Category	Requirement	Performance
Point Source Catalog
	Photometric sensitivity	10- at 15.8, 15.1, 14.3 mag at J, H, Ks respectively for |b|>10°	met for full unconfused sky; exceeded for most of sky
	Photometric uniformity	<4% maximum bias in photometric zeropoint around the sky	<2% achieved
	Photometric precision	<5% 1- for bright stars unsaturated in the 1.3 s exposure	<3% achieved
	Astrometric accuracy	<0.5´´ 1- relative to the reference frame	<0.1´´ achieved
	Completeness	>0.99 at 10- sensitivity limits	met
	Reliability	>0.9995	0.9997 demonstrated in test areas; no known source of unreliability in excess of specification
	Bright star photometry (Read_1, rd_flg=1)	<2% bias at Read_1 saturation limit (Ks~4.0 mag) <5% 1- repeatability at Read_1 faint limit (Ks~8.0 mag) <10% 1- repeatability at Read_1 saturation limit (Ks~4.0 mag)	<4% at worst 2% achieved 2% achieved
Extended Source Catalog
	Photometric sensitivity	10- at J<15.0, H<14.2, Ks<13.5 mag	met
	Photometric precision	<10% 1- repeatability for H<13.8 mag	7-10% achieved
	Photometric uniformity	<10% maximum bias around sky	<4% achieved
	Completeness	>0.90 for |b|>30°	met
	Reliability	>0.80 for 10°<|b|<20° >0.99 for |b|>20°	achieved 0.93-0.95 achieved 0.992-0.995
General Survey
	Sky coverage	>95%	99.998% imaged; 99.5% coverage in point sources; 98% coverage in extended source
Other Information
	Galactic Plane performance	No Requirements