History of a Prátlsbrun village (hobby project) – postcards, station diary and other history fragments of a Prátlsbrun village, South Moravia, Czech Republic

Bunker project in CZ – bought a bunker built in 1938 … South Moravia, Czech Republic

Iridium Satellite Constellation

My pages – Iridium satellites displayed in a real-time


TV appearance [CZ] for Czech TV (jump to 16:00) – short interview about the Iridium / Iridium NEXT Satellite Constellation (14. 1. 2017 – 14. 1. 2019 anniversary)

article [CZ] No more lost planes, new Iridium satellites will take care about that  (, 2017)

article [CZ] The Iridium Global Network – the Iridium story (, 2016)


Motorola / history and presence (self-organized exhibition dedicated to the Motorola brand, products & philosophy), Museum of West Bohemia in Pilsen , Czech Republic, 2014 my collection of Motorola items from the past, mainly old advertisements, unique promotional items, historical documents, etc. (2008 – 2013, no longer available) – Well-known CZ website about Motorola cellphones – news, long-term reviews, reportages, … Everything related to Motorola cellphones – (2003 – 2006, no longer available)