Geoid and Deflection Models of the National Geodetic Survey

GEOID and DEFLECTION models at NGS
	CONUS	Alaska	Hawaii	Puerto Rico and the American Virgin Islands	Mexico	Caribbean Sea	Guam	American Samoa
HYBRID GEOID MODELS	GEOID03 GEOID99 G99BM GEOID96	None Exist	None Exist	None Exist	None Exist	None Exist	None Exist	None Exist
GRAVIMETRIC GEOID MODELS	USGG2003 G99SSS G96SSS GEOID93 GEOID90	GEOID99 GEOID96 ALASKA94	GEOID99 GEOID96 GEOID93	GEOID99 GEOID96 GEOID93	MEXICO97	CARIB97	None Exist	None Exist
HYBRID DEFLECTION OF THE VERTICAL MODELS	DEFLEC99 DEFLEC96	None Exist	None Exist	None Exist	None Exist	None Exist	None Exist	None Exist
GRAVIMETRIC DEFLECTION OF THE VERTICAL MODELS	DEFLEC93 DEFLEC90	DEFLEC99 DEFLEC96 DALASKA94	DEFLEC99 DEFLEC96 DEFLEC93	DEFLEC99 DEFLEC96 DEFLEC93	DMEX97	DCAR97	None Exist	None Exist

GEOID and DEFLECTION models at NGS