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About author


Bare-metal software developer. Radio amateur since 2016. Open source and hardware movement enthusiast.


Author's posts

IRC Channel

We are working hard on the new M17 protocol description. You can join us on GeekShed IRC server, channel #M17.

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Frame Description Update

KR6ZY and PE1RXQ are currently working on a new specification. A major change to the previous version is the Link Control appearance.

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Encryption On!

AES-256 encryption with static key was implemented in the newest TR-9 firmware (v. 1080). The repeater also shows if the encryption was enabled.

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Frame Description

This is just a tentative and completely preliminary frame description. The file can be downloaded here.

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M17_UDP QSO!

I have successfully made a one-way QSO with K2CR between Warsaw, Poland and Ramsey, New Jersey, USA.

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Power output measurement

The power output for 13dBm input is… almost 16 watts! Bird 4D100 power sensor outputs about 10 microamps of current (spec’d 30uA for 100W input).

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Help needed

I need some help with the project. Required skills: C programming (Raspberry Pi, STM32, PC) PCB routing (preferably KiCAD) Familiarity with 3D printing, CAD/CAM Soldering, prototyping Open mind - concept testing Have any combination of the above?

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