<s>
Band	B-Algorithm
I	I-Algorithm
is	O
a	O
range	O
of	O
radio	O
frequencies	O
within	O
the	O
very	B-Algorithm
high	I-Algorithm
frequency	I-Algorithm
(	O
VHF	B-Algorithm
)	O
part	O
of	O
the	O
electromagnetic	O
spectrum	O
.	O
</s>
<s>
The	O
first	O
time	O
there	O
was	O
defined	O
"	O
for	O
simplicity	O
"	O
in	O
Annex	O
1	O
of	O
"	O
Final	O
acts	O
of	O
the	O
European	O
Broadcasting	O
Conference	O
in	O
the	O
VHF	B-Algorithm
and	O
UHF	O
bands	O
-	O
Stockholm	O
,	O
1961	O
"	O
.	O
</s>
<s>
Band	B-Algorithm
I	I-Algorithm
ranges	O
from	O
47	O
to	O
68	O
MHz	O
for	O
the	O
European	O
Broadcasting	O
Area	O
,	O
and	O
from	O
54	O
to	O
88	O
MHz	O
for	O
the	O
Americas	O
and	O
it	O
is	O
primarily	O
used	O
for	O
television	O
broadcasting	O
in	O
compliance	O
with	O
ITU	O
Radio	O
Regulations	O
(	O
article	O
1.38	O
)	O
.	O
</s>
<s>
With	O
the	O
transition	O
to	O
digital	B-Application
TV	I-Application
,	O
most	O
Band	B-Algorithm
I	I-Algorithm
transmitters	O
have	O
already	O
been	O
switched	O
off	O
.	O
</s>
<s>
In	O
the	O
UK	O
,	O
Band	B-Algorithm
I	I-Algorithm
was	O
originally	O
used	O
by	O
the	O
BBC	O
for	O
monochrome	O
405-line	O
television	O
;	O
likewise	O
,	O
the	O
French	O
former	O
455-line	O
(	O
1937-1939	O
)	O
then	O
441-line	O
(	O
1943-1956	O
)	O
transmitter	O
on	O
the	O
Eiffel	O
Tower	O
in	O
Paris	O
,	O
and	O
some	O
stations	O
of	O
the	O
French	O
monochrome	O
819-line	O
system	O
used	O
Band	B-Algorithm
I	I-Algorithm
.	O
</s>
<s>
Other	O
European	O
countries	O
used	O
Band	B-Algorithm
I	I-Algorithm
for	O
625-line	O
analogue	O
television	O
,	O
first	O
in	O
monochrome	O
and	O
later	O
in	O
colour	O
.	O
</s>
<s>
This	O
was	O
being	O
gradually	O
phased	O
out	O
with	O
the	O
introduction	O
of	O
digital	B-Application
television	I-Application
in	O
the	O
DVB-T	O
standard	O
,	O
which	O
is	O
not	O
defined	O
for	O
VHF	B-Algorithm
Band	I-Algorithm
I	O
,	O
though	O
some	O
older	O
receivers	O
and	O
some	O
modulators	O
do	O
support	O
it	O
.	O
</s>
<s>
In	O
the	O
United	O
States	O
,	O
use	O
of	O
this	O
band	B-Algorithm
is	I-Algorithm
for	O
analog	O
NTSC	O
(	O
ended	O
June	O
12	O
,	O
2009	O
)	O
and	O
digital	O
ATSC	B-Device
(	O
current	O
)	O
.	O
</s>
<s>
Digital	B-Application
television	I-Application
has	O
problems	O
with	O
impulse	O
noise	O
interference	O
,	O
particularly	O
in	O
this	O
band	O
.	O
</s>
<s>
Some	O
countries	O
used	O
slightly	O
different	O
frequencies	O
or	O
do	O
n't	O
use	O
Band	B-Algorithm
1	I-Algorithm
at	O
all	O
for	O
terrestrial	O
broadcast	O
television	O
.	O
</s>
<s>
The	O
fast	O
growing	O
of	O
digital	B-Application
television	I-Application
as	O
well	O
as	O
the	O
susceptibility	O
of	O
this	O
band	O
to	O
interference	O
during	O
E	O
skip	O
events	O
in	O
all	O
European	O
countries	O
was	O
accompanied	O
by	O
the	O
progressive	O
closedown	O
of	O
band	B-Algorithm
I	I-Algorithm
analog	O
transmitters	O
from	O
2006	O
to	O
2020	O
.	O
</s>
<s>
In	O
the	O
countries	O
that	O
use	O
System	O
D	O
television	O
broadcast	O
system	O
,	O
the	O
channel	O
allocation	O
in	O
the	O
VHF-I	O
band	B-Algorithm
is	I-Algorithm
as	O
follows	O
:	O
</s>
<s>
Russia	O
switched	O
off	O
Band	B-Algorithm
I	I-Algorithm
transmitters	O
in	O
early	O
2020	O
.	O
</s>
<s>
Ukraine	O
,	O
Moldova	O
,	O
Kazakhstan	O
and	O
a	O
few	O
other	O
countries	O
still	O
broadcast	O
analog	O
TV	O
on	O
Band	B-Algorithm
I	I-Algorithm
in	O
2020	O
.	O
</s>
<s>
The	O
band	B-Algorithm
is	I-Algorithm
subdivided	O
into	O
five	O
channels	O
for	O
television	O
broadcasting	O
,	O
each	O
occupying	O
6MHz	O
(	O
System	O
M	O
)	O
.	O
</s>
<s>
In	O
the	O
United	O
States	O
,	O
the	O
FCC	O
will	O
occasionally	O
issue	O
a	O
license	O
for	O
87.9MHz	B-Algorithm
(	O
though	O
it	O
only	O
does	O
so	O
on	O
rare	O
occurrences	O
and	O
special	O
circumstances	O
;	O
KSFH	O
was	O
the	O
most	O
recent	O
standalone	O
station	O
to	O
use	O
87.9	O
)	O
;	O
87.7	O
,	O
which	O
is	O
approximately	O
the	O
same	O
frequency	O
as	O
the	O
audio	O
feed	O
of	O
channel	O
6	O
,	O
is	O
used	O
by	O
some	O
television	O
licenses	O
to	O
broadcast	O
primarily	O
to	O
radio	O
,	O
such	O
as	O
Pulse	O
87	O
's	O
stations	O
.	O
</s>
<s>
In	O
Japan	O
and	O
some	O
former	O
Soviet	O
republics	O
frequencies	O
lower	O
than	O
87MHz	O
are	O
still	O
used	O
for	O
the	O
FM	B-Algorithm
broadcast	I-Algorithm
band	I-Algorithm
.	O
</s>
<s>
The	O
6-meter	B-Algorithm
band	I-Algorithm
(	O
50	O
MHz	O
)	O
and	O
the	O
4-meter	B-Algorithm
band	I-Algorithm
(	O
70	O
MHz	O
)	O
are	O
used	O
by	O
radio	O
amateurs	O
.	O
</s>
