[svn r6514] Mainly link fettling; also added Makefile into CVS, and put in survey data stuff

handbook/cockup.htm

@@ -63,11 +63,9 @@ correctly numbered 185, there were <b>two</b> other caves erroneously
 numbered "185", one of which is undocumented 90/15, which needs surveying and
 a real number. The other is really 186, whose marking was later
 fixed.</td></tr>
-<tr><td>234, 235</td><td><p>After the switch over to the new system whereby caves are given official numbers only on receipt of a form and survey, these numbers were used without permission for two caves in the vicinity of Eish&ouml;hle, on the grounds that it was highly unlikely that the numbers would be used by anyone else before the forms got sent in; the caves were thus tagged as such. However, the forms disappeared into the ether after being mistakenly posted to AERW instead of the Austrians.</p>
+<tr><td>232 - 238</td><td><p>After the switch over to the new system whereby caves are given official numbers only on receipt of a form and survey, the numbers 232-5 were used for caves in the vicinity of Eish&ouml;hle, on the grounds that it was highly unlikely that the numbers would be used by anyone else before the forms got sent in; the caves were thus tagged as such. However, the forms disappeared into the ether after being mistakenly posted to AERW instead of the Austrians.</p>
 
-<p>Later, when the next batch of caves were submitted to the Austrians for numbering, 235 was allocated to <a href="../smkridge/2000-09/2000-09.htm">Hauchh&ouml;hle</a> (2000-09). It is not known to what cave number 234 was actually allocated.</p>
-
-<p>It is intended that new kataster numbers be applied for for the caves currently tagged 234 and 235, and the tag 235 applied to Hauchh&ouml;hle, by the end of Expo 2004.</p>
+<p>This led to some discrepancies between the Austrian's numbering and ours; these were resolved by an allocation of new numbers in 2004, detailed <a href="../years/2004/kataster2004.html">here</a>. Some old documents and survey notes may be rather confusing on this point!</p>
 </td></tr>
 </table>
 

handbook/nomark.htm

@@ -33,7 +33,7 @@ needs hammering</td></tr>
 <tr><td><a href="../smkridge/1996wk11.html">CUCC1996 WK 11</a></td><td></td><td>
 unfinished ?</td></tr>
 
-<tr><td><a href="../smkridge/1996wk12.html">CUCC1996 WK 12</a></td><td></td><td>unfinished</td></tr>
+<tr><td><a href="../kratzer/1996wk12.html">CUCC1996 WK 12</a></td><td></td><td>unfinished</td></tr>
 
 
 </table>

handbook/survey/gps.htm

@@ -57,6 +57,30 @@ can't select this particular set, but it is very important that you <u>write
 down what was actually used</u>, since different grid systems can give
 results up to a couple of kilometres different!</p>
 
+<p>If your GPS doesn't support Austrian coordinates out of the box, then you can set it up as a "User Grid" using some or all of the following cryptic runes:</p>
+
+<div style="background-color: #BDB">
+<table>
+<tr>
+<th>Ellipsoid:</th><td>Austrian (Bessel 1841)<br />
+a = 63377397.155m (&Delta;A = 739.845)<br />
+1/f = 299.1528128 (&Delta;f x 10,000 = 0.10037428)
+</td></tr>
+<tr>
+<th>Datum:</th>
+<td>Austria MGI (Hermannskogel)</td></tr>
+<tr><th>Projection:</th><td>Transverse Mercator (BMN zone M31)</td></tr>
+<tr><th>Grid parameters:</th><td>Central meridian 13&deg;20'E<br />
+False easting 450km<br />
+No additional scaling<br />
+Grid boundaries at 11&deg;50' and 14&deg;50'</td></tr>
+<tr><th>EFEC coordinate conversion equation with respect to WGS84:</th>
+<td>Offsets &Delta;x = -575m, &Delta;y = -93m, &Delta;z = -466m<br />
+Rotations &omega;<sub>x</sub> = 5.1"; &omega;<sub>y</sub> = 5.1", &omega;<sub>z</sub> = 5.2"<br />
+Scaling -2.5ppm
+</td></tr></table>
+</div>
+
 <p>Write down the figure that the GPS gives for each waypoint at the time
 (just in case some failure loses the data from the GPS memory). That's all
 you need to do at the cave. Get the GPS data downloaded to a computer next