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Thread ID: 149832 2021-05-17 04:26:00 Need a Surveyor assistance, converting Lat & Long to NZTM Coordinate jhw (17062) PC World Chat
Post ID Timestamp Content User
1477257 2021-05-17 04:26:00 Hi there

Ive a Garman GPS unit that gives Lat & Long coordinates, but need to converting to NZTM Coordinate Easting *& Northing.

Nothing in the Online Converters mages sense som I seeking assistance, please.

I need convert this reading from my Garmin Explorer + 45.040563 and 169.184400 into NZTM

Ive many of these to convert as Im assisting a Heritage Trust on their archaeological database updating.

Thanks in anticipation.


John.
jhw (17062)
1477258 2021-05-17 05:31:00 Have you tried looking at www.martindalecenter.com

There is over 20 thousand types of calculator there on line or links to other sites.

Very useful, not just to you but all of us.
decibel (11645)
1477259 2021-05-17 05:41:00 Trouble is, I dont know what format Garman readout is, nor NZTM. jhw (17062)
1477260 2021-05-17 06:43:00 I have a word document that I made a few years ago that explains this, check your private messages gary67 (56)
1477261 2021-05-17 08:53:00 Trouble is, I dont know what format Garman readout is, nor NZTM.

Firstly, the Datum of your original map must be known.

If your GPS uses the WGS-84 Datum, (which most do) then the NZGD2000 Datum is near enough, unless you want to be pedantic. :)
B.M. (505)
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