CHAT: Mark details

MARK IDENTIFICATION

Code:   CHAT
Name:   Chatham Island
Alternatives:   Chatham Met Station
50207M001
Country:   New Zealand
Land District:   Wellington
Topo50 map ref:  

NZGD 2000 COORDINATES

Latitude:   43° 57' 20.83287" S
Longitude:   176° 33' 57.02029" W
Ellipsoidal height (m):   57.974
Order:   0
Authorised:   14-Jan-2018
Reference:   National Geodetic Adjustment NZGD2000 20171201 update
Previous coordinates
Projection       Northing (m)       Easting (m)       Scale Factor       Convergence      
New Zealand Transverse Mercator       5079816.021       2437324.672       1.0082345       +7° 17' 04"        Previous coordinates
Chatham Islands Transverse Mercator 2000       5131088.119       3494715.387       1.0000003       -0° 02' 45"        Previous coordinates

NEW ZEALAND VERTICAL DATUM 2016 HEIGHT

Height (m):   47.028
Order:   1V
Authorised:   25-Feb-2020
Reference:   2020CORS NZVD2016 Point Load
Previous heights

MARK DETAILS

Last maintained:   11-Apr-2019
Maintenance level:  
Mark condition:   Reliably Placed
Description:   Previously a continuously operating GNSS station or CORS site (decommissioned 23.05.2012). Horizontal reference point is the centre of 5/8" thread. The vertical reference is the plate at top of pillar. Antenna height was 0.0062m (distance between GNSS antenna reference point (ARP) and vertical reference plate (antenna height). For more information see http://www.linz.govt.nz/positionz
Mark type:   Forced Centering
Beacon type:   Not Beaconed
Protection type:   No protection
Report created on 3-May-2025    © Copyright: Land Information New Zealand
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