Re: Inmarsat on drdish@tv
Date: Mon, 23 Feb 1998 23:42:27 +0100
References: <firstname.lastname@example.org> <34F1F47C.5AFA3D69@cuci.nl>
> Dr.Dish wrote:
> > ..... If you use your own (or others) knowledge it is quite
> > >easy to intercept the fax-signals. On the other hand using just
> > >voice-transmission gives you a lot of information. Minutes ago I
> > >followed the communication between a very well known journalist out
> > of
> > >Bagdad with his home-base. This kind of information is much more
> > >valuable as some boring data about shipments. And emergency calls
> > >the IOR-Inmarsat dealing with piracy are still made in voice.
> > Hello Doctor!
> > I was wondering what equipment is needed to accomplish this
> > (intercept
> > voice calls). You say it is illegal to tell everyone how to do it,
> > but it's
> > ok to be told by a friend who has the knowledge. Well, being a
> > friend,
> > maybe you cold give me a few hints as to how to do it?
> > Any suggestions would be greatly appreciated!!
> > Gustav.
> It is illegal in some countries. In others not. So, I do not know
> you are living and I am not a censor....
> You will need a antenna for the spectrum 1500 to 1600 MHz (RHC), but
> could be also a yagi (24 elem.) and a amplifier for this
> frequency-range. A IF-amplifier from an old LNB will do nicely (you
> to cut them out from the lnb and provide external power. This was been
> documented one year ago in TSI)..
> Next the receiver: a old IR7000 or a IR100 from Icom will do it. This
> receivers are found in 2.hand offers. If you like to pay some more
> to get a wider range and more sensitivity in the l and s-band, look
> the AOR 5000. But also a cheaper 3000 will be fine.
> To align your antenna switch the receiver to 1537 MHz (15
> and move the antenna carefully to 15.6 degr. west with the proper
> elevation for your aerea. This is the position of INMARSAT 3F2. On
> receiver you should hear now AFN-radio. It is 24 hours on air. Align
> antenna for maximum signal and search the band in FM (6 and 15 kHz)
> between 1525 and 1548 MHz for signals. Many voice-com can be found on
> 1538.300 but also on other channels up to 1544 MHz. The rane 1544-1545
> is used for emergency traffic and from 1545 to 1548 for air-com. Try
> decode CNN (digital) as service for air-liners.
> A am using as antenna a helix with amplifier on a 1m-offest dish. this
> antenna is made by Koeditz-Nachrichtentechnik in Germany.
> Good luck!
> Christian Mass (Dr.Dish)
> Senior-Editor of TELE-satellite International
> Producer of drdish@tv
Christian Mass (Dr.Dish)
Senior-Editor of TELE-satellite International
Producer of drdish@tv
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