He didn’t have an amateur radio license, so he decided to use it as a police scanner. Since the schematics were available, he cracked it open and ... over I2C using an Arduino.

So [Todd] has set out to build an Arduino frequency counter for a Kenwood TS-520S HF ham radio. This post (and the video found after the break) doesn’t cover the entire project. It’s rather ...

As ARRL president, [Rick Roderick, K5UR] spends a significant amount of time proselytising the hobby. He has a standard talk about amateur radio that involves tales gleaned from his many decades ...

The Ham Radio All-in-one cable (AIOC) is a small PCB attachment for a popular series of radio transceivers which adds a USB-attached audio interface and virtual TTY port for programming and the ...

Even though manufacturers of handheld ham radios have been busy adding ... If you’d like to modernize your handheld radio’s power source, take a look at what [jephthai] did to his Yaesu.

We’ll save you from grabbing the calculator. That’s around 475 kHz and 136 kHz. Ham radio operators have long used digital modes like radio teletype and with restrictions on antennas and ...

Most radio circuits are tuned to pretty close tolerances and going from 27 MHz to 50 MHz seemed like quite a leap. The answer? An Arduino and a few other choice pieces of circuitry. In particular ...

The Internet killed newspapers. Video killed the radio star. Is FT8, a new digital technology, poised to kill off ham radio? The community seems evenly divided. In an online poll, 52% of people ...

Many Ham Radio operators in the United States participate in Field Day. This is an annual exercise where radio operators are encouraged to set up stations in conditions that might occur after a ...

Of course, you could build all this yourself and use the same open source software, but it is nicely packaged. [Ham Radio DX] says you don’t need to know much about the Pi or Linux to use the ...

Building radio receivers from scratch is still a popular ... and everything is controlled by an Arduino including a small LCD screen which displays the current tuned frequency.

There was a time when a ham radio set up sported many dials and switches and probably quite a few boxes as well. Computers have changed all that. Some transceivers now have just a few buttons or ...