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Austrian Kataser and Coordinates

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Philip Sargent
2022-11-21 01:03:04 +00:00
parent e344596a1b
commit 3ba6ecae26
8 changed files with 43 additions and 62 deletions
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handbook/computer.html
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<!DOCTYPE html>
<html>
<head>
<title>CUCC Expedition Handbook: Expo computer</title>
<link rel="stylesheet" type="text/css" href="../css/main2.css" />
</head>
<body>
<h2 id="tophead">CUCC Expedition Handbook</h2>
<style>figure {font-weight: bold; font-size: small; font-family: sans-serif;font-variant-caps: small-caps;}</style>

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handbook/survey/coord.htm
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@@ -18,6 +18,7 @@ If you are not interested in the theoretical background, just jump down to the
<a href="lasers.htm">Geographical fixed points on Loser</a><br>
<a href="coord2.html">GPS and coordinate systems</a><br>
<a href="/katast.htm">The Austrian Kataster areas</a>.
<a href="https://hoehle.org/downloads/SD_10_Handbuch.pdf">Vergleich der &Ouml;K 50 mit der neuen &Ouml;K 50-UTM</a>.
<p>

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handbook/survey/coord2.html
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<h2 id="tophead">CUCC Expo Surveying Handbook</h2>
<h1>GPS and coordinate systems</h1>
<style>figure {font-weight: bold; font-size: small; font-family: sans-serif;font-variant-caps: small-caps;}</style>
<p>See also:<br>
<a href="/eastings">Troggle UTM data report</a><br>
<a href="lasers.htm">Geographical fixed points on Loser</a><br>
<a href="coord.htm">Basic Coordinate Systems</a>.
<a href="coord.htm">Basic Coordinate Systems</a>.<br>
<a href="https://hoehle.org/downloads/SD_10_Handbuch.pdf">SD 10 Handbook: Vergleich der &Ouml;K 50 mit der neuen &Ouml;K 50-UTM</a>.
<h3>Coordinate systems</h3>
@@ -95,6 +96,15 @@ has a laptop :-), and as a backup (expo computers break down surprisingly often
it seems) write it down by hand on one of the A5 cave info sheets with all the
other details of your cave and put that in the surveys ringbinder file. </p>
<h3>Nitty Gritty</h3>
<div >
<figure>
<a href="../i/meridianstreifen.jpg"><img src="../t/meridianstreifen.jpg"></a>
<br><br><figcaption>Austrian Meridians<a href="https://hoehle.org/downloads/SD_10_Handbuch.pdf">SD 10 Handbook</a> 8.7 - click to enlarge</figcaption>
</figure>
</div>
<p>If you want to read about the nitty gritty of converting GPS coordinates to
the ones used by the Kataster system, you can do no better than read the
short introduction to <a href="coord.htm">coordinate systems</a>, which briefly
@@ -103,7 +113,9 @@ says "it's horribly complicated and we use computer programs to do it properly".
<a href="../../years/1996/gps.htm">Compass Points Article</a> from 1996, which
briefly says "it's horribly complicated and we don't really know how to do it
properly".) Overall things have significantly improved since the early days,
particularly as without the fog of the SA variation it's now easy to find out
particularly as without the fog of the
<a href="https://www.gps.gov/systems/gps/modernization/sa/">Selective Availability</a>
variation it's now easy to find out
whether your GPS is set up right by just GPSsing a known point and comparing
the results. However, the main point of having a GPS fix on an entrance is
so we can find it again and be sure it is the same one!</p>

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handbook/survey/lasers.htm
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@@ -9,7 +9,7 @@
<h2 id="tophead">CUCC Expo Surveying Handbook</h2>
<h1>Geographical fixed points on Loser</h1>
<style>figure {font-weight: bold; font-size: small; font-family: sans-serif;font-variant-caps: small-caps;}</style>
<h3>Note to readers in the 2020s</h3>
<p>While this page is mostly <em>correct</em>, it is most definitely not <em>current</em>.
It was written in 2001 and last seriously updated in 2006.
@@ -17,7 +17,8 @@ These days the Austrians use WGS84 GPS like eveyone else.
<p>For the nitty gritty about coordinate systems in Austria see:<br>
<a href="/eastings">Troggle UTM data report</a><br>
<a href="coord2.html">GPS and coordinate systems</a><br>
<a href="coord.htm">Basic Coordinate Systems</a>.
<a href="coord.htm">Basic Coordinate Systems</a>.<br>
<a href="https://hoehle.org/downloads/SD_10_Handbuch.pdf">SD 10 Handbook: Vergleich der &Ouml;K 50 mit der neuen &Ouml;K 50-UTM</a>.
<h3>Original description - Historical record</h3>
@@ -30,7 +31,7 @@ least, this was our belief, but we don't seem to be getting perfect agreement
between UTM/31 figures from GPS and the G&amp;K coordinates of fixed
points... This is probably because the bulk of Austria is in UTM zone 33
which you will see if you use a GPS, which will give coordinates in zone 33T.
Hmmmm.</p>
Hmmmm. (See <a href="https://hoehle.org/downloads/SD_10_Handbuch.pdf">SD 10 Handbook, paras 8.7 and 8.8: &Ouml;K 50-UTM</a> for a possible explanation - Ed.)</p>
<p>Within this system, there are a number of triangulation points surveyed
purely for the purpose of locating caves: these are the
@@ -121,39 +122,12 @@ same as BMN 486000, and translation appears to be a matter of simple
addition or subtraction, though it may prove to be more complex than this
over a large enough area, as already indicated by GPS work...</p>
<hr />
<ul id="links">
<li><b>Expedition Handbook:</b>
<ul>
<li>Expo Handbook <a href="../index.htm">Introduction</a></li>
<li><b>Surveying:</b>
<ul>
<li>Surveying <a href="index.htm">Overview</a> and index of
topics</li>
<li><a href="what.htm">What is a cave survey?</a></li>
<li><a href="why.htm">Why am I doing this?</a></li>
<li>Methods: <a href="how.htm">underground</a></li>
<li>Pitfalls to avoid, <a href="hints.htm">hints'n'tips</a> to
make life easier</li>
<li>Methods: <a href="ontop.htm">surface</a></li>
<li>Base Camp: <a href="getin.htm">getting it in</a> to the
computer</li>
<li>Base Camp: <a href="drawup.htm">drawing it up</a>, writing
the description</li>
</ul></li>
<li><a href="../look4.htm">Prospecting guide</a></li>
<li><a href="../rescue.htm">Rescue guide</a></li>
<li><a href="../rig/rigit.html">Rigging guide</a></li>
<li><a href="../photo.htm">Photography guide</a></li>
</ul></li>
<li><a href="../../infodx.htm">Index to info/topics pages</a></li>
<li><a href="../../indxal.htm">Full Index to area 1623</a>
<ul>
<li><a href="../../areas.htm">Area/subarea descriptions</a></li>
</ul></li>
<li><a href="../../index.htm">Back to Expedition Intro page</a></li>
<li><a href="../../../index.htm">Back to CUCC Home page</a></li>
</ul>
<div >
<figure>
<a href="../i/meridianstreifen.jpg"><img src="../t/meridianstreifen.jpg"></a>
<br><br><figcaption>Austrian Meridians<a href="https://hoehle.org/downloads/SD_10_Handbuch.pdf">SD 10 Handbook</a> 8.7 - click to enlarge</figcaption>
</figure>
</div>
<hr>
</body>
</html>

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