<s>
The	O
Reeves	B-Algorithm
AN/MSQ	I-Algorithm
-51	I-Algorithm
Aerial	I-Algorithm
Target	I-Algorithm
Control	I-Algorithm
Central	I-Algorithm
(	O
ATCC	O
)	O
was	O
a	O
combination	O
radar/computer/communications	O
system	O
(	O
"	O
Q	O
"	O
system	O
"	O
)	O
developed	O
1961-3	O
for	O
United	O
States	O
Navy	O
"	O
aerial	O
target	O
out-of-sight	O
control	O
"	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
"	O
Target	O
Control	O
System	O
AN/SRW	O
-4D	O
"	O
with	O
radios	O
and	O
"	O
Antenna	O
Assemblies	O
for	O
Target	O
Control	O
and	O
Communications	O
(	O
7	O
Units	O
)	O
"	O
,	O
the	O
ATCC	O
included	O
acquisition/surveillance	O
and	O
tracking	O
radars	O
,	O
a	O
Mark	O
X	O
IFF/SIF	O
,	O
and	O
an	O
analog	O
computer	O
.	O
</s>
<s>
The	O
ATCC	O
's	O
automatic	O
tracking	O
radar	O
was	O
derived	O
from	O
the	O
Western	B-Algorithm
Electric	I-Algorithm
M-33	I-Algorithm
gun	O
laying	O
radar	O
and	O
could	O
process	O
double-pulse	O
9340-9370	O
MHz	O
beacon	O
returns	O
from	O
transponders	O
up	O
to	O
away	O
from	O
the	O
AN/MSQ	O
-51	O
transmitting	O
9215-9285	O
MHz	O
radar	O
pulses	O
.	O
</s>
<s>
to	O
command	O
the	O
drone	O
was	O
a	O
"	O
Collins	O
Radio	O
Co	O
.	O
Model	O
618T-3	O
"	O
Single	B-Device
Sideband	I-Device
Transceiver	O
(	O
SST	O
)	O
with	O
Control	O
Unit	O
714E-2	O
for	O
28,000	O
channels	O
(	O
400	O
watts	O
PEP	O
,	O
100	O
w	O
AM	B-Device
)	O
.	O
</s>
<s>
Tracking	O
Console	O
with	O
Plan	B-Algorithm
Position	I-Algorithm
Indicator	I-Algorithm
(	O
PPI	O
)	O
,	O
A-scans	B-Algorithm
for	O
range/azimuth/elevation	O
,	O
AN/TPA	O
-3	O
IFF/SIF	O
electronics	O
(	O
e.g.	O
,	O
Video	O
Decoder	O
MX1995	O
&	O
Remote	O
Switching	O
Control	O
C-1903	O
)	O
,	O
and	O
for	O
the	O
surveillance	O
antenna	O
signal	O
,	O
"	O
Acquisition	O
Receiver	O
Control	O
"	O
panel	O
.	O
</s>
