[Lf] Rugby site]

[Andre' Kesteloot]

Talbot Andrew wrote:

> Allegedly and without predjudice, as long as certain people want to
> exist safely underneath the sea, Rugby and Criggion will remain.  The
> phase stabilisation Alan mentions allows, amongst other things, the
> remote monitoring of transmitter health from remote sites .  Who said
> that ?!  :-||
>
> According to Tom Clancy, in "The Hunt for Red October"  there is a
> transmission of coded groups to very deep operating "Boomers" at a data
> rate that appears to be in the region of a bit per second (one minute
> per message). The groups would encode messages such as "Come to the
> surface immediately for a satellite transmission", or "Fire !". If it is
> not all a fiction invented by an author with a large collection of
> friends working at interesting places. Speculatively of course, this
> would be at a frequency in the 60 - 170Hz region - which makes even
> amateur 9kHz experiments seem tame.   It is stated that in the US there
> are lines looking like old fashioned telegraph wires many hundreds
> (1000s ?) of km long carrying signals that make fences spark.
>
> At these frequencies a ground loop antenna is the only realistic sort of
> antenna that could be made to operate with reasonable efficiency and
> long low slung wires which wouldn't have to even be grounded at the far
> end if long enough would form just such an antenna -    Some people have
> suggested - and this is no sxcrxt - that the UK tried some propagation
> tests at ULF (Ultra Low Frequency,   30 - 300Hz or shold this be SLF) in
> the 1960s, but decided we didn't need the deep operations around the
> world this would allow.  I was told once (by someone long retired from
> the business)  that there were ideas to use the third rail of the
> railway network to form the antenna for a ULF transmission, others
> proposed the National Grid but the idea of a multiplexer to separate
> 50Hz from the transmitting freq (at say 100 Hz) would be 'interesting'
>
> Anon G^JN*
>
> > If anyone can arrange a visit to Rugby Radio Station before
> > it all goes the
> > same way I am sure there would be plenty of takers.
> >
> > Cheers de Alan G3NYK
> >
>
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