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Node History: TP 7 (2082916921)
Version #3
explicity state the specific coordinate system and epoch
- Edited by revent
- Changeset #144565915
- Location: 44.8774620, -66.9799917
Tags
datum:horizontal | ITRF 2020 |
---|---|
datum:horizontal:epoch | 2015.0 |
note | Do not tag as a survey_point, since no physical object exists at location. Coordinates transformed from NAD 27 to NAD 83(2011) with NGS NCAT 2.1, then to WGS84 (G2139) with NOAA VDatum 4.6.1. |
ref | TP 7 |
source | CA-US International Boundary Commission |
Version #2
More accurate CA-US boundary in Passamaquoddy Bay, using coordinates transformed to WGS84 instead of previous NAD 83 ones. Adding boundary markers and cross-range lines that demarcate the turning points.
- Edited by revent
- Changeset #143849285
- Location: 44.8774620, -66.9799917
Tags
Version #1
Added International Boundary Commision trig points to the map. Left the inacurrate border where it is.
- Edited by z-dude
- Changeset #14408415
- Location: 44.8774454, -66.9800004
Tags
man_made | survey_point |
---|---|
ref | TP 7 |
source | CA-US International Boundary Commission |
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