<s>
The	O
Northrop	O
Grumman	O
AN/ZPY	B-Algorithm
-1	I-Algorithm
STARLite	O
Small	O
Tactical	O
Radar	B-Application
-	O
Lightweight	O
is	O
a	O
small	O
,	O
lightweight	O
synthetic	O
aperture	O
radar/GMTI	O
radar	B-Application
used	O
in	O
tactical	O
operations	O
.	O
</s>
<s>
The	O
radar	B-Application
is	O
under	O
contract	O
to	O
the	O
U.S.	O
Army	O
Communications	O
and	O
Electronics	O
Command	O
for	O
its	O
ERMP	O
General	O
Atomics	O
MQ-1C	O
Gray	O
Eagle	O
Unmanned	O
Aerial	O
System	O
and	O
is	O
manufactured	O
by	O
Northrop	O
Grumman	O
.	O
</s>
<s>
From	O
the	O
first	O
orders	O
in	O
2008	O
to	O
October	O
2012	O
,	O
Northrop	O
Grumman	O
delivered	O
half	O
of	O
the	O
174	O
radars	B-Application
ordered	O
.	O
</s>
<s>
Eighteen	O
of	O
the	O
radars	B-Application
on	O
order	O
are	O
a	O
lighter	O
,	O
extended-range	O
version	O
.	O
</s>
<s>
Weight	O
was	O
reduced	O
by	O
combining	O
the	O
radar	B-Application
power	O
supply	O
and	O
processor	O
and	O
incorporating	O
a	O
Systron	O
Donner	O
inertial	O
system	O
.	O
</s>
<s>
The	O
patch	O
antenna	O
was	O
replaced	O
with	O
a	O
slot	B-Algorithm
antenna	I-Algorithm
,	O
doubling	O
its	O
range	O
to	O
.	O
</s>
<s>
The	O
original	O
STARLite	B-Algorithm
radar	I-Algorithm
is	O
used	O
on	O
the	O
MQ-1C	O
Gray	O
Eagle	O
and	O
the	O
Lockheed	O
Martin	O
Persistent	O
Threat	O
Detection	O
System	O
(	O
PTDS	O
)	O
aerostat	O
.	O
</s>
<s>
The	O
active	O
electronically	O
scanned	O
radar	B-Application
is	O
mounted	O
on	O
a	O
rotating	O
mechanical	O
gimbal	O
with	O
a	O
360	O
degree	O
field	O
of	O
regard	O
,	O
although	O
the	O
antenna	O
itself	O
has	O
a	O
110	O
degree	O
field	O
of	O
view	O
.	O
</s>
