<s>
ARMOR	O
(	O
Advanced	O
Radar	O
for	O
Meteorological	O
and	O
Operational	O
Research	O
)	O
Doppler	B-Application
weather	I-Application
radar	I-Application
is	O
a	O
C-Band	B-Algorithm
,	O
Dual-Polarimetric	O
Doppler	B-Application
Weather	I-Application
Radar	I-Application
,	O
located	O
at	O
the	O
Huntsville	O
International	O
Airport	O
in	O
Huntsville	O
,	O
Alabama	O
.	O
</s>
<s>
It	O
was	O
refurbished	O
and	O
upgraded	O
to	O
Pulse-Doppler	B-Algorithm
capabilities	O
in	O
1991	O
.	O
</s>
<s>
When	O
the	O
NEXRAD	B-Algorithm
network	O
replaced	O
previous	O
NWS	O
radars	O
,	O
it	O
was	O
donated	O
to	O
the	O
UAH	O
Department	O
of	O
Atmospheric	O
Science	O
in	O
2002	O
and	O
upgraded	O
to	O
dual-polarimetry	O
using	O
the	O
SIGMET	O
Antenna	O
Mounted	O
Receiver	O
in	O
the	O
fall	O
2004	O
.	O
</s>
<s>
ARMOR	O
is	O
a	O
modified	O
WSR-74	B-Algorithm
C-Band	B-Algorithm
(	O
5625MHz	O
)	O
radar	O
with	O
a	O
0.5	O
-	O
1.0	O
°	O
resolution	O
in	O
azimuth	O
and	O
a	O
spatial	O
resolution	O
varying	O
from	O
60	O
to	O
500	O
meters	O
,	O
with	O
a	O
typical	O
resolution	O
of	O
150m	O
.	O
</s>
<s>
ARMOR	O
is	O
capable	O
of	O
area-specific	O
sector	O
scans	O
,	O
and	O
unlike	O
the	O
NEXRAD	B-Algorithm
Network	O
,	O
can	O
be	O
manually	O
operated	O
.	O
</s>
<s>
Currently	O
,	O
as	O
of	O
2022	O
,	O
the	O
entirety	O
of	O
the	O
National	O
NEXRAD	B-Algorithm
network	O
operates	O
with	O
dual-polarimetric	O
capabilities	O
.	O
</s>
