AL-QAEDA terrorists have obtained Australian computer software pinpointing 
weak spots in skyscrapers and dams, according to the FBI.

The sophisticated programs, developed in Sydney and Adelaide, were found 
stored in a computer belonging to an associate of terror mastermind Osama 
bin Laden.
A Federal Bureau of Investigation bulletin titled "Terrorist Interest in 
aWter Supply and SCADA (supervisory control and data acquisition) Systems", 
issued early this year, said the material had been unearthed in the 
Afghanistan capital, Kabul.
The software, called Microstran and CATIGE, could be used by engineers to 
find stress points and weaknesses in buildings, bridges and dams.
The discovery prompted one of the software developers, a South Australian 
academic, to speculate that terrorists might have obtained the programs 
from students at the engineering faculty of Adelaide University in the 1990s.
Microstran was developed by a firm of Sydney engineers and marketed in 
Australia, New Zealand and the United Kingdom, with some sales to the 
Middle East.
It was designed for the gauging of strengths and weaknesses in structures 
such as bridges and buildings.
CATIGE (computer aided teaching in geotechnical engineering) was less 
widely distributed because it was developed at Adelaide University as an 
educational tool for engineering students.
It contained a program which assessed the level of leakage or seepage from 
dams, and has been distributed to universities around the world.
Only a few thousand legal copies are believed to exist, although it was 
given to undergraduates as part of a package of computer programs on a 
university CD ROM.
There is no suggestion that the developers or distributors of either 
program have any connection with terrorists.
Adelaide University geotechnical engineering lecturer Mark Jaksa, who 
developed CATIGE, believed there was a chance the Afghan programs might 
have come from a CD ROM given to undergraduate students a few years ago.
"I think it's probably more likely they (terrorists) have come in contact 
with someone who has studied at Adelaide because those two programs were 
given to our students -- BEAM and CATIGE," he said.
However, other engineers were not convinced the BEAM program was the same 
as the one on the CD ROM.
Mr Jaksa said terrorists would need detailed information about any 
structure to make use of his program.
He said it appeared the terrorists had "gone around to try and find 
structural and geotechnical software . . . that would have helped them".
Microstran co-developer John Morgan said he was surprised by the FBI report.
"We have no information to say definitely it is ours. We really don't 
know," he said.
"There are programs with similar names in (the) engineering area."
The 19 Al-Qaeda terrorists linked to the September 11 hijacking tragedy 
included some with engineering skills.
http://www.heraldsun.news.com.au/common/story_page/0,5478,5149311%255E421,00.html
Did I tell youse about these?
Heres a quick list of top of my head "tallest structures in Oz over 250m"
Omega Nav Mast, Gippsland, VIC-427m 1982
Tower Zero Mast, Northwestcape, WA-387m 1967
*There is also 12 other towers at Northwestcape ranging from 303m-364m tall.
Q1 tower,QLD-322m? 2005UC
Sydney Tower,Syd-305m 1981
Eureka Tower, Melb-297m 2005UC
Mt Isa Chimney,QLD-270m 1978
120 Collins St, Melb-264m 1991
101 Collins St, Melb-260m 1991
Loy Yang Chimneys, VIC- 260m x 2 1988
Loy Yang B chimney, VIC-255m 1992
Bourke Place (spire), Melb, -254m 1991
Gov Phillip Tw (antenna), Syd,- 254m 1993
Rialto-Melb-251m, 1986
Bayswater Power St Chimneys,Hunter Valley-250m x2
Mt Piper Power Chimney,NSW-250m
The tallest structure in OZ, self-supported or otherwise is the Omega Base 
Transmission Mast near Churchill in Gippsland Victoria.
 From memory it is around 440m tall so it is about the same height as Sears 
Tower or Petronas!
I went to have a look at it one night when down in Sale, I must admit at 
night it does look impressive but not quite that tall without any 
substantial bulk. I think during the day you'd get a better impression of 
height..

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