<s>
The	O
AN/APY	B-Algorithm
-10	I-Algorithm
is	O
an	O
American	O
multifunction	B-Architecture
radar	I-Architecture
developed	O
for	O
the	O
U.S.	O
Navy	O
's	O
Boeing	O
P-8	O
Poseidon	O
maritime	O
patrol	O
and	O
surveillance	O
aircraft	O
.	O
</s>
<s>
AN/APY	B-Algorithm
-10	I-Algorithm
is	O
the	O
latest	O
descendant	O
of	O
a	O
radar	B-Application
family	O
originally	O
developed	O
by	O
Texas	O
Instruments	O
,	O
and	O
now	O
Raytheon	O
after	O
it	O
acquired	O
the	O
radar	B-Application
business	O
of	O
TI	O
,	O
for	O
Lockheed	O
P-3	O
Orion	O
,	O
the	O
predecessor	O
of	O
P-8	O
.	O
</s>
<s>
The	O
AN/APY	B-Algorithm
-10	I-Algorithm
mechanically	O
scanned	O
radar	B-Application
is	O
a	O
development	O
of	O
Raytheon	O
's	O
AN/APS	O
-149	O
radar	B-Application
.	O
</s>
<s>
The	O
radar	B-Application
is	O
optimized	O
for	O
maritime	O
,	O
littoral	O
and	O
overland	O
surveillance	O
.	O
</s>
<s>
The	O
AN/APY	B-Algorithm
-10	I-Algorithm
is	O
able	O
to	O
provide	O
high	B-Algorithm
resolution	I-Algorithm
radar	B-Application
images	O
in	O
both	O
overland	O
and	O
water	O
modes	O
.	O
</s>
<s>
Available	O
modes	O
include	O
color	O
weather	O
,	O
synthetic	B-Application
aperture	I-Application
radar	I-Application
(	O
SAR	O
)	O
,	O
inverse	B-Algorithm
synthetic	I-Algorithm
aperture	I-Algorithm
radar	I-Algorithm
(	O
ISAR	O
)	O
,	O
periscope	B-Language
detection	O
,	O
and	O
navigation	O
.	O
</s>
<s>
The	O
AN/APS	O
-80	O
is	O
the	O
first	O
member	O
of	O
the	O
radar	B-Application
family	O
the	O
AN/APY	B-Algorithm
-10	I-Algorithm
directly	O
descends	O
from	O
,	O
and	O
this	O
first	O
member	O
of	O
the	O
family	O
was	O
installed	O
on	O
P-3A/B	O
.	O
</s>
<s>
AN/APS	O
-80	O
is	O
an	O
analog	O
radar	B-Application
with	O
a	O
peak	O
power	O
of	O
143kW	O
.	O
</s>
<s>
The	O
peak	O
power	O
is	O
45kW	O
and	O
like	O
AN/APS	O
-80	O
,	O
AN/APS	O
-88	O
is	O
also	O
an	O
X-band	O
radar	B-Application
.	O
</s>
<s>
Other	O
improvement	O
over	O
the	O
original	O
AN/APS	O
-80	O
included	O
the	O
integration	O
of	O
two	O
separate	O
AN/APS	O
-80A	O
radar	B-Application
into	O
a	O
single	O
unit	O
via	O
a	O
single	O
planar	O
position	O
indicator	O
(	O
PPI	O
)	O
display	O
.	O
</s>
<s>
The	O
most	O
important	O
improvement	O
is	O
that	O
AN/APS	O
-115	O
is	O
an	O
automatic	O
version	O
of	O
earlier	O
AN/APS-80/80A	O
,	O
but	O
some	O
users	O
felt	O
that	O
in	O
the	O
hands	O
of	O
an	O
experienced	O
operator	O
,	O
the	O
manual	O
analog	O
AN/APS-80/80A	O
has	O
a	O
better	O
chance	O
to	O
detect	O
small	O
targets	O
such	O
as	O
submarine	O
periscope	B-Language
in	O
sea	O
clutter	O
.	O
</s>
<s>
AN/APS	O
-115	O
utilizes	O
cavity	B-Architecture
magnetron	I-Architecture
.	O
</s>
<s>
AN/APS	O
-115	O
is	O
able	O
to	O
achieve	O
a	O
resolution	O
of	O
1.5ft	O
and	O
the	O
typical	O
range	O
against	O
a	O
submarine	O
periscope	B-Language
is	O
15.5	O
nautical	O
miles	O
(	O
nm	O
)	O
.	O
</s>
<s>
Knowledge	O
gained	O
in	O
the	O
development	O
of	O
AN/APS-115/116	O
is	O
used	O
in	O
the	O
development	O
of	O
X-band	O
AN/APS	O
-124	O
,	O
the	O
first	O
model	O
in	O
the	O
radar	B-Application
family	O
developed	O
for	O
ASW	O
helicopters	O
.	O
</s>
<s>
Due	O
to	O
the	O
size	O
and	O
weight	O
constraint	O
,	O
the	O
parabolic	O
antenna	O
of	O
radars	B-Application
for	O
fixed	O
aircraft	O
is	O
replaced	O
by	O
a	O
slotted	O
planar	O
array	O
antenna	O
for	O
AN/APS	O
-124	O
,	O
and	O
scan	O
rate	O
is	O
6	O
or	O
12	O
rpm	O
,	O
with	O
120	O
rpm	O
for	O
weather	O
.	O
</s>
<s>
Knowledge	O
gained	O
from	O
the	O
success	O
of	O
AN/APS	O
-124	O
and	O
AN/APS	O
-127	O
was	O
used	O
to	O
upgrade	O
AN/APS	O
-115	O
and	O
AN/APS	O
-116	O
,	O
and	O
the	O
result	O
is	O
the	O
X-band	O
AN/APS	O
-134	O
,	O
which	O
has	O
a	O
track	B-Algorithm
while	I-Algorithm
scan	I-Algorithm
(	O
TWS	O
)	O
mode	O
,	O
and	O
up	O
to	O
32	O
surface	O
targets	O
can	O
be	O
simultaneously	O
tracked	O
.	O
</s>
<s>
A	O
further	O
development	O
of	O
AN/APS-115/116/124/127/134	O
is	O
the	O
X-band	O
AN/APS	O
-137	O
,	O
incorporating	O
synthetic	B-Application
aperture	I-Application
radar	I-Application
(	O
SAR	O
)	O
,	O
inverse	B-Algorithm
synthetic	I-Algorithm
aperture	I-Algorithm
radar	I-Algorithm
(	O
ISAR	O
)	O
and	O
Ground	O
moving	O
target	O
indication	O
(	O
GMTI	O
)	O
modes	O
.	O
</s>
<s>
AN/APS	O
-148	O
Sea	O
Vue	O
(	O
SeaVue	O
)	O
radar	B-Application
is	O
a	O
X-band	O
radar	B-Application
based	O
on	O
the	O
knowledge	O
of	O
AN/APS	O
-137	O
,	O
developed	O
by	O
Raytheon	O
for	O
light	O
fixed	O
winged	O
aircraft	O
.	O
</s>
<s>
AN/APS	O
-149	O
Littoral	O
Surveillance	O
Radar	B-Application
System	I-Application
(	O
LSRS	O
)	O
is	O
the	O
first	O
model	O
in	O
the	O
radar	B-Application
family	O
that	O
adopts	O
active	B-Architecture
electronically	I-Architecture
scanned	I-Architecture
array	I-Architecture
(	O
AESA	O
)	O
radar	B-Application
,	O
and	O
it	O
is	O
developed	O
for	O
littoral	O
and	O
overland	O
surveillance	O
radar	B-Application
,	O
initially	O
fielded	O
aboard	O
the	O
service	O
's	O
P-3C	O
Block	O
Modification	O
Update	O
Program	O
(	O
BMUP	O
)	O
maritime	O
patrol	O
and	O
surveillance	O
aircraft	O
.	O
</s>
<s>
The	O
wide-aperture	O
radar	B-Application
is	O
mounted	O
in	O
a	O
ventral	O
pod	O
attached	O
to	O
the	O
belly	O
of	O
the	O
host	O
aircraft	O
by	O
at	O
least	O
three	O
attachment	O
points	O
.	O
</s>
