Nevertheless, CW Decoder is unique, useful, and free, and we recommend it to anyone with an interest in Morse code or amateur radio. chm files we feel this should be a problem for the developer, not the user. Our only real gripe is the Help file, which won't open in some recent versions of Windows, such as 64-bit Windows 7, due to a known issue involving. However, the program did decode radio signals to text, and that's what we wanted it to do-it's up to you to configure it to your own system. After much fiddling, we managed to get a scrolling text display, though unfortunately not in readable English. If, like us, you don't happen to have a ham radio at hand, we recommend trying one of the many sites online for learning or using CW. New users will probably need some time to sort it all out it's actually quite a basic setup but with lots of options. Variable displays for signal-to-noise ratio, peak frequency, and other readouts run along the bottom of the interface. On the taskbar, there are menu items like AFC (Automatic Frequency Control) and Transmit, interface sliders for Rx Gain, Rx Coarse, Nx Blank, Tx Sync, and Squelch, and looping controls that are common in amateur radio components and software. ![]() Its hands-free operation means you don't have to stop keying to click the mouse.ĬW Decoder's colorful, feature-packed interface is a bit busy for our tastes, but its close resemblance to an amateur radio's faceplate will be familiar to many of the program's users, and many of the controls will be, too. It can decode Morse code signals received on a radio at up to 50 words per minute, and it can transmit Morse code tapped out on your keyboard, keying a radio transmitter button via the PC's serial port. Which brings us to CW Decoder, a free application from WD6CNF. The Internet uses the same basic technology, and probably the same wires, too, in some places, so it's appropriate that we should take a look at software for sending and receiving Morse code via a PC. Known by the shorthand CW, Morse code is a direct ancestor of computer code. Most people know what Morse code is, too: Named for its inventor, it's the dots and dashes that the telegraph man so dramatically taps out on a metal key in old Western movies. I will try to find the cause for the malfunction or include your phone model in a list of not working devices.OK, Computeers! What's the oldest form of electronic communication? If you said the telegraph, you're right. It is important that you include the model of your device. I will then refund you the money as fast as possible. If the 15 minutes passed and you are not happy with Morse Decoder email me as soon as possible at Please include your name and the model of your phone in the email. If Morse Decoder doesnt work on your device you can uninstall Morse Decoder within 15 Minutes for a full refund (This is the time frame given by Google and I am not able to change it). However, since we are not able to test the performance on all 150+ Android devices there is the possibility that Morse Decoder will not work on all devices. It has been tested on several Android devices and it performed very well or even better than PC based decoding software. When it’s too noisy for its internal microphone pickup, you can connect the MFJ-461 to your receiver with a cable. A serial port lets you display CW text on a monitor using a computer and terminal program. ![]() ![]() This is the first version of Morse Decoder. AutoTrak automatically locks on and tracks CW speed to decode high- and low-speed Morse code. ![]() Speeds of less than 4 Wpm (Words per Minute) to more than 50 Wpm can be decoded.įor any question please visit our new forum at The detected signal will be shown as a graph and several algorithms will then detect the speed of the Morse code and convert them into readable text. The DSP filter is followed by an automatic gain control (AGC) to compensate for changing signal strengths. A narrow band DSP filter can be set for the frequency of the Morse code tones by tapping the waterfall. Morse Decoder includes a "waterfall" to show a frequency spectrum of about 50Hz to 2300Hz. Morse Decoder can be used by Ham Radio (Amateur Radio) operators or anyone else interested in decoding Morse code from a Radio or any other device. Morse Decoder decodes Morse code characters through the built-in microphone of your Android device.
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