Al lot of ham's have discovered the Quansheng UV-K5 (8) radio as it offered the amazing possibility to hack te firmware and by doing so adding features like SSB reception.
Normally only high priced versions of Kenwood, Icom or Yaesu offer such possibilities, but here for a few 10euro notes you get similar possibilitities.

• Read more about Quansheng did it again..

The Raspberry Pi Pico was the first Microcontroller build by the Raspberry Pi foundation, and you know what? You can use it as an SDR !

The idea is to use the ADC of the Pico to sample and forward the data via emulated TCP/IP to a regular PC where you can run your favorite SDR software

• Read more about Piccolo SDR

In a way Ham Radio has always been related fairly closely to science. Ham's are experimenting with radio waves so exept for the approach and the more formal organisation of the science world, Ham's are a kind of scientists by themselves.

• Read more about Ham Radio and Science

I've learned about this vector analyser recently and its price and specs makes it really attractive for Ham Radio !

It is a vector network analyser from 50kHz-300MHz but via software upgrades can be expanded up to 900MHz.
So great for the HF bands, 2m and 70cm ham bands.

• Read more about NanoVNA

If you work a lot with arduino's you might run into this very annoying problem that com port numbers keep changing with each upload...

The solution is to make your operating system forget the previous serial devices that have been plugged into the USB port.

To do this under Linux type the following commands:

• Read more about Arduino IDE random port change