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[195.171.43.25]) by mx.google.com with ESMTP id w7si1300933wjw.100.2014.02.26.09.41.01 for ; Wed, 26 Feb 2014 09:41:02 -0800 (PST) Received-SPF: neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) client-ip=195.171.43.25; Authentication-Results: mx.google.com; spf=neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) smtp.mail=owner-rsgb_lf_group@blacksheep.org; dkim=fail header.i=@gmail.com; dmarc=fail (p=NONE dis=NONE) header.from=gmail.com Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1WIhqP-000638-HJ for rs_out_1@blacksheep.org; Wed, 26 Feb 2014 17:00:29 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1WIhqO-00062x-Ro for rsgb_lf_group@blacksheep.org; Wed, 26 Feb 2014 17:00:28 +0000 Received: from mail-qc0-f181.google.com ([209.85.216.181]) by relay1.thorcom.net with esmtps (TLSv1:RC4-SHA:128) (Exim 4.77) (envelope-from ) id 1WIhqL-0003rs-2L for rsgb_lf_group@blacksheep.org; Wed, 26 Feb 2014 17:00:27 +0000 Received: by mail-qc0-f181.google.com with SMTP id c9so1698316qcz.40 for ; Wed, 26 Feb 2014 09:00:23 -0800 (PST) X-DKIM-Result: Domain=gmail.com Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=RPSTD6CsBhk7Q8b3uq0lraLyr9rXr66ngwVawzytPik=; b=FmIYDrKXO+x4i2iru4fR3HeGbe6/9NYNkNFnZeUfPAUpteA1ahMLsdrkNqmThBZXhY +Ap0rp63kwp5BLc4IZb8MeaTkupFCRPCumFDYLgAUAUNq1hGSgGXJCjy5yPe3gtkYREV 1IrdCM/LoyCp0PHS0jp80M7cKQyiybZ2g7lsnPquKuRZNqhGxoD9xkrtCk+524gTWgYS HtwwjKq7u4Sihvf/Q4cwRcXww31llXgi19RSlfZ3epTJpldUH/ik6G3hiLT3paJO15OB rfAkSDpwAjJqdjOxxEsoHRE4ADcRhbQdmF9fW0iuR46/8uTgd/XnxqwPkhVOz03nASLQ 7oFw== MIME-Version: 1.0 X-Received: by 10.140.37.146 with SMTP id r18mr537399qgr.61.1393434023158; Wed, 26 Feb 2014 09:00:23 -0800 (PST) Received: by 10.229.241.197 with HTTP; Wed, 26 Feb 2014 09:00:22 -0800 (PST) Date: Wed, 26 Feb 2014 17:00:22 +0000 Message-ID: From: Roger Lapthorn To: "rsgb_lf_group@blacksheep.org" , rsgb_lf_group@yahoogroups.co.uk X-Spam-Score: -0.4 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: *For those interested in the official UK OFCOM response see below:* *A precis of the following is basically that in the UK you need an NoV to operate below 8.3kHz and (just maybe can get one for) low powered operation around 73kHz with MoD approval for 6 month periods. Above 3000GHz (e.g. IR and optical) the wireless telegraphy act does NOT apply. Earth-mode or utilities assisted earth-mode (through the ground) can be used without a licence (is my reading) but not if signals are essentially radiated. No real surprises, but disappointingly "official" and " boring" responses. No initiative being shown on their part. The thrust seems to be EM radiation, so where the propagation is essentially by induction I think one may be exempt too.* [...] Content analysis details: (-0.4 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [209.85.216.181 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (rogerlapthorn[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 0.0 HTML_MESSAGE BODY: HTML included in message 0.3 HTML_FONT_FACE_BAD BODY: HTML font face is not a word 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 6ae4eec5875a1b41a36d2a35c03bf59e Subject: LF: OFCOM response re: UK sub-8.3kHz and very low power around 73kHz Content-Type: multipart/related; boundary=001a11c1628ef7fe8504f3522386 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.1 required=5.0 tests=HTML_40_50,HTML_FONTCOLOR_BLUE, HTML_FONTCOLOR_RED,HTML_FONTCOLOR_UNSAFE,HTML_FONT_FACE_BAD, HTML_MESSAGE,HTML_TAG_EXISTS_TBODY autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false --001a11c1628ef7fe8504f3522386 Content-Type: multipart/alternative; boundary=001a11c1628ef7fe8304f3522385 --001a11c1628ef7fe8304f3522385 Content-Type: text/plain; charset=ISO-8859-1 *For those interested in the official UK OFCOM response see below:* *A precis of the following is basically that in the UK you need an NoV to operate below 8.3kHz and (just maybe can get one for) low powered operation around 73kHz with MoD approval for 6 month periods. Above 3000GHz (e.g. IR and optical) the wireless telegraphy act does NOT apply. Earth-mode or utilities assisted earth-mode (through the ground) can be used without a licence (is my reading) but not if signals are essentially radiated. No real surprises, but disappointingly "official" and " boring" responses. No initiative being shown on their part. The thrust seems to be EM radiation, so where the propagation is essentially by induction I think one may be exempt too.* *"Spectrum Licensing (to me)* *Your ref: 1-641-1681low * 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 *A*sh *:: Ash Gohil* *Team Leader* *Spectrum Licensing* *Spectrum Operations* * 020 7783 4425* *ash.gohil@ofcom.org.uk* *:: Ofcom* * Riverside House* * 2a Southwark Bridge Road* * London SE1 9HA* *www.ofcom.org.uk * *[image: cid:image001.jpg@01CA3525.FD8D2BF0]" * -- http://g3xbm-qrp.blogspot.com/ http://www.g3xbm.co.uk https://sites.google.com/site/sub9khz/ http://qss2.blogspot.com/ http://www.youtube.com/user/g3xbm --001a11c1628ef7fe8304f3522385 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
For those interested in the official UK OFCOM response = see below:

A precis of the following is basically that = in the UK you need an NoV to operate below 8.3kHz and (just maybe can get one for) low powered operation around 73kHz with MoD approval for 6 mo= nth periods. Above=20 3000GHz (e.g. IR and optical) the wireless telegraphy act does NOT apply.= =20 Earth-mode or utilities assisted earth-mode (through the ground) can be=20 used without a licence (is my reading) but not if signals are=20 essentially radiated.  No real surprises, but disappointingly "of= ficial"  and " boring" responses. No initiative being s= hown on their part. The thrust seems to be EM radiation, so where the propa= gation is essentially by induction I think one may be exempt too.



<= /p>


"Spectrum Licensing (to me)

Your ref: 1-641-1681lo= w

Dear Roger,

Thank you for your email and apolog= ies for the delay in responding.

<= p>There is no lower limit for the definition of ‘wireless teleg= raphy’ in the Wireless Telegraphy Act 2006, only an upper limit* and we unaware of any order changing that. Transmissions below 8.3 kHz would=20 still be covered by the WT Act and would need the relevant=20 authorisation, even if there is no Allocation available in the UK FAT. = ;=20 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)=20 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=20 much information as possible. Information required would be things like=20 radiated power, frequency, bandwidth, antenna type, height, NGR, whether directional (and, if so,=20 direction), elevation, class of emission and purpose of use. We may be=20 able offer a variation, but initially this would likely be for a=20 temporary period e.g. six months. However, there is no guarantee that we can authorise this use.  We also note that th= e=20 73 kHz band is UK2 and that means prior approval from the MoD would need to be sought. 

*“116     “Wireless telegraph= y”.

(1)     &n= bsp;  In this Act “wireless telegraphy” means the emitting or receiv= ing, over paths that are not provided by any material substance constructed or=20 arranged for the purpose, of energy to which subsection (2) applies. .

(2)        This sub= section applies to electromagnetic energy of a frequency not exceeding 3,00= 0 gigahertz that— .

(a)     &n= bsp;  serves for conveying messages, sound or visual images (whether or not=20 the messages, sound or images are actually received by anyone), or for=20 operating or controlling machinery or apparatus; or .

<= font style=3D"font-size:10pt" face=3D""Arial","sans-serif&qu= ot;">(b)        is used in connection with determining position, bearing or distance,=20 or for gaining information as to the presence, absence, position or=20 motion of an object or of a class of objects. .

(3)        The Secretary of State may by order modify the definition of “wirele= ss=20 telegraphy” by substituting a different frequency for the frequency t= hat is for the time being specified in subsection (2). .

(4)        No order is to be made containing provision authorised by subsection=20 (3) unless a draft of the order has been laid before Parliament and=20 approved by a resolution of each House”

We = hope the above information helps.

=

Regards

Ash

<= /div>

:: Ash Gohil

   <= /font>Team Leader

  Spectrum Licensing

  Spectrum Operations

  020 7783 4425<= /p>

 &= nbsp;ash.gohil@ofcom.org.uk<= /font>

:: Ofcom

    Riverside House

   2a Southw= ark Bridge Road

   www.ofcom.org.= uk


3D"cid:image001.jpg@01CA3525.FD8D2BF0""


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