Texts

Event Correlation Engine

[2009]

My master's thesis on real-time correlation of events from hosts in a global network.

Yagi-Uda Antenna

[2009]

Creation of a directional wireless LAN antenna.

DAB Software Receiver

[2008]

Semester thesis on creating a DAB software receiver for GNU Radio.

GeekClock

[2007, German]

Building a binary LED clock with an Atmel MCU. This documents also discuss electronics basics.

Privacy - The Right to be Left Alone

[2006, German]

About data gathering by organisations and the government in Switzerland.

Formulary for Ham Radio

[2003, German]

Collection of formulas I wrote for the test to get my Ham license.

Presentations

Fixit

[2009, mostly German]

How to fix your electronic stuff when its broken.

ePass

[2009, German]

About electronic passports and attacks against them.

Cheating Time

[2006]

On the construction of a DCF77 transmitter to spoof the time signal.