![Find and listen TETRA Network in your area](https://www.f4huy.fr/wp-content/uploads/2016/03/dongle-sdr.jpg)
Update 9/9/2016 I have write something for non friend linux users, a script (bash) for load all components in the same time, flow-graph are also…
![PG03 MiniGPS and tracking recorder](https://www.f4huy.fr/wp-content/uploads/2014/04/pl410961-mini_navigator_dt_efnpg03_displaying_accurate_time_synchronized_by_satellite.jpg)
First version : 24.04.2014 I have just retrieved a small gps buy from ebay, called Mini GPS (enf pg03), cost around 20€ …It is a…
![Retro engineering on a pager, Tatoo Hack](https://www.f4huy.fr/wp-content/uploads/2013/04/tatoodissoc2.jpg)
This hack, backward me in 1996/1998 during my college years, the pager system was at its peak, there was 3 commercial services and networks here, in…