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Experimenting is fun.


The main goal of the site is to share my experiments!

Mainly focusing on software radio!


My Blog

Radioberry PCB available
Posted by: Johan Maas - 21/01/17 @ 7:16PM
Radioberry PCB available.
I still have 5 PCB for building a radioberry available.
For the cost of only the postage it is yours.
Please send me an email (
The following people do have a pcb and are assemble the radioberry or already working with it:

Radioberry Standalone
Posted by: Johan Maas - 30/12/16 @ 4:09PM
Radioberry and Touchscreen 
Christmas holiday makes it possible to assemble the rpi-3 together with the touchscreen and rpi-case making a standalone transceiver by using the radioberry.
Using the (modified) pihpsdr code of John Melton result in a nice looking system.
Front of the...

SDR User interface
Posted by: Johan Maas - 06/11/16 @ 3:50PM
Much discussion is going on about SDR user interfaces. Radio amateurs  are facing a complex radio interface. A lot of superfluous information, labels, widgets are presented in the different radio modes.
Making a tailored user interface for every radio mode is a big wish for many amatuers...

Posted by: Johan Maas - 04/06/16 @ 8:22PM
Using a raspberry pi together with a radio cape, an extensions board, will give you a nice small radio.

At you can find more detailed information.
Later more here .....
73 Johan PA3GSB

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