<s>
While	O
there	O
are	O
extreme	O
waves	O
and	O
events	O
(	O
tsunamis	B-Application
and	O
hurricane	O
surge	O
)	O
,	O
typical	O
ocean	O
features	O
would	O
be	O
considered	O
large	O
if	O
the	O
water	O
level	O
change	O
caused	O
by	O
them	O
were	O
1	O
m	O
.	O
Most	O
areas	O
of	O
the	O
world	O
experience	O
features	O
of	O
typical	O
amplitude	O
of	O
20cm	O
.	O
</s>
<s>
The	O
GEOSAT	O
data	O
for	O
the	O
entire	O
global	O
sea	O
surface	O
was	O
declassified	O
in	O
July	O
1995	O
after	O
the	O
competition	O
of	O
the	O
geodetic	O
phase	O
of	O
ESA	O
ERS-1	B-Algorithm
mission	O
.	O
</s>
<s>
The	O
successor	O
to	O
GEOSAT	O
is	O
the	O
Geosat	B-Algorithm
Follow-On	I-Algorithm
(	O
GFO	O
)	O
mission	O
,	O
launched	O
10	O
February	O
1998	O
by	O
a	O
Taurus	O
rocket	O
from	O
Vandenberg	O
AFB	O
.	O
</s>
