Survey Report NX17 Y Drum

17 October 2025

Project Details

Summary

#	Hill name and point	Hill number	Easting [m]	Northing [m]	Height [m]	Feature	Minutes	Antenna height (cm)	Potential error (cm)	Date/Time
1	Y Drum col	7550	307,986.586	338,259.849	549.128	Tussock by fence	26	53	25	17/10/2025 13:29:42
2	Y Drum summit	7550	308,247.268	337,893.455	579.059	Grassy outcrop	27	26	1	17/10/2025 14:27:12
3	Cefn Dylif summit	2117	308,943.572	336,943.215	618.528	Cairn on outcrop	21	8	1	17/10/2025 15:30:42

Averaged Points Summary

Max. Distance between Average and Measurement:
Position:	0.100 m
Height:	0.100 m
Weighted Average:	Yes

#	Point ID	Easting [m]	Northing [m]	Height [m]	SD Easting [m]	SD Northing [m]	SD Height [m]	Code	Code Group	Code Attributes	Date/Time
1	Cefn Dylif summit	308,943.572	336,943.215	618.528	0.001	0.003	0.008	-	-	-	17/10/2025 15:30:42
	Use	Source	Station	Date/Time	3D CQ [m]	Pos. [m]	Height [m]	Pos. & Height [m]	Easting [m]	Northing [m]	Height [m]
	Auto	3D	DARE	17/10/2025 15:30:42	0.003	0.003	-0.046	0.046	308,943.569	336,943.215	618.574
	Auto	3D	ASAP	17/10/2025 15:30:42	0.002	0.004	0.002	0.004	308,943.574	336,943.219	618.526
	Auto	3D	SHOD	17/10/2025 15:30:42	0.003	0.005	0.013	0.014	308,943.568	336,943.218	618.515
	Auto	3D	BREC	17/10/2025 15:30:42	0.007	0.023	0.030	0.037	308,943.571	336,943.238	618.498
	Auto	3D	LICF	17/10/2025 15:30:42	0.004	0.015	0.004	0.015	308,943.566	336,943.202	618.524
	Auto	3D	MACY	17/10/2025 15:30:42	0.005	0.001	-0.009	0.009	308,943.573	336,943.216	618.537
	Auto	3D	BUXT	17/10/2025 15:30:42	0.003	0.010	0.029	0.031	308,943.576	336,943.206	618.499
	Auto	3D	BIAX	17/10/2025 15:30:42	0.005	0.019	0.034	0.038	308,943.572	336,943.196	618.494
	Auto	3D	SHRE	17/10/2025 15:30:42	0.004	0.010	-0.033	0.035	308,943.579	336,943.207	618.561
	Auto	3D	ABEP	17/10/2025 15:30:42	0.003	0.020	0.033	0.038	308,943.574	336,943.235	618.495
	Auto	3D	BLAP	17/10/2025 15:30:42	0.003	0.004	-0.027	0.027	308,943.576	336,943.217	618.555
	Auto	3D	DROW	17/10/2025 15:30:42	0.004	0.012	0.036	0.038	308,943.562	336,943.208	618.491

#	Point ID	Easting [m]	Northing [m]	Height [m]	SD Easting [m]	SD Northing [m]	SD Height [m]	Code	Code Group	Code Attributes	Date/Time
2	Y Drum col	307,986.586	338,259.849	549.128	0.001	0.002	0.006	-	-	-	17/10/2025 13:29:42
	Use	Source	Station	Date/Time	3D CQ [m]	Pos. [m]	Height [m]	Pos. & Height [m]	Easting [m]	Northing [m]	Height [m]
	Auto	3D	BREC	17/10/2025 13:29:42	0.003	0.002	0.030	0.030	307,986.586	338,259.851	549.098
	Auto	3D	HOLY	17/10/2025 13:29:42	0.003	0.011	-0.006	0.013	307,986.591	338,259.860	549.135
	Auto	3D	SHOD	17/10/2025 13:29:42	0.003	0.005	0.028	0.029	307,986.581	338,259.847	549.100
	Auto	3D	BIAX	17/10/2025 13:29:42	0.003	0.008	0.013	0.016	307,986.586	338,259.841	549.115
	Auto	3D	LEEK	17/10/2025 13:29:42	0.003	0.002	0.013	0.014	307,986.585	338,259.847	549.115
	Auto	3D	SHRE	17/10/2025 13:29:42	0.003	0.004	-0.004	0.006	307,986.584	338,259.846	549.133
	Auto	3D	ASAP	17/10/2025 13:29:42	0.003	0.004	0.014	0.015	307,986.587	338,259.853	549.114
	Auto	3D	STON	17/10/2025 13:29:42	0.002	0.002	-0.011	0.012	307,986.588	338,259.848	549.140
	Auto	3D	ADAR	17/10/2025 13:29:42	0.003	0.019	0.022	0.029	307,986.587	338,259.868	549.106
	Auto	3D	CREW	17/10/2025 13:29:42	0.003	0.005	-0.039	0.039	307,986.591	338,259.851	549.167
	Auto	3D	DARE	17/10/2025 13:29:42	0.003	0.004	-0.041	0.041	307,986.584	338,259.846	549.169
	Auto	3D	LICF	17/10/2025 13:29:42	0.002	0.010	-0.010	0.014	307,986.586	338,259.839	549.138

#	Point ID	Easting [m]	Northing [m]	Height [m]	SD Easting [m]	SD Northing [m]	SD Height [m]	Code	Code Group	Code Attributes	Date/Time
3	Y Drum summit	308,247.268	337,893.455	579.059	0.001	0.002	0.004	-	-	-	17/10/2025 14:27:12
	Use	Source	Station	Date/Time	3D CQ [m]	Pos. [m]	Height [m]	Pos. & Height [m]	Easting [m]	Northing [m]	Height [m]
	Auto	3D	LEEK	17/10/2025 14:27:12	0.003	0.004	0.008	0.009	308,247.271	337,893.451	579.051
	Auto	3D	MACY	17/10/2025 14:27:12	0.004	0.018	-0.016	0.024	308,247.251	337,893.450	579.075
	Auto	3D	BREC	17/10/2025 14:27:12	0.002	0.002	0.021	0.021	308,247.270	337,893.456	579.039
	Auto	3D	SHOD	17/10/2025 14:27:12	0.002	0.012	0.002	0.012	308,247.259	337,893.448	579.057
	Auto	3D	LICF	17/10/2025 14:27:12	0.002	0.011	-0.011	0.016	308,247.267	337,893.444	579.071
	Auto	3D	HOLY	17/10/2025 14:27:12	0.002	0.009	-0.005	0.010	308,247.273	337,893.462	579.065
	Auto	3D	ASAP	17/10/2025 14:27:12	0.002	0.004	0.014	0.015	308,247.272	337,893.453	579.045
	Auto	3D	STON	17/10/2025 14:27:12	0.002	0.005	-0.010	0.011	308,247.271	337,893.451	579.069
	Auto	3D	DROW	17/10/2025 14:27:12	0.002	0.010	-0.002	0.010	308,247.262	337,893.447	579.062
	Auto	3D	CREW	17/10/2025 14:27:12	0.003	0.010	-0.023	0.025	308,247.275	337,893.462	579.083
	Auto	3D	SHRE	17/10/2025 14:27:12	0.002	0.004	-0.019	0.020	308,247.265	337,893.457	579.079
	Auto	3D	BIAX	17/10/2025 14:27:12	0.002	0.006	-0.002	0.006	308,247.269	337,893.449	579.062
	Auto	3D	BLAP	17/10/2025 14:27:12	0.002	0.006	0.000	0.006	308,247.275	337,893.455	579.059
	Auto	3D	ADAR	17/10/2025 14:27:12	0.002	0.017	0.016	0.023	308,247.271	337,893.471	579.043