<s>
The	O
extended	O
mediumwave	O
broadcast	B-Operating_System
band	O
,	O
commonly	O
known	O
as	O
the	O
AM	B-Algorithm
expanded	I-Algorithm
band	I-Algorithm
,	O
refers	O
to	O
the	O
broadcast	B-Operating_System
station	I-Operating_System
frequency	B-Algorithm
assignments	I-Algorithm
immediately	O
above	O
the	O
earlier	O
upper	O
limits	O
of	O
1600kHz	O
in	O
International	O
Telecommunication	O
Union	O
(	O
ITU	O
)	O
Region	O
2	O
(	O
the	O
Americas	O
)	O
,	O
and	O
1602kHz	O
in	O
ITU	O
Regions	O
1	O
(	O
Europe	O
,	O
northern	O
Asia	O
and	O
Africa	O
)	O
and	O
3	O
(	O
southern	O
Asia	O
and	O
Oceania	O
)	O
.	O
</s>
<s>
In	O
Regions	O
1	O
and	O
3	O
,	O
where	O
frequency	B-Algorithm
assignments	I-Algorithm
are	O
spaced	O
nine	O
kHz	O
apart	O
,	O
the	O
result	O
is	O
eleven	O
additional	O
frequencies	O
,	O
from	O
1611kHz	O
to	O
1701kHz	O
.	O
</s>
<s>
These	O
frequencies	O
are	O
also	O
used	O
by	O
a	O
number	O
of	O
"	O
hobby	O
"	O
pirate	B-Application
radio	I-Application
stations	I-Application
,	O
particularly	O
in	O
the	O
Netherlands	O
,	O
Greece	O
,	O
and	O
Serbia	O
.	O
</s>
<s>
Vatican	O
Radio	O
for	O
many	O
years	O
transmitted	O
on	O
1611kHz	O
,	O
before	O
ceasing	O
broadcasts	B-Operating_System
on	O
this	O
frequency	O
in	O
2012	O
.	O
</s>
<s>
480	O
"	O
,	O
which	O
stated	O
that	O
"	O
In	O
Region	O
2	O
,	O
the	O
use	O
of	O
the	O
band	O
1605-1705	O
kHz	O
by	O
stations	O
of	O
the	O
broadcasting	O
service	O
shall	O
be	O
subject	O
to	O
a	O
plan	O
to	O
be	O
established	O
by	O
a	O
regional	O
administrative	O
radio	O
conference	O
...	O
"	O
As	O
a	O
consequence	O
,	O
on	O
June	O
8	O
,	O
1988	O
an	O
ITU-sponsored	O
conference	O
held	O
at	O
Rio	O
de	O
Janeiro	O
,	O
Brazil	O
adopted	O
provisions	O
,	O
effective	O
July	O
1	O
,	O
1990	O
,	O
to	O
extend	O
the	O
upper	O
end	O
of	O
the	O
Region	O
2	O
AM	O
broadcast	B-Operating_System
band	O
,	O
by	O
adding	O
ten	O
frequencies	O
which	O
spanned	O
from	O
1610kHz	O
to	O
1700kHz	O
.	O
</s>
<s>
These	O
stations	O
were	O
authorized	O
before	O
changes	O
in	O
2014	O
set	O
aside	O
the	O
AM	B-Algorithm
expanded	I-Algorithm
band	I-Algorithm
,	O
along	O
with	O
106-108MHz	O
on	O
FM	O
,	O
for	O
social	O
community	O
and	O
social	O
indigenous	O
radio	O
stations	O
.	O
</s>
<s>
In	O
the	O
United	O
States	O
,	O
implementation	O
of	O
the	O
North	O
American	O
Regional	O
Broadcasting	O
Agreement	O
in	O
1941	O
by	O
the	O
Federal	O
Communications	O
Commission	O
(	O
FCC	O
)	O
had	O
established	O
1600kHz	O
as	O
the	O
upper	O
limit	O
for	O
the	O
standard	O
AM	O
broadcast	B-Operating_System
band	O
.	O
</s>
<s>
(	O
Currently	O
1710kHz	O
is	O
unused	O
by	O
TIS	O
stations	O
with	O
one	O
exception	O
:	O
a	O
waiver	O
has	O
been	O
granted	O
to	O
Hudson	O
County	O
,	O
New	O
Jersey	O
to	O
operate	O
a	O
single-frequency	B-Device
network	I-Device
(	O
WQFG689	O
)	O
)	O
.	O
</s>
<s>
One	O
policy	O
the	O
FCC	O
has	O
generally	O
enforced	O
is	O
that	O
the	O
two	O
stations	O
must	O
remain	O
under	O
common	O
ownership	O
,	O
although	O
one	O
exception	O
was	O
made	O
in	O
the	O
case	O
of	O
KYHN	O
in	O
Fort	O
Smith	O
,	O
Arkansas	O
,	O
when	O
the	O
FCC	O
approved	O
its	O
separate	O
ownership	O
,	O
on	O
the	O
grounds	O
that	O
"	O
Capstar	O
's	O
donation	O
of	O
the	O
facility	O
to	O
MMTC	O
,	O
which	O
planned	O
to	O
use	O
KYHN	O
to	O
train	O
women	O
and	O
minority	O
group	O
members	O
in	O
broadcasting	O
and	O
broadcast	B-Operating_System
management	O
,	O
advanced	O
the	O
diversity	O
goals	O
set	O
forth	O
in	O
the	O
pending	O
proceeding	O
Promoting	O
Diversification	O
of	O
Ownership	O
in	O
the	O
Broadcasting	O
Services	O
"	O
.	O
</s>
<s>
A	O
suggestion	O
to	O
also	O
include	O
"	O
abandoned	O
AM	B-Algorithm
expanded	I-Algorithm
band	I-Algorithm
facilities	O
that	O
were	O
approved	O
but	O
never	O
built	O
"	O
was	O
denied	O
.	O
</s>
<s>
The	O
1992	O
Broadcasting	O
Services	O
Act	O
introduced	O
"	O
narrowband	O
"	O
station	O
classifications	O
,	O
for	O
broadcasts	B-Operating_System
targeting	O
specialized	O
non-general	O
audiences	O
,	O
primarily	O
in	O
the	O
larger	O
cities	O
,	O
and	O
a	O
majority	O
of	O
stations	O
assigned	O
from	O
1611	O
to	O
1701kHz	O
are	O
low-powered	O
(	O
400	O
watts	O
or	O
less	O
)	O
Narrowband	O
Area	O
Service	O
stations	O
(	O
MF-NAS	O
)	O
.	O
</s>
<s>
The	O
AM	B-Algorithm
expanded	I-Algorithm
band	I-Algorithm
in	O
Japan	O
extends	O
to	O
1629kHz	O
.	O
</s>
<s>
In	O
the	O
Philippines	O
,	O
the	O
first	O
AM	B-Algorithm
expanded	I-Algorithm
band	I-Algorithm
radio	O
station	O
in	O
low	O
power	O
format	O
broadcasting	O
in	O
Marikina	O
is	O
DZBF	O
,	O
"	O
Radyo	O
Marikina	O
1674	O
"	O
,	O
started	O
on	O
July	O
25	O
,	O
1996	O
.	O
</s>
