us geological survey observatory improvements

U.S. Department of the InteriorU.S. Geological Survey

US Geological Survey Observatory ImprovementsCarol A. Finn and Alan Berarducci

USGS Geomagnetism Program

2010 IAGA Workshop, Changchun, China

USGS Observatories

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

New Deadhorse Observatory

New Deadhorse Observatory

New Barrow Observatory Building

New Barrow Observatory Building

New Fresno Observatory Building

New Fresno Observatory Building

Electrical Upgrades

Guam

HonoluluSan Juan

Boulder

Guam Office and Warehouse Buildings

Newport Observatory Water System

Newport Observatory Water System

Newport Observatory Water System

Remote Heating & Air Conditioning Systems

Remote Heating & Air Conditioning Systems

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

Geomagnetism Web Pages

USGS Geomagnetism Program: http://geomag.usgs.gov/

Realtime web page: http://geomag.usgs.gov/realtime/

Heat Source Noise Tests