[HCDX] Re: [mwdx] Regarding 675 kHz NRK.

[Alf Årdal <alfardal@xxxxxxxxx>]

Guido..Andy and others on the list!

Regarding 675 kHz with the tx drop-outs,the noise always appear when the
transmissions drops out...!

I haven't heard a DRM transmission yet...but for me it sounds extraordinary the
noise that appears.....

As mentioned earlier,Norkring says there is no DRM tests,so official.....no.

Regards

Alf Aardal


Guido Schotmans wrote:

> Thanks for your investigations Alf and Andy, but the info is a bit in
> contradiction :
>
> The signal I heard had all characteristics of a DRM transmission but was not
> always present. The signal was also fading in and out propagationwise. Maybe
> the source was not NRK but another station. But it was clearly coming from
> the North.
>
> Alf Årdal wrote :
>
> > Been in touch with Norkring,which is responsible for all MW stations
> > (and others as well),there is no DRM transmissions on NRK 675 Røst,at
> > least no DRM-equipment is installed at the tx.
> > At the moment it seems like the tx is having tx problems,tx drops in and
> > out,and has a very high noise level at my own QTH. So looks like the
> > failure is periodic.
> >
> > This failure has been for several days,but I havent made a big notice of
> > it before today,so I hope tx failure would be fixed as soon as possible.
> >
> > Tx was in for a 15-20 minutes time,and dropped out again at 1410 UTC.
> >
> > Best 73's
> > Alf Aardal
>
> Andy Sennitt wrote :
>
> > I understand that Norkring did indeed conduct DRM tests last week
> > for a couple of hours a day from Rost (20 kW) on 675. So that
> > would have been the source of the noise you heard. This
> > information was not published on our DRM page as we did not get
> > it in time :-(
>
> More opinions ?
>
> Thanks for your input.
>
> Guido.

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