse amateur radio topics. The blog presents detailed accounts of station setup, antenna experiments, and digital mode operations, often featuring specific equipment like the _Ten-Tec Orion_ transceiver. It includes practical discussions on **station grounding techniques** and insights into PSK31 Morse code communication. The resource provides a chronological record of Martin Ewing's amateur radio activities, offering firsthand perspectives on equipment performance and operational challenges. Content often includes technical observations and solutions developed through practical experience, such as optimizing antenna systems for various bands. Specific entries detail contest participation and DX chasing, providing context for operational decisions and results.

A two way morse code practice set by VK3YE

A page dedicated to the Morse Code contact procedure

A website for those who also enjoy Morse code telegraphy and the keys that make it.

Clark county amateur radio club serving sw washington for 75 years! come find out how our local ham club offers programs that cover everything from the history of morse code and call signs to ham radio antennas

Telegraph Key Collection, ham radio telegraphy, cw, radio telegraphy, ham radio key, morse code key collection, key collecting, El-Key, Nikey, Vibroplex Champion, Vibroplex Blue Racer 2000, Bug, J-38, J-47, Navy Flame Proof key, Bencher, CT 599 MB key, amateur radio, amateur radio history, cw history, morse code history

Ham Radio fonts that have the slash zero also morse code fonts

Commonly used abbreviations in morse code operations

The New England Historical Radio Society Inc. is an organization dedicated to the preservation of commercial Morse Radiotelegraphy on medium and high frequency.

CW Keyer Kit with capacitive touch paddle, with a lot of nice features. Easily expandable to a Morse code decoder

A Picaxe Morse Code keyer project with source code and links to useful resources by K6ACJ

Generate and download morse code practice files in the mp3 format. You can even download the texts to check the resources. Files can be generated online by selecting speed, tone and duration.

MorseExpert 1.15 decodes Morse Code audio to text, leveraging algorithms from CW Skimmer for optimal performance on weak, fading signals amidst interference on amateur radio bands. It processes audio from the device's built-in microphone or an external radio receiver via cable, optionally highlighting Ham callsigns and keywords. The application features a waterfall display with a bandwidth of 200-1200 Hz, decodes frequencies between 300-1100 Hz, and supports keying speeds from 12-45 WPM with automatic CW pitch detection. Recent updates include support for Android 15, edge-to-edge mode, improved stability, and a pause decoding button. A premium version offers an ad-free experience and user-selected text colors. Users can switch between General Text mode and Ham Radio QSO mode, which enhances word segmentation and highlights callsigns. The app also includes a frequency lock mode, text selection capabilities for copying, sharing, or saving decoded text, and provides guidance on reducing acoustic echo and constructing an audio attenuator for optimal radio interfacing.

A special callsign to celebrate Morse Code

A page dedicated to servicing and building a 10 meter band moxon Antenna