<s>
An	O
early	O
version	O
ran	O
on	O
the	O
IBM	B-Device
7090	I-Device
computer	O
in	O
1964	O
.	O
</s>
<s>
The	O
Fortran	B-Application
source	O
code	O
can	O
be	O
compiled	B-Language
for	O
any	O
platform	B-Device
with	O
a	O
Fortran	B-Application
compiler	B-Language
.	O
</s>
<s>
When	O
Satellite	B-Application
Tool	I-Application
Kit	I-Application
's	O
high-precision	O
orbit	O
propagator	O
and	O
parameter	O
and	O
coordinate	O
frame	O
transformations	O
underwent	O
an	O
Independent	O
Verification	O
and	O
Validation	O
effort	O
in	O
2000	O
,	O
TRACE	O
v2.4.9	O
was	O
the	O
standard	O
against	O
which	O
STK	O
was	O
compared	O
.	O
</s>
