1. U.S. Department of the Interior U.S. Geological Survey US Geological Survey Observatory Improvements Carol A. Finn and Alan Berarducci USGS Geomagnetism Program 2010 IAGA Workshop, Changchun, China

2. USGS Observatories

3. Observatory Improvements  Deadhorse, Alaska – new observatory  Barrow, AK – new observatory building  Fresno, CA – new observatory building  Guam – new office and warehouse buildings  Electrical upgrades at SJG, HON, BOU, and GUA  Newport, WA – rebuild water system  Multiple locations – remote HVAC systems  Multiple locations – baseboard heaters

4. New Deadhorse Observatory

6. New Barrow Observatory Building

8. New Fresno Observatory Building

10. Electrical Upgrades Guam HonoluluSan Juan Boulder

11. Guam Office and Warehouse Buildings

12. Newport Observatory Water System

15. Remote Heating & Air Conditioning Systems

17. Heat Source Noise Tests  Magnetometer output at 50 cm  Glass panel heater: 1260mV peak to peak noise  Hydronic Baseboard heater: 392mV peak to peak noise

18. Geomagnetism Web Pages  USGS Geomagnetism Program :  http://geomag.usgs.gov/  Realtime web page:  http://geomag.usgs.gov/realtime/

19. Heat Source Noise Tests