Yesterday evening they were S9 on my poor 6m high INV-L. The 1810-1820
interval is unusable here.
73 Ady YO2NAA
On Tue, Feb 20, 2018 at 11:09 PM, Jean-Paul Albert via Topband <
topband@contesting.com> wrote:
> Yes Mark , around 6 pm GMT time louder than the days before.
> Shorter propagation by the moment I suppose because no eastern station at
> the grey line today.
>
> 73´
> Jean Paul
>
>
> Envoyé de mon iPad
>
> > Le 20 févr. 2018 à 21:29, Mark van Wijk <pa5mw@home.nl> a écrit :
> >
> > And just tonight they are loud again: https://www.flickr.com/photos/
> pa5mw/39676032834/in/dateposted/
> >
> > Signal level: 25dB above bandnoise
> >
> > RX antenna: 60mtr BOG in a ditch QTF 30
> >
> >
> > 73
> > Mark, PA5MW
> >
> >
> >> On 2/20/2018 10:41 AM, Roger Kennedy wrote:
> >> Yes, upon searching, I came across Alan Cordwell's web pages that he
> wrote
> >> about the old Decca HiFix navigation beacons that used to be VERY strong
> >> here in Britain, but closed down during the 90s.
> >>
> >> I emailed him about these, as they sound very similar.
> >>
> >> He confirmed that they are a Russian system that works in much the same
> way,
> >> and have low power transmitter around the Baltic.
> >>
> >> As Mark posted, here's a link to Alan's webpage which shows you how they
> >> sound:
> >>
> >> http://alancordwell.co.uk/Legacy/radionavigation/russian/bras.html
> >>
> >> They are used by fishermen to pinpoint their position so they can locate
> >> fish stocks - that's why I referred to them as fishing beacons.
> >>
> >> I'm amazed some of you can hear them in the US, as they're rarely very
> >> strong here - typically between S2 and S9, but generally around S5.
> >>
> >> But the thing to remember is that there are about 15 of them spaced
> evenly
> >> between 1800 and 1820 kHz . . and they are quite wide. So these will
> often
> >> block out weak DX signals here in Europe. So worth avoiding that part
> of
> >> the band.
> >>
> >> Hopefully they will turn them off soon, and just use GPS !
> >>
> >> 73 Roger G3YRO
> >>
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> >
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--
73 Ady
YO2NAA
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