Return-Path: Received: from mtain-mh02.r1000.mx.aol.com (mtain-mh02.r1000.mx.aol.com [172.29.96.214]) by air-me07.mail.aol.com (v129.10) with ESMTP id MAILINME073-8bba4dcd8f281c8; Fri, 13 May 2011 16:06:00 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mh02.r1000.mx.aol.com (Internet Inbound) with ESMTP id 5A1E9380000B4; Fri, 13 May 2011 16:05:57 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1QKybK-0001Dy-IL for rs_out_1@blacksheep.org; Fri, 13 May 2011 21:04:42 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1QKybJ-0001Dp-Qv for rsgb_lf_group@blacksheep.org; Fri, 13 May 2011 21:04:41 +0100 Received: from mail-iw0-f171.google.com ([209.85.214.171]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1QKybG-0002Km-Mn for rsgb_lf_group@blacksheep.org; Fri, 13 May 2011 21:04:41 +0100 Received: by iwn8 with SMTP id 8so3884972iwn.16 for ; Fri, 13 May 2011 13:04:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=RudVxvcoAZ6xkCB+Au+5BiBvddwWtj+fAOBzir4YFmc=; b=DEzNxMY/CtHtQoys8zgyQ2MFyu1t84yP2Yl6e5jfC3eZp1vUZevaMXHp+qncjQCr4E DhGVF0ki9FsBLP0Rm5znsHSw+WaE54SxxwHwIcdx4lTxF522IH6QyvQFwTzz2PZGmT/1 OI0OeYaHWtR6mbhhfdIEqtPlB3fHPoN7jyH2w= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=Q8l6PWoc1aTQo5eds9S19K//nVqIpJhALHzQsAS92Iy7Gbi7PSTgEkMLaoregzsAfh SYIHz0Jxzd6rTbqFGZPNieHiEBXebllQjxnWiY/Wnaorib+BAROuNk/OFBBHvcMBOfd3 a6NQ40t6ujSjMG8kwaRoJdyKa4wrAwALKlHXw= MIME-Version: 1.0 Received: by 10.42.151.137 with SMTP id e9mr2274503icw.448.1305317072112; Fri, 13 May 2011 13:04:32 -0700 (PDT) Received: by 10.42.221.133 with HTTP; Fri, 13 May 2011 13:04:32 -0700 (PDT) In-Reply-To: <001801cc1195$8c5239a0$0401a8c0@xphd97xgq27nyf> References: <001801cc1195$8c5239a0$0401a8c0@xphd97xgq27nyf> Date: Fri, 13 May 2011 21:04:32 +0100 Message-ID: From: Roger Lapthorn To: rsgb_lf_group@blacksheep.org DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: Re: Ofcom Update: GPS Jamming Message Content-Type: multipart/alternative; boundary=90e6ba1efbb6670e6e04a32dd0cf X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.2 required=5.0 tests=EXCUSE_16,HTML_MESSAGE 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 x-aol-global-disposition: G X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-d277.1 ; domain : gmail.com DKIM : pass x-aol-sid: 3039ac1d60d64dcd8f2568ff X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) --90e6ba1efbb6670e6e04a32dd0cf Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Thanks for the encouraging words Mal, although I've some sympathy with you= r comments. This is one of the reasons I like QRP and simple equipment. Lurking in the back of my mind is something of the survivalist mentality and the thought that a tiny QRP CW transceiver kept in readiness for WW3 or terrorist emergency is not such a daft idea. 1W CW goes a long way on HF and can be powered by many emergency power sources. I've just finished reading "The Railway Man" by Eric Lomax, a must-read bo= ok about his imprisonment and torture by the Japanese in WW2 and his later meeting and forgiving his torturer. It had me in floods of tears I was so moved. It was amazing what these guys did to be able to receive an allied signal from the depths of the jungle with next to nothing to hand. As for GPS, well it's usually a toss up between the lady with the soft voi= ce in the box on the dashboard and my XYL. My XYL is right about 75% of the time (eventually) with her navigation but she doesn't need charging and doesn't keep saying "recalculating", so I usually have her switched on. 73s Roger G3XBM On 13 May 2011 18:45, mal hamilton wrote: > Back to HF/DF using CW for a FIX and traditional Nav methods, shooting > the stars and dead reckoning. > When we get a real EMP that Zaps the solid state equipment those with th= e > old valve/tube radios and able to TX/RX morse will be highly sought afte= r. > Satellite communications can be Zapped/Jammed by amateurs never mind > professionals and likewise the Internet Hacked and rendered useless. Ha= s > someone forgot about the security aspect when designing the so called > digital technology of today. > When you Radio Operators are all knocked out call me on CW on your > 6V6/807 TX and razor blade detector RX > Appliance Operators you are doomed !! > g3kev > > > > ----- Original Message ----- > *From:* Andy Talbot > *To:* rsgb_lf_group@blacksheep.org ; ukmicrowaves@yahoogroups.com > *Sent:* Friday, May 13, 2011 4:55 PM > *Subject:* LF: Ofcom Update: GPS Jamming Message > > 100W ERP - now that's what I call REAL GPS jamming. > Any GW stations able to monitor it ? > > 'jnt > > ----- Forwarded Message ---- > From: Updates > Sent: Friday, 13 May, 2011 10:26:23 > Subject: Ofcom Update: GPS Jamming Message > > Dates jamming will take place: 31/05/2011 - 10/06/2011 > > Time periods during which jamming will take place: Periodically Mon- Fr= i > 09:00 - 17:30 > > Details of Jamming. > > a. Location of MULTIPLE jammers: Land based within 5km of N52=B0 > 00.881=92 W003=B0 38.518=92 (SN873365 =96 Dixie=92s Corner). > b. Frequencies: 24 MHz bands centred around 1176.45 MHz (L5), > 1227.60MHz (L2) and 1575.42MHz (L1). > c. Total Power: Up to 100 Watts EIRP. Whenever possible the > transmissions will be at lower powers. > d. Jammers: Both omni and directional jammers to minimise affect= ed > areas. > e. Affected areas will be line of sight from the jammers for lan= d > based GPS receivers. > > Ofcom stakeholders should contact InfoGPS.Notices@ofcom.org.uk > > ........................................................................= ... > > > Please do not respond to this email. To remove yourself from this update > list, use the online forms: > http://www.ofcom.org.uk/static/subscribe/select_list.htm. > > > > > > > > ************************************************************************= ****************************************** > For more information visit www.ofcom.org.uk > > This email (and any attachments) is confidential and intended for the us= e > of the addressee only. > > If you have received this email in error please notify the originator of > the message and delete it from your system. > > This email has been scanned for viruses. However, you open any attachmen= ts > at your own risk. > > Any views expressed in this message are those of the individual sender= and > do not represent the views or opinions of Ofcom unless expressly stated > otherwise. > > ************************************************************************= ****************************************** > > --=20 http://g3xbm-qrp.blogspot.com/ http://www.g3xbm.co.uk http://www.youtube.com/user/g3xbm https://sites.google.com/site/sub9khz/ --90e6ba1efbb6670e6e04a32dd0cf Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Thanks for the encouraging words Mal, although I've some sympathy with= your comments.

This is one of the reasons I like QRP and simple eq= uipment. Lurking in the back of my mind is something of the survivalist me= ntality and the thought that a tiny QRP CW transceiver kept in readiness= for WW3 or terrorist emergency is not such a daft idea. 1W CW goes a long= way on HF and can be powered by many emergency power sources.

I've just finished reading "The Railway Man" by Eric Lom= ax, a must-read book about his imprisonment and torture by the Japanese in= WW2 and his later meeting and forgiving his torturer. It had me in floods= of tears I was so moved. It was amazing what these guys did to be able to= receive an allied signal from the depths of the jungle with next to nothi= ng to hand.

As for GPS, well it's usually a toss up between the lady with the= soft voice in the box on the dashboard and my XYL. My XYL is right about= 75% of the time (eventually) with her navigation but she doesn't need= charging and doesn't keep saying "recalculating", so I usua= lly have her switched on.

73s
Roger G3XBM


On 13 May 201= 1 18:45, mal hamilton <g3kevmal@talktalk.net> wrote:
Back to HF/DF using CW for a FIX and traditional= Nav=20 methods,=A0 shooting the stars and dead reckoning.
When we get a real EMP that Zaps the solid state= equipment=20 those with the old valve/tube radios and able to TX/RX morse will be=20 highly=A0sought after.
Satellite=A0communications can be Zapped/Jammed= by=20 amateurs never mind professionals =A0and likewise the Internet Hacked and= =20 rendered useless. Has someone forgot about the security aspect when design= ing=20 the so called digital technology of today.
When you=A0Radio=20 Operators=A0are=A0all=A0knocked out call me on CW on your=20 6V6/807=A0TX =A0and razor blade detector=A0RX
=A0Appliance Operators you are doomed !!<= /div>
g3kev
=A0
=A0
----- Original Message -----
From:=20 Andy=20 Talbot
Sent: Friday, May 13, 2011 4:55= PM
Subject: LF: Ofcom Update: GPS= Jamming=20 Message

100W ERP - now that's what I call REAL GPS jamming.
Any GW stations able to monitor it ?

'jnt

----- Forwarded Message ----
From: Updates <Updates@ofcom.org.uk>
Sen= t:=20 Friday, 13 May, 2011 10:26:23
Subject: Ofcom Update: GPS Jamming=20 Message

Dates jamming will take place: 31/05/2011 - 10/06/2011
=A0
Time= =20 periods during which jamming will take place:=A0 Periodically Mon- Fri= =20 09:00 - 17:30
=A0
Details of Jamming.=A0=20
=A0
a.=A0=A0=A0=A0=A0=A0=A0=A0 Location of=20 MULTIPLE jammers: Land based within 5km of N52=B0 00.881=92 W003=B0 38.5= 18=92=20 (SN873365 =96 Dixie=92s=20 Corner).
b.=A0=A0=A0=A0=A0=A0=A0=A0 Frequencies: 24=20 MHz bands centred around 1176.45 MHz (L5), 1227.60MHz (L2) and 1575.42MH= z=20 (L1).
c.=A0=A0=A0=A0=A0=A0=A0=A0 Total Power: Up to=20 100 Watts EIRP. Whenever possible the transmissions will be at lower=20 powers.
d.=A0=A0=A0=A0=A0=A0=A0=A0 Jammers: Both=20 omni and directional jammers to minimise affected=20 areas.
e.=A0=A0=A0=A0=A0=A0=A0=A0 Affected areas=20 will be line of sight from the jammers for land based GPS receivers.
= =A0=20
Ofcom stakeholders should contact InfoGPS.Notices@ofcom.org.uk=20
=A0
.............................................................= ..............=20
=A0
Please do not respond to this email. To remove yourself from= =20 this update list, use the online forms: http://www.ofcom.or= g.uk/static/subscribe/select_list.htm.
=A0
=A0

=A0


*****************************************************************= *************************************************
For=20 more information visit www.ofcom.org.uk

This email (and any attachments) is confidential and intended for the= use=20 of the addressee only.

If you have received this email in error please notify the originator= of=20 the message and delete it from your system.

This email has been scanned for viruses. However, you open any attach= ments=20 at your own risk.

Any views expressed in this message are those of the individual sende= r and=20 do not represent the views or opinions of Ofcom unless expressly stated= =20 otherwise.
**********************************************************= ********************************************************

<= /div>



--
http://g3xbm-qrp.blogspot.com/<= br>http://www.g3xbm.c= o.uk
http://www= .youtube.com/user/g3xbm
https://sites.google.com/site/sub9khz/
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