If you do decided to build one, be sure to email K7DUN and get the latest version of the software. I’ll publish a little more about how this thing works after Paul has played with it for a while. (Paul often chides me that I sometimes crowd my characters.)Īll in all, this is a fun little project for those who want to really perfect their sending. Using this, you should be able to determine how consistent the dits and dahs that your keyer sends really are and get an indication of how consistent your character pauses and word pauses are. I haven’t tried connecting a keyer to the thing yet, but it could be useful when used with a keyer, too. There are also exercises for intra-character pause, character pause, and word pause. As you send these elements, the LCD displays the length of the dit or dah that you just sent and the target value. If your sending is way off, you can go to the EXERCISES section and practice just dits and dahs. then watch CW turn into solid text messages as. It also gives you the max and min lengths of the dits and dahs of the text you sent. Is your CW Rusty Relax and plug-in this MFJ Morse Code Reader with built-in Keyer at your operating station. Its ANALYZE function, for example, measures the lengths of the dits and dahs that you send and then calculates the average length and compares that to a target value. This little device has a couple of interesting features that I’ve not seen before. I connected up all the components as shown in the figure below, and the thing began to play. A quick email to the author, David K7DUN, not only yielded some advice, but an updated version of the software. As it turns out, the display specified in the article uses a serial interface and my 16×2 display has an I2C interface. And, since all it takes to build it is an Arduino, a speaker and a 16×2 LCD display, I already had all the parts. So, when I saw the article, “CW-ELMER Advanced Morse Code Learning System” in the January 2021 QST, I knew he’d be interested in it. MFJ-5162 - MFJ-461 or MFJ-462B to Radio 3.As I’ve written in the past, my friend Paul, KW1L, is a real CW technician. The MFJ-464 gives you everything you need to have the Ultimate CW Station. MFJ-5161 - MFJ-461 to Computer Serial Port Cable Software Videos Deals K45 CW Modem Keyer & Reader with USB Keyboard Interface. Decoding and giving with speeds from 5 to 99 WPM Automatic speed detection during decoding Large, two-line LC display Connection for single or double. MFJ-26B - MFJ-416 or MFJ-461 Carrying Case with Belt Clip Here are some accessories for the MFJ-461: Just turn it on - it starts copying instantly! Uses 9-Volt battery (not included).Įasy to use - No Instruction Manual needed! Battery saving feature puts it to sleep during periods of inactivity. When its too noisy for its microphone pickup, or when you dont want to hear CW you can connect the MFJ-461 to your receiver witha cable. Weighs less than 5.5 ounces.Ī serial port lets you display CW text on a monitor using a computer and terminal program. You can display decoded CW as text and speed or switch to all text on both lines.įits in your shirt pocket with room to spare - its smaller than a pack of cigarettes. Of course, nothing can clean up and copy a sloppy fist, especially with a weak signals with lots of QRM/QRN.Ģ-line LCD display has 32 large 1/4 inch high-contrast characters. Digs out weak signals and even tracks slightly drifting signals. This lets you re-read or check your copy if youre copying along side the MFJ-461.Ĭonsistently get solid copy from MFJs high performance PLL (phaselock loop) modem technology. The most recent 140 characters can be instantly replayed. MFJ AutoTrak automatically locks on and tracks CW speed to decode high and low speed Morse code. Its a universal language thats understood the world over in all languages. Itll help you learn the code and increase your speed as you instantly see if youre right or wrong.Įavesdrop on interesting Morse code QSOs from hams all over the world. Practice by copying alone with the MFJ-461. It makes working high speed CW a breeze - even if youre rusty. Use it as a backup in case you miss copy a few characters. No cables to hook-up, no computer, no interface, no other equipment needed! Then watch Morse code signals turn into solid text messages as they scroll across an easy-to-read LCD display. Relax and place this tiny pocket size portable MFJ Morse Code / CW Reader near your receivers speaker.
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