+diff --git a/handbook/survey/coord2.html b/handbook/survey/coord2.html index ee3cfce94..7cb138391 100644 --- a/handbook/survey/coord2.html +++ b/handbook/survey/coord2.html @@ -7,11 +7,12 @@
See also:
Troggle UTM data report
Geographical fixed points on Loser
-Basic Coordinate Systems.
+Basic Coordinate Systems.
+SD 10 Handbook: Vergleich der ÖK 50 mit der neuen ÖK 50-UTM.
+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 coordinate systems, which briefly @@ -103,7 +113,9 @@ says "it's horribly complicated and we use computer programs to do it properly". Compass Points Article 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 +Selective Availability + 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!
diff --git a/handbook/survey/lasers.htm b/handbook/survey/lasers.htm index e19b520ca..ef2fb7c32 100644 --- a/handbook/survey/lasers.htm +++ b/handbook/survey/lasers.htm @@ -9,7 +9,7 @@While this page is mostly correct, it is most definitely not current. 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.
For the nitty gritty about coordinate systems in Austria see:
Troggle UTM data report
GPS and coordinate systems
-Basic Coordinate Systems.
+Basic Coordinate Systems.
+SD 10 Handbook: Vergleich der ÖK 50 mit der neuen ÖK 50-UTM.
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...
-
+The Höhlenkataster is a national catalogue of all the documented caves in Austria. Within it, each known cave has a unique number. This number comprises two parts - the first part identifies the area in which the @@ -28,6 +29,13 @@ massifs, and some smaller outlying blocks. "1620" (the Untergruppe or massif) is the western massif, and within that, "1623" (the Teilgruppe or part of the massif) is the Loser Augst-Eck plateau.
+
+The area numbers are shown on this online map and we have own own @@ -36,7 +44,7 @@ map and we have own own
Due to our hard work over 40 years, 1623 has the highest density of explored caves (caves per square km) of any of the kataster areas. -
A cave which CUCC are currently exploring is named +
A cave which CUCC explored from 2001 is named "Steinbrückenhöhle", which has the number 1623/204. There are presently six entrances, and these are labelled 1623/204A, 204B, 204C, 204D, 204E and 204F. On older discoveries, these numbers were typically painted on @@ -71,11 +79,12 @@ University of Bristol Spelaeological Society respectively.
and within these lists, each cave has a status code, such as "3/S/E +". The number represents the extent of the cave on a scale from 0-9, the letters denote the sort of cave it is, and the symbol at the end stands -for the current state of exploration. +for the current state of exploration.The VOH maintains a current list of longest and deepest caves in Austria and their Austrian Caving Handbook is well-worth skimming through. -This is the master document defining the caving areas and the Austrian cave classification system. +This is the master document defining the caving areas and the Austrian cave classification system. In 2022 The Schwatzmooskögel System is 10th deepest and +2nd longest in Austria.