Effective period / Period of releases: 1983 - 2022

Members: Marc Upson, Thierry Gesteau, Pierre Leloup, Thomas Darnal

French heavy-punk band formed in 1977 in Sèvres (Hauts-de-Seine, Paris suburbs) under the name Globule Pulsation System. GPS disbanded in 1987. the group reformed in its original version in 2023

Line-up:
Pierre Leloup : Drums, Vocals
Tom Backerfix (Tom Darnal) : Guitar, Vocals, Backing Vocals
Patrice Bonnel : Bass
Fabrice Kersuzan : Lead Guitar
Thierry Hazard (Thierry Gesteau) : Vocals, Guitar
Marc Upson : Bass