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Philip Sargent 2023-09-23 01:37:53 +03:00
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<h1>Entrance locations</h1>
<p>
These are all the locations specified in Northing/Easting coordinates in the system.
These first two tables are all the Caves which have <em>manual</em> locations specified as Northing/Easting coordinates in their Cave Entrance Description data.
<p>
This report is to help you sort out and fix the bad data in our records. You can see from the tables here
that UTM data sometimes have Northings and Eastings swapped, or UTM is used when it is intended to be
BMN and vice versa.
<p>All surveyed caves have entrance locations fixed by the survex data, as survey stations with names such as
1623.p277a . This is the reliable data and is shown in the third table. The reason why we have manual data is because when a
cave entrance is first discovered, it is not yet connected to the survey network. But we want to record its position
otherise we will lose it.
<p>
Coordinate systems in Austria are explained in:<br>
<a href="/handbook/survey/lasers.htm">Geographical fixed points on Loser</a><br>