<s>
The	O
band	O
is	O
in	O
the	O
medium	B-Algorithm
frequency	I-Algorithm
(	O
MF	O
)	O
region	O
,	O
within	O
the	O
415	O
–	O
526.5	O
kHz	O
maritime	O
band	O
.	O
</s>
<s>
Recently	O
amateurs	O
have	O
experimented	O
with	O
weak-signal	O
radio	O
communication	O
near	O
474.2kHz	O
,	O
utilising	O
WSPR	B-Protocol
.	O
</s>
<s>
Amateurs	O
wishing	O
to	O
operate	O
on	O
the	O
band	O
will	O
need	O
to	O
notify	O
and	O
be	O
separated	O
at	O
least	O
1km	O
(	O
1000	O
yards	O
)	O
from	O
electric	O
transmission	O
lines	O
that	O
carry	O
power-line	B-Device
communication	I-Device
(	O
PLC	O
)	O
signals	O
that	O
use	O
the	O
same	O
band	O
.	O
</s>
