WLBH Site Information Form Repeated French Absolute Gravity Network ResRef 0. Form Prepared by (full name) : Jean-Paul Boy Date Prepared : 2022-09-15 1. Site Information Site Name : Chalet du Welschbruch Four Character ID : WLBH City or Town : Barr Zip code : 67140 Country : France Approximate Position Latitude (N is +) : +48.41600 Longitude (E is +) : +07.35100 Ortho. height : 765.00 First measurement : 1997 (FG5 #206) 2. Site Data and Parameters 2.1 Pillar : Magnetic Cave Vertical Gradient : -2.670 uGal/cm Nominal Air Pressure : 924.66 mbar 2.2 Pillar : Gravity Shelter Vertical Gradient : -3.230 uGal/cm (measured in 2019) Nominal Air Pressure : 924.66 mbar 2.x Pillar : Vertical Gradient : Nominal Air Pressure : Local tide model : No Additional Information : 3. Colocated instruments GNSS : WLBH since 2000 (RENAG) DORIS : SLR : Supercond. Gravimeter : 4. On-Site, Point of Contact Agency Information Agency : Ecole et Observatoire des Sciences de la Terre Preferred Abbreviation : EOST Mailing Address : rue Rene Descartes 5 : F-67084 Strasbourg Cedex : France Primary Contact Contact Name : Jean-Paul Boy Telephone : +33 3 68 85 01 09 E-mail : jeanpaul.boy@unistra.fr Secondary Contact Contact Name : Jean-Daniel Bernard Telephone : E-mail : jd.bernard@unistra.fr