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Date: Sun, 24 Nov 2013 14:59:49 +0100
Subject: Re: [rsgb_lf_group] Submarine comms
Reply-To: rsgb_lf_group@yahoogroups.co.uk
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On 22 Nov 2013, at 18:20CET, Mike Dennison <mike.dennison@ntlworld.com> wro=
te:

> I have received the following from the BBC. Does any member of this=20
> group have direct practical or theoretical knowledge of VLF submarine=20
> comms and would be able to help? Please reply direct to me at:
> mike.dennison =3Dat=3D ntlworld.com
>=20
> "BBC Coast is making a short film about submarines.
>=20
> "As part of the piece we would like to explain how=20
> communications worked. How were messages sent from shore to
> the submarine?
>=20
> "I know you specialise in low frequencies, and I=B4d very
> much like to have a chat with you about the principles
> involved in undersea comms. Specifically about VLF ( very
> low frequency) transmissions.
>=20
> "We also hope to set up a `rough science=B4 experiment
> which would help explain how/ why VLF is able to penetrate
> water.
>=20
> "Unfortunately we are up against a tight deadline, and need
> to film the item during the first week of December."
>=20
> Thanks
> MIke, G3XDV
>=20
>=20


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