• Charles Martin Hall Science Building at Berea College - 16" (0.4M) B&C major upgrade; retrofit control system; Berea, KY USA 2006

• Whitin Observatory at Wellesley College - 24" (0.6M) B&C retrofit; Wellesley, MA USA 2005

United States Air Force Academy - 24" (0.6M) control system upgrade; Colorado Springs, CO USA 2005

• University of Calgary at Rothney Astrophysical Observatory - 20" (0.5M) Baker-Nunn major optical systems, fork mount, TCS upgrades; Alberta, Canada 2004

• Chabot Space and Science Center - 36" (0.9M) custom control systems, software, drives; Oakland, CA USA 2003

• NOAA National Oceanographic and Atmospheric Administration - 85' (26M) antenna control systems, major upgrades; Fairbanks, Alaska USA 2003

• NOAA National Oceanographic and Atmospheric Administration - 85' (26M) antenna control system, major upgrades; Wallops, VA USA 2003

• Mt. Megantic Observatory at University of Montreal - 63” (1.6M) Perkin Elmer retrofit control system, observatory dome control; Quebec, Canada 2001

• Boyden Observatory University of the Free State - 60" (1.5M) major upgrade; retrofit control system; Bloemfontein, South Africa 2001

• Pine Mountain Observatory at University of Oregon - 24” (0.6M) B&C; Bend, OR USA 2001

• PARI Pisgah Astronomical Research Institute - 85' (26M) radio astronomy antenna retrofit control system; Asheville, NC USA 2001

• McMath-Pierce East Auxiliary Heliostat - rebuild structure & drives, retrofit control system; Kitt Peak, AZ USA 2000

• Lowell Observatory - 16" (0.4M) B&C; Flagstaff, AZ USA 2000

• University of Rochester - 24" (0.6M) B&C; Rochester, NY USA 1999

• Sutherland Station SAAO - 30" (0.75M) Grubb Parsons; Cape Town, South Africa 1998

• Dearborn Observatory Northwestern University - 18" (0.45M) Alvan Clarke; Evanston, Illinois USA 1998

• 1/10 model of Mount Palomar 200" Corning Community College - 20" (0.5M) Corning, New York USA 1998

• Oliver Observing Station Monterey Institute - Research & Astronomy - 36" (0.9M) Chews Ridge, California USA 1998

• University of London Observatory University College London - 24" (0.6M) Ealing-Beck; London, England 1998 & 1991

• Moorehead Observatory University of North Carolina - 24" (0.6M) B&C; Chapel Hill, North Carolina USA 1997

• Fan Mountain Observatory University of Virginia - 40" (1.0) M C. W. Jones Engineering; Charlottesville, Virginia USA 1996

• USAFA Observatory Unites States Air Force Academy - 24" (0.6M) B&C major upgrades; Colorado Springs, Colorado USA 1995

• Sproul Observatory Swarthmore College - 24" (0.6M) B&C Group 128; Swarthmore, Pennsylvania USA 1992

• Whitin Observatory Wellesley College - 24" (0.6M) B&C; Wellesley, Massachusetts USA 1991

• Fick Observatory Iowa State University - 24" (0.6M) Group 128; Ames, Iowa USA 1987

• C.T.I.O. NOAO - 36" & 40" (0.9M & 1.0M) B&C; La Serena, Chile 1985

• C.T.I.O. NOAO - 60" (1.5M) B&C Westinghouse; La Serena, Chile 1984

• Retrofit Control Systems

• Rebuilding

• Consulting