From 7747686d8d02be5012e6f0d0f80d30a65563942a Mon Sep 17 00:00:00 2001 From: Expo on server Date: Sat, 20 Jul 2024 08:32:41 +0100 Subject: [PATCH] updated text - online edit of handbook/survey/numbering.html --- handbook/survey/numbering.html | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/handbook/survey/numbering.html b/handbook/survey/numbering.html index 44f76c4b1..fd2197111 100644 --- a/handbook/survey/numbering.html +++ b/handbook/survey/numbering.html @@ -26,9 +26,8 @@ Austrians have been marking caves with a numbered alloy tag bolted to the cave entrance. This also has the advantage of a definite fixed point to take the survey to.

We still (2023) use numbered alloy tags, but there is a move to replace this -with a properly-managed and accessible GPS system. However the accuracy and -difficulty of accessing the entrance locations online, on the plateau, mean that we are still -using tags. +with a properly-managed and accessible GPS system. However the ~5m practical accuracy of the GPS, the multitude of holes within 5m and + difficulty of accessing the entrance locations online on the plateau, mean that tags are still very useful; but we need photos of the tags showing exactly where they are around the pit.

Austrian Kataster Requirments

From 1996, we have had to abandon the system (which we believed @@ -60,8 +59,7 @@ record of the surface location is also pretty essential.

There are also a number of caves tagged with numbers of the form "year-xx-nn" where xx are the -initials of the discoverer (eg 2002-AD-01). Although this discoverer naming -system has been vaguely deprecated, it does at least mean that there is no +initials of the discoverer (eg 2002-AD-01). This means that there is no duplication during an expo with many people prospecting at the same time.

Recording Cave Entrances

@@ -75,11 +73,12 @@ duplication during an expo with many people prospecting at the same time.

Anything longer than 10m needs a number, a survey of appropriate -accuracy, and location information (bearings from +accuracy, location information (GPS or bearings from entrance to known points, entrance photos and description of route to entrance as a minimum - surface surveys are really required for caves within a reasonable distance of existing known points, a GPS fix is essential but insufficient on its own. +

In an area with many pits, a sketch is better than a photograph to distinguish the entrance from all the other holes.

If a cave is not readily apparent from the immediate area, bearings or a GPS fix will be inadequate to refind it, and a good sketch or photographs of the @@ -139,6 +138,7 @@ together with any other caves which we have information on, which we are permitted to publish.

Restricted cave data publication

+

We are always very pleased to receive any information on other caves in the area, to make the database more complete. It is in no-one's interest to reexplore known cave, or to intrude on someone else's ongoing @@ -146,14 +146,13 @@ project ! There is a limited amount of information in the database on caves not explored by CUCC, for which we are not permitted to make the data publicly available - none of this information has been checked in the field and is likely to be out of date, if not just plain wrong. The data are -included for completeness and should help CUCC during expeditions. We may be -able to make the data available (through password-protected access to those +included for completeness and should help CUCC during expeditions. We can make the data available (through password-protected access to those net pages) to other groups with a bona fide need.

The non-public data is available to logged-in users, using the 'Log in' menu item at the top-right of all the handbook pages and using our usual 'cavey:beery' password.

-[This page originally written by AERW in 1996] +[This page originally written by AERW in 1996 and updated substantially]