CHTI: Mark details

MARK IDENTIFICATION

Code:   CHTI Name:   Chatham Island North Alternatives:   50242M001

Country:   New Zealand Land District:   Wellington Topo50 map ref:

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NZGD 2000 COORDINATES

Latitude:   43° 44' 07.71545" S Longitude:   176° 37' 01.59632" W Ellipsoidal height (m):   75.678

Order:   0 Authorised:   20-May-2024 Reference:   2024.05.16 LINZ PositioNZ Update (DefMod v20180701 ITRF2020@2023-07-01)

Previous coordinates

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Projection		Northing (m)		Easting (m)		Scale Factor		Convergence
New Zealand Transverse Mercator		5104823.163		2436316.544		1.0082142		+7° 13' 11"		Previous coordinates
Chatham Islands Transverse Mercator 2000		5155562.079		3490565.414		1.0000011		-0° 04' 51"		Previous coordinates

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NEW ZEALAND VERTICAL DATUM 2016 HEIGHT

Height (m):   63.9469

Order:   1V Authorised:   20-May-2024 Reference:   2024.05.16 LINZ PositioNZ Update (DefMod v20180701 ITRF2020@2023-07-01)

Previous heights

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MARK DETAILS

Last maintained:	10-Apr-2021
Maintenance level:
Mark condition:	Reliably Placed
Description:	Continuously operating GNSS station or CORS site. Mark is unable to be physically occupied. Horizontal reference point is the centre of 5/8ö thread. The vertical reference is the flat surface at top of monument. There is a 0.002m difference between the GNSS antenna reference point (ARP) and the vertical reference point (antenna height). For more information see http://www.linz.govt.nz/positionz
Mark type:	Forced Centering
Beacon type:	Shallow Drilled Braced Monument
Protection type:	Post & rail enclosure