<s>
The	O
Shared	B-Algorithm
Mobile	I-Algorithm
Atmospheric	I-Algorithm
Research	I-Algorithm
and	I-Algorithm
Teaching	I-Algorithm
Radar	I-Algorithm
,	O
colloquially	O
known	O
as	O
SMART-R	B-Algorithm
or	O
SR	O
,	O
is	O
a	O
mobile	O
Doppler	B-Application
weather	I-Application
radar	I-Application
platform	O
operated	O
and	O
created	O
by	O
University	O
of	O
Oklahoma	O
(	O
OU	O
)	O
with	O
aide	O
from	O
Texas	O
A&M	O
and	O
Texas	O
Tech	O
University	O
in	O
2001	O
.	O
</s>
<s>
Throughout	O
the	O
early	O
and	O
late	O
1990s	O
,	O
several	O
mobile	O
radar	O
concepts	O
came	O
to	O
be	O
,	O
often	O
involving	O
high	O
frequency	O
X-band	B-Algorithm
radars	I-Algorithm
which	O
suffer	O
significant	O
attenuation	O
,	O
and	O
often	O
lack	O
in	O
range	O
.	O
</s>
<s>
Ideally	O
,	O
these	O
radars	O
would	O
serve	O
as	O
research	O
and	O
observation	O
platforms	O
,	O
covering	O
regions	O
scarcely	O
covered	O
by	O
the	O
NEXRAD	B-Algorithm
network	O
as	O
a	O
whole	O
.	O
</s>
<s>
One	O
such	O
concept	O
later	O
went	O
on	O
to	O
become	O
the	O
Doppler	B-Algorithm
On	I-Algorithm
Wheels	I-Algorithm
,	O
now	O
a	O
fleet	O
of	O
3	O
operational	O
vehicles	O
.	O
</s>
<s>
In	O
order	O
to	O
counteract	O
the	O
problems	O
previously	O
described	O
with	O
high	O
frequency	O
radars	O
,	O
two	O
decommissioned	O
WSR-74	B-Algorithm
radars	O
,	O
originally	O
used	O
for	O
local	O
warnings	O
,	O
were	O
acquired	O
by	O
TAMU	O
.	O
</s>
<s>
These	O
two	O
radars	O
,	O
both	O
operating	O
in	O
the	O
C-band	B-Algorithm
,	O
are	O
less	O
susceptible	O
to	O
attenuation	O
in	O
precipitation	O
and	O
have	O
overall	O
greater	O
ranges	O
for	O
doppler	O
products	O
.	O
</s>
<s>
Throughout	O
the	O
rest	O
of	O
the	O
90s	O
and	O
into	O
2000	O
,	O
development	O
of	O
the	O
first	O
SMART-R	B-Algorithm
,	O
SR-1	O
,	O
began	O
.	O
</s>
<s>
The	O
highest	O
operating	O
frequency	O
for	O
SR	O
is	O
5,635	O
MHz	O
-	O
falling	O
into	O
the	O
C-band	B-Algorithm
.	O
</s>
<s>
Since	O
the	O
inception	O
of	O
the	O
project	O
,	O
both	O
SMART-Rs	B-Algorithm
have	O
performed	O
field	O
research	O
in	O
various	O
regions	O
of	O
the	O
United	O
States	O
,	O
including	O
hurricane	O
research	O
,	O
and	O
haboob	O
intensification	O
studies	O
.	O
</s>
<s>
Both	O
SMART-Rs	B-Algorithm
have	O
sampled	O
tornadic	O
supercells	O
across	O
the	O
plains	O
,	O
taking	O
part	O
in	O
projects	O
such	O
as	O
VORTEX-2	O
and	O
VORTEX-SE	O
.	O
</s>
