<s>
A	O
wind	B-Algorithm
transducer	I-Algorithm
is	O
a	O
device	O
used	O
by	O
sailors	O
to	O
receive	O
a	O
real-time	O
measurement	O
of	O
wind	O
speed	O
and	O
direction	O
.	O
</s>
<s>
A	O
wind	B-Algorithm
transducer	I-Algorithm
is	O
usually	O
mounted	O
on	O
the	O
masthead	O
of	O
a	O
sailing	O
boat	O
and	O
is	O
occasionally	O
used	O
by	O
power	O
boats	O
too	O
.	O
</s>
<s>
Sailing	O
boats	O
can	O
sail	B-Language
at	O
a	O
maximum	O
of	O
45	O
degrees	O
close	O
to	O
the	O
wind	O
and	O
will	O
sail	B-Language
faster	O
on	O
a	O
reach	O
than	O
when	O
at	O
closest	O
to	O
the	O
wind	O
.	O
</s>
<s>
Wind	B-Algorithm
transducers	I-Algorithm
are	O
usually	O
wired	O
to	O
the	O
cock	O
or	O
head	O
,	O
although	O
'	O
wireless	O
 '	O
versions	O
are	O
becoming	O
steadily	O
more	O
popular	O
due	O
to	O
the	O
reduced	O
installation	O
time	O
required	O
.	O
</s>
