Guard bands for all 27 listed NDBs would present a problem as the MCW
receivers would be at least 2.5kHz wide. Fortunately, any
interference
from amateurs is likely to be extremely local. Our small
signal working is
likely to suffer more QRM =from= the NDBs than to
them.
Mike,
G3XDV
==========
> Twenty-seven NDBs have been logged in Europe
between 472-479kHz.
> Twelve of those have been logged from the
UK.
> The NDB database on the Classaxe web site would provide
detailed
> information on frequencies which should be avoided. It should
be borne
> in mind that the NDBs use A2 mode with a mix of approx 400Hz
and
> 1020Hz modulation, so there are a good number of specific slots to
be
> wary of.
>
> http://www.classaxe.com/dx/ndb/reu/
>
> Perhaps some consideration should be given to setting up some form
of
> guard bands/frequencies in order to avoid any problems with
NDBs?
>
> 73s Tracey G5VU
