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 <pa...@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 >> >> _________________ >> Topband Reflector Archives - http://www.contesting.com/_topband > > _________________ > Topband Reflector Archives - http://www.contesting.com/_topband _________________ Topband Reflector Archives - http://www.contesting.com/_topband