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Ciao Paul many thanks for your reply. Interesting things you said to me about MI5! ciao 2014/1/24 Beaumont, Paul <p.beaum...@imperial.ac.uk>: > Visit http://mailman.qth.net/mailman/listinfo/spooks to unsubscribe from this > list > > Some of us already use triangulation to prove the point of transmission. > > MI5 has/had a system codenamed RAFTER that allowed them to intercept the > product of the master oscillator and mixer of receiver used by the agent so > that they could prove reception of NS. It was this system that featured in > the prosecution of Gordon Lonsdale one of the Portland Spy Ring. > > Cheers > Paul > > -----Original Message----- > From: spooks-boun...@mailman.qth.net [mailto:spooks-boun...@mailman.qth.net] > On Behalf Of Gian Romani > Sent: 24 January 2014 10:18 > To: spooks@mailman.qth.net > Subject: [Spooks] FIRST QUESTION ON NS > > Visit http://mailman.qth.net/mailman/listinfo/spooks to unsubscribe from this > list > > Good morning. This is my first question: > It has been said many times, and now is given to established, that these > transmissions are to be received by agents located throughout the area and > that one of the strengths of this system of communication of messages is the > fact of not having to use special devices to be able to receive. Infact, as > we have always said, we just need a shortwave radio, cheap, small and > convenient, that does not arouse suspicion. I noticed that in many cases it > goes on the hunt for signs of Numbers Stations with instrumentation, and > especially antennas, complex and huge, which will surely help to receive > distant signals but in my opinion are not logical to use for receipt of NS. > That is, I mean, to understand exactly where they come from and who they are > eventually destined for the messages, it is useless to resort to huge > antennas and professional receivers because I think that we don't have to > hunt for the signal to reach the source, we don't have to go as far as > possible, but we have to le t > the signals come to us. Agents who have to receive messages don't use > professional receivers and big antennas to wire all over the garden or on the > roof. If it's true that agents use little receivers and antennas, with > similar devices monitors have to try to find the signals. It is obvious that > a SWL with such powerful devices can hear even really far signals, but this > is not in the intention of NS programmes. The sense of NS, if we want to > understand something more, is to receive them with the same devices used by > agents. A signal sent for example from Russia for agents located in Italy is > easily receivable with professional receivers and wire antennas cut for the > right band. But to understand exactly who it is for that message need trying > with domestic receivers and antennas. > If the signal is perfectly received all over Italy it means that signal is > potentially routed to agents in Italy. If in Italy, with domestic devices, > that signal is not receivable, it means that message is not intended to > agents in that area. To try to understand where they came from but also where > they have to go then is useful to try to do triangulations reception operated > by monitors located everywhere and can operate with the same home equipment. > Just so we can groped to identify areas of sending/receiving messages. It is > correct my idea? > Do you agree with this point of view? > > Bye, Naig > ______________________________________________________________ > Spooks mailing list > Home: http://mailman.qth.net/mailman/listinfo/spooks > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Spooks@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ > Spooks mailing list > Home: http://mailman.qth.net/mailman/listinfo/spooks > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Spooks@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Spooks mailing list Home: http://mailman.qth.net/mailman/listinfo/spooks Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Spooks@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html