![]() ![]() I bought a 10 pack of op-amps directly from China on eBay, they arrived a lot faster than I expected. Also using an oscilloscope is recommended to collect more troubleshooting information. The solution is to check the voltages of each op-amp, there are quite a few of them, and then replace the ones that aren’t working as designed. Turns out there is an issue with the pre-installed surface mount op-amps used in some of the early kits. I went off to the QCX forums to see what I could do. When I was done and went through the alignment process it didn’t work. The kit was pretty straight-forward to assemble, I am very proud of my soldering on this kit, it is the best I have ever done, but… I also bought the aluminum case and the 50-ohm dummy load. I had been waiting for the release of the QCX-mini kits for a while and was able to order one as soon as it was released. The QCX-mini is a continuous wave (CW), think Morse Code, ham radio kit that transmits and receives on one band only at around 5 watts. The best thing about the NFARL Morse Code Practice Oscillator is it is very easy to assemble and can be used without an external key so it makes a great “learn how to solder” project.Īssembled QRP-Labs QCX-mini with dummy load and replacement op-amps. This oscillator is about as basic as an oscillator can be, it includes a mono input for a straight key, a buzzer for tone, and 2 CR2032 batteries which will power it for a very long time. North Fulton Amateur Radio League Morse Code Practice Kit NFARL Morse Code Practice Oscillator – a very simple practice oscillator with a built-in touch module that acts as a straight key so you can practice without an external key. They are great for training and practice by yourself or with a group. Oscillators like the ones below are used with keys to produce the sounds that we know as Morse Code, the keys only create electrical contacts and maybe some clicking sounds, the oscillators make the dits and dahs for you without using a radio. The iambic paddle I chose is an HA8KF magnetic paddle, unlike the MFJ key this one is a work of art and will be the key I use the most until something different comes along. The straight key is an MFJ-553, in my opinion it’s an inexpensive choice without being “junk”, I doubt I will ever use it on the air. In my efforts to learn and use Morse Code I bought a straight key and an iambic paddle. Receive UDP Messages from WSJT-X Port 2237 Gridtracker Settings Preferences > Check WSJT-X and DX Lab TCP MacLoggerDX Station Settings MacLoggerDX Radio Settings WSJT-X 2.6.0 Check Enable DAX RX Streaming and choose Input Device DAX RX.Check Enable DAX TX Streaming and choose Input Device DAX TX.Software Loopback 2.2.12Ĭreate 2 Devices, DAX RX and DAX TX Loopback Settings SmartSDR 2.4.01 ![]() Then I follow-up by sending QSL cards via MacLoggerDX. This allows me to use my FlexRadio remotely and make the FT8/FT4 contacts that I am looking for without duplicates by clicking on station in Gridtracker’s roster with the contact automatically being uploaded to LOTW, QRZ, and eQSL. It is vital that the apps be launched in the order of SmartSDR, MacLoggerDX, WSJT-X, and finally Gridtracker because each one depends on the apps before it to be run. This is my setup on a MacBook Pro M1 with Ventura 13.1 for a FlexRadio 6400 for Digital Modes. This is the how I layout my screen when working digital modes. ![]()
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