2026-04-21   Deadline 2026-05-25   Distributed acoustic sensing (DAS) interrogator (Geologian tutkimuskeskus)
Geological Survey of Finland is seeking to acquire one Distributed Acoustic Sensing (DAS) interrogator unit implementing quantitative phase-based DAS measurements to be used primarily for temporal field deployments for active and passive seismic/monitoring projects of the Geophysical Solutions Unit. Näytä hankinnat »
2025-04-10   Depth control for a Multichannel Seismic system (Geologian tutkimuskeskus)
GTK intends to procure a streamer depth control system for a multichannel seismic system onboard its survey vessel Geomari. The streamer depth control system shall be compatible with the 96-channel HydraSeis MCS streamer system of Applied Acoustics. The streamer system is a modular (24*4 channels) liquid filled digital streamer with communications coils fitted 1 per section. The system is used for marine geological surveys in the Baltic Sea. The delivery address for all supplies is Incoterms 2020 DDP at … Näytä hankinnat »
2025-04-10   Seismic sound source for a Multichannel Seismic system (Geologian tutkimuskeskus)
GTK intends to procure an impulsive seismic sound source, operated with pressurized air, for marine geological surveys conducted on its survey vessel Geomari in the Baltic Sea. The delivery address for all supplies is Incoterms 2020 DDP at GTK, Keimola warehouse Vestrantie 2C, 01750 Vantaa, Finland. Näytä hankinnat »
2024-12-19   Marine Multichannel Seismic System (Geologian tutkimuskeskus)
GTK intends to procure a Multichannel Seismic system for marine geological surveys conducted mainly on GTK’s survey vessel in the Baltic Sea environment. The system consists of a Source, a Streamer, and a Depth Control system. The offer may contain one or several items, which will be weighted and evaluated independently. The requested options for any of these items are non-mandatory. Part 1: SOURCE Description: Impulsive seismic sound source operated with pressurized air. Part 2: STREAMER Description: A … Näytä hankinnat »
2020-06-24   Broadband Instrumentation for Seismic Observations (Helsingin yliopisto)
University of Helsinki, on behalf and representing the FLEX-EPOS national consortium of universities and research institutes will carry out a purchase of seismic instruments in 2020-2024. The FLEX-EPOS consortium is chaired by the University of Helsinki (UH), Department of Geosciences and Geography and the other consortium members are as follows: University of Oulu, Faculty of Technology, Oulu Mining School (OMS), Geological Survey of Finland (GTK), University of Turku (UTU), Aalto University (AU), … Näytä hankinnat »
2020-06-22   Large-N array Instrumentation for Active and Passive Seismic Observations (Helsingin yliopisto)
University of Helsinki, on behalf and representing the FLEX-EPOS national consortium of universities and research institutes will carry out a purchase of seismic instruments in 2020-2024. The FLEX-EPOS consortium is chaired by the University of Helsinki (UH), Department of Geosciences and Geography, and the other consortium members are as follows: University of Oulu, Faculty of Technology, Oulu Mining School (OMS), Geological Survey of Finland (GTK), University of Turku (UTU), Aalto University (AU), … Näytä hankinnat »