It was initially targeting those who were new to Morse Code or who were no longer as proficient as they once were (for whatever reason). My original design brief was to create a device that allowed Morse Code to be sent by typing text on a keyboard rather than using a Morse key. While you could use any number of Arduino modules, I chose the Nano for its small size, which enabled a compact unit. My Morse Encoder is base on a Arduino, specifically the Arduino Nano. And so, the idea of building my own Morse encoder was born. In the process I was curious to note that there were a number of commercially manufactured Morse decoder units available, although reports on their performance varied but there wasn’t much I could find in the way of Morse Generators. Having recently returned to amateur radio after a long absence, I started looking for on-line Morse training websites in the hope of recovering some of my proficiency. I had studied Morse Code back in the 1980’s as a requirement for my advanced AOCP and used it regularly enough to maintain a reasonable proficiency for a number of years. If you have a 16 bit sound card installed then use the 16 Bit setting.The VK2IDL Morse Encoder came about more from a desire to build some interesting electronics projects rather than a need to actually send Morse code. The 32Bit setting is supposed to provide higher dynamic range when a true 24 Bit sound card is installed. The sound card sample setting to 32 Bit will require Win7 I cared a lot for keeping the CPU load low,- so i think this program can run on any general purpose PC, Laptop or Netbook. The general rule for the MRP40 graphic is: "what you see is what your hear" The "CW Center option" allows you to adjust the audio out to your personally preferred CW Audio tone frequency level (Vertical scroll) In the Frequency settings box you choose SSB or CW Bandwidth and adjust it with the vertical slider to your needs This way the frequency scale shows actual values. Just set it to the actual Quartz or VFO Frequency(in KHz) of your hardware frond end. In the middle of the axis of spectra display you can edit the green number "0". Tuning is straight and easy: Just click into the waterfall,- keep mouse button down and drag.įor fine tuning you do a right button mouse click to any position in the upper waterfall,- keep mouse button down and drag. (Tuning is refined 1:50) => 1Hz accuracy! The output audio volume is coupled to that as well. With the horizontal scroll bar on the main Window you adjust the color contrast of both graphic displays at the same Initially you need to care for the sound card settings (click Options- show- sound card) Update from MRP40 to MRP40-SDR price: € 26,25 Euro Readme first!įor those who do not have SDR transceiver front end hardware with IQ signal output, I recommend the usage of normal MRP40ĭownload and try the full functional 30 day trial of normal MRP40 version 66.Īny version normal price: € 52,50 Euro (to look up the price in other currency go to currency converter) Readme first!ĭownload and try the full functional 30 day trial of MRP40-SdrPlay-RSP2 version. Sampling Rates: 48, 96, and 192 KHz (16 or 32 Bit)ĭownload and try the full functional 30 day trial of MRP40-SDR version for Soundcard IQ inputĭownload and try the full functional 30 day trial of MRP40-SdrPlay-RSP1 version. MRP40-SDR also can transmit morse signals via I-Q output. Plus a tuning front end for incoming I-Q Signals ![]() This program consists of the well known MRP40v64 MRP40-SDR works with external SDR transceiver hardware that provides IQ-input signal like Softrock, KX3 or similar MRP40 Morse Decoder for I-Q input signals:
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