All solutions relative to VNDP.
									N, m		E, m		 U, m

USGS 2 - JPL 3 (49 common stations)	mean				-0.0066		0.0044		-0.0053
					rms	 			 0.0069		0.0061		 0.0073
					rms w/ mean diff removed	 0.0022		0.0042		 0.0050
									
USGS- SIO 2 (65 common stations)	mean				-0.0064		0.0028		-0.0002
					rms	 			 0.0067		0.0045		 0.0047
					rms w/ mean diff removed	 0.0020		0.0036		 0.0047
									
SIO 2 - JPL 3 (87 common sites)		mean				 0.0003		0.0012		-0.0050
					rms				 0.0013		0.0029		 0.0074
					rms w/ mean diff removed	 0.0013		0.0026		 0.0055