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TDRM makes radiation visible

The TRDRM project creates transparency. Citizens—Belgians, Dutchmen or Germans—shall, at any time, be able to keep an eye on the current state of environmental radioactive radiation in the areas potentially affected by a nuclear accident. It is our mission to instigate, by means of our approach, authorities and political bodies to strive for more transparency also on their side.

Infrastructure of TDRM

The Network

The TDRM network is destined for the monitoring of atmospheric radioactive radiation in the Tihange-Doel-Aachen area. With first sensor stations installed in the field the network is actually operated testwise. Its Website offers a geographical overview of the positions of installed sensor stations, a survey of present readings, and detailed temporal representations of the radiation level.

The Project

TDRM is an independent citizens-based project. The network is operated by a special working group of Computer Professionals for Peace and Social Resposibility (FIfF). The group maintains contacts with Aachen-based members of International Physicians for the Prevention of Nuclear War (IPPNW) and with the Aachen Alliance against Atomic Power (AAA).


The operators of the network do not take any responsibility for reliability and correctness of the readings, see also page Gamma radiometry. As well the operators are not liable for abusive intrusion into sensor stations or servers, or for any exploitation of the provided data by third parties.

The copyrights of all measuring data and their grafical representation are with the operators of this website. The operators are cautioning against any exploitation of their data for the purpose of the generation of any type of alert and, in particular, a public disseminination of such alerts. They prohibit any commercial utilisation of their measuring data. In the case of violation the non-authorised user will explicitely take on all risks and accept the full liability for any consequences.

Since these Pages are still under work, it is not always possible so sychronize changes in all offered language versions in due time. Coordinates given for locations of sensor stations are obscured by a random shift for the sake of anonymisation.

Apr 12, 2018, 19:00: IPPNW public event in Mönchengladbach-Rheydt

Veranstaltungssaal im Ernst – Christoffel Haus,
Wilhelm-Strauß-Str. 34, 41236 Mönchengladbach
Referent: Jürgen Wintgens, Kinderarzt (IPPNW Mönchengladbach)
Details ...

April 16, 2018: see German pages

March 21, 2018: see German pages

New Year's address 2018

New Year's greetings an a report on achievements ans plans for download (in German only)

New: Tabular survey of all sensor stations

→ all current readings on a glance