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 and Northern Mariana Islands	American Samoa
HYBRID GEOID MODELS	GEOID09 GEOID03 GEOID99 G99BM GEOID96	GEOID09 GEOID06 GEOID99 GEOID96 ALASKA94	GEOID09	None Exist	None Exist	None Exist	GEOID09	GEOID09
GRAVIMETRIC GEOID MODELS	USGG2009 USGG2003 G99SSS G96SSS GEOID93 GEOID90	USGG2009 USGG2003 GEOID99 GEOID96 ALASKA94	USGG2009 GEOID99 GEOID96 GEOID93	USGG2009 GEOID99 GEOID96 GEOID93	MEXICO97	CARIB97	USGG2009	USGG2009
HYBRID DEFLECTION OF THE VERTICAL MODELS	DEFLEC09 DEFLEC99 DEFLEC96	DEFLEC09	DEFLEC09	None Exist	None Exist	None Exist	DEFLEC09	DEFLEC09
GRAVIMETRIC DEFLECTION OF THE VERTICAL MODELS	USDOV2009 DEFLEC93 DEFLEC90	USDOV2009 DEFLEC96 DALASKA94	USDOV2009 DEFLEC99 DEFLEC96 DEFLEC93	USDOV2009 DEFLEC99 DEFLEC96 DEFLEC93	DMEX97	DCAR97	USDOV2009	USDOV2009

GEOID and DEFLECTION models at NGS