Boresight calibration

---

2007 point locations and notes

Point	ETRS 89 (WGS 84)			Pos Qlty	Hgt Qlty	Pos+Hgt Qlty	OS Grid (OSGB 36)
Id.	X	Y	Z	Quality	Quality	Quality	E	N	H
1	3899990.9122	-16767.0766	5030016.9027	0.0096	0.0146	0.0175	519414.561	279216.784	44.499
2	3899983.7474	-16573.9922	5030023.1466	0.0049	0.0063	0.0080	519607.267	279231.601	44.576
3	3899977.7336	-16320.1818	5030025.6952	0.0120	0.0178	0.0214	519860.745	279244.932	42.279
4	3899843.8284	-16318.7154	5030129.9893	0.0035	0.0069	0.0077	519857.522	279414.596	43.201
5	3899738.4140	-16316.4996	5030210.5789	0.0017	0.0020	0.0027	519856.068	279547.267	42.728
6	3899731.4446	-16091.6668	5030214.0582	0.0002	0.0005	0.0006	520080.550	279561.121	40.668
7	3899489.7218	-16085.1161	5030392.4048	0.0040	0.0062	0.0074	520078.781	279861.452	34.480

Please note: point 25 on the previous survey is the same point as point 7 on this survey. As point 7 is an average solution derived from four other points + a temporary base station the result above is a far better solution..