All the spacing was locked to ideal morse code at the speed it averaged from receive.
More info: CwDecoderLogicV1005.pdf Download: CwDecoderLogic v1005 (28559 downloads) New free Cw Decoder Logic v1.0.0.4 release 2016.11.08 Changelog: 1. It took what it got timing wise from the sender and used that to transmit back. New free Cw Decoder Logic v1.0.0.5 release 2016.11.10 Changelog: 1. The program would do a guess to supply a missing dot or dash to generate a character based on what it heard and looking up valid Morse code characters. Those who used iambic keyers, vibroplexes and such it would do real well in getting a proper decode. It even calculated the approximate speed in WPM and displayed it. I used a subroutine that checked once a second to see when the characters were actually arriving and the length of dots, dashes and spaces the operator was sending adjusting the sample timing to fit. It started out at 8 WPM using the weights suggested for sending proper CW. In closing, CW Decoder is a reliable application if you want to decode or encode messages sent using continuous wave signals.Click to expand.Way back in the dark ages of 8bit I wrote a 6502 machine language cw decoder program on the Atari. The third and final mode enables the application to decode CW and present it in text form.ĬW Decoder is also capable of transmitting data using a COM port and enables you to synchronize to a receiving speed. In manual mode, it acts like a decoder in which you can type text.
The first one, ‘Scan’ mode enables the application to function as a spectrum analyzer with a graphical display. The application can be set to work in three different modes. Since CW Decoder uses text for the translated signals, its equipped with a scrollable text window in which you can adjust the text size and obviously, you can save the text itself in a TXT file. Having this option switched on can consume a bit of system resources but that only applies to computers with a processor that has less than 300 MHz capability. Since the application is used to process sound, one of its features is an audio filter that uses a noise reduction algorithm when the signal is processed. Threshold levels for the signal can also be set and you get auto, quiet, noisy and manual to choose from. You are able to choose between two displays modes, line and waterfall. The application can display a graphical spectrum, text, signal strength, code status, WPM counters and an overload indicator for the input signal. If you're not familiar to this sort of application, then you need to read the help manual page by page to understand each button, slider and option.
These waveforms are used to carry information and the best example for this is Morse code.Īs far as the interface goes, it’s not that comprehensive for the average user. CW Decoder is an application created to help you view and display continuous waves in a simple manner.
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