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Your ref: 1-641-1681
Dear Roger,
Thank you for your email and apologies for the delay in responding.
There is no lower limit for the definition of ‘wireless telegraphy’ in the Wireless Telegraphy Act 2006, only an upper limit*
and we
unaware of any order changing that. Transmissions below 8.3 kHz would
still be covered by the WT Act and would need the relevant
authorisation, even if there is no Allocation available in the UK FAT.
As you are most likely wanting to do this under the authorisation
of your amateur radio licence, you would need to apply for a variation.
Unfortunately,
the UK amateur radio licence does not authorise use of 73 kHz and we do
not note it in any relevant exemption regulations, such as The Wireless
Telegraphy (Testing
and Development Under Suppressed Radiation Conditions) (Exemption)
Regulations 1989. So any intended operation(s) would also have to be the
subject of a variation.
If
you wish to approach Ofcom for a NoV we would need you to provide as
much information as possible. Information required would be things like
radiated power, frequency,
bandwidth, antenna type, height, NGR, whether directional (and, if so,
direction), elevation, class of emission and purpose of use. We may be
able offer a variation, but initially this would likely be for a
temporary period e.g. six months. However, there
is no guarantee that we can authorise this use. We also note that the
73 kHz band is UK2 and that means prior approval from the MoD would need
to be sought.
*“116 “Wireless telegraphy”.
(1)
In this Act “wireless telegraphy” means the emitting or receiving, over
paths that are not provided by any material substance constructed or
arranged for the purpose,
of energy to which subsection (2) applies. .
(2) This subsection applies to electromagnetic energy of a frequency not exceeding 3,000 gigahertz that— .
(a)
serves for conveying messages, sound or visual images (whether or not
the messages, sound or images are actually received by anyone), or for
operating or controlling
machinery or apparatus; or .
(b)
is used in connection with determining position, bearing or distance,
or for gaining information as to the presence, absence, position or
motion of an object or
of a class of objects. .
(3)
The Secretary of State may by order modify the definition of “wireless
telegraphy” by substituting a different frequency for the frequency that
is for the time
being specified in subsection (2). .
(4)
No order is to be made containing provision authorised by subsection
(3) unless a draft of the order has been laid before Parliament and
approved by a resolution
of each House”
We hope the above information helps.
Regards
Ash
:: Ash Gohil
Team Leader
Spectrum Licensing
Spectrum Operations
:: Ofcom
Riverside House
2a Southwark Bridge Road
London SE1 9HA
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