2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/190259Data of good quality is expected from a number of gravitational wave detectors within the next two years. One of these, GEO600, has special capabilities, such as narrow-band operation. I describe here the preparations that are currently being made for the analysis of GEO600 data.17 pages, 7 figures, proceedings of Yukawa International Seminar 1999General Relativity and Quantum Cosmologytext