<s>
The	O
JLP-40	O
is	O
a	O
tactical	O
air	O
defense	O
radar	B-Application
designed	O
to	O
use	O
with	O
height	O
finding	O
radars	B-Application
such	O
as	O
the	O
JLG-43	B-Algorithm
Radar	I-Algorithm
.	O
</s>
<s>
It	O
is	O
similar	O
in	O
design	O
to	O
the	O
Russian	O
"	O
Bar	O
Lock	O
"	O
series	O
radar	B-Application
and	O
may	O
have	O
been	O
derived	O
from	O
it	O
as	O
part	O
of	O
the	O
sale	O
of	O
the	O
SA-2	O
system	O
from	O
the	O
Former	O
Soviet	O
Union	O
in	O
the	O
early	O
1960s	O
.	O
</s>
<s>
The	O
system	O
operates	O
in	O
S-band	B-Algorithm
and	O
L-band	B-Algorithm
,	O
each	O
parabolic	O
scanner	O
being	O
illuminated	O
by	O
stacked	O
horn	O
feeds	O
to	O
generate	O
families	O
of	O
multiple	O
beams	O
.	O
</s>
<s>
There	O
are	O
five	O
S-band	B-Algorithm
transmitter/receivers	O
and	O
these	O
are	O
thought	O
to	O
operate	O
with	O
the	O
lower	O
of	O
the	O
two	O
antennas	O
,	O
while	O
the	O
L-band	B-Algorithm
feeds	O
illuminate	O
the	O
upper	O
scanner	O
array	O
.	O
</s>
<s>
An	O
IFF	B-Device
interrogator	O
is	O
incorporated	O
in	O
the	O
system	O
.	O
</s>
<s>
Three	O
PPI	B-Algorithm
displays	O
are	O
available	O
,	O
one	O
azimuth/range	O
display	O
and	O
two	O
to	O
four	O
additional	O
PPI	B-Algorithm
.	O
</s>
