Message-ID: <002801cc119d$891d2cb0$0401a8c0@xphd97xgq27nyf>
From: "mal hamilton" <g3kevmal@talktalk.net>
To: <rsgb_lf_group@blacksheep.org>
References: <BANLkTi=0neCJhUwngJv08dDdWZhbBfsbWg@mail.gmail.com> <001801cc1195$8c5239a0$0401a8c0@xphd97xgq27nyf> <1305310796.5904.8.camel@pat-compaq-evo>
Date: Fri, 13 May 2011 19:42:38 +0100
MIME-Version: 1.0
Subject: Re: LF: Re: Ofcom Update: GPS Jamming Message
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Yes
No mains power needed, just pedal power and the old petrol electirc
generator, there is plenty of petrol about,  and some wet batteries.
Plenty of low consumption valves about also.
The radio operator has nothing to fear
g3kev

----- Original Message -----
From: "g4gvw" <g4gvw@aol.com>
To: <rsgb_lf_group@blacksheep.org>
Sent: Friday, May 13, 2011 7:19 PM
Subject: Re: LF: Re: Ofcom Update: GPS Jamming Message


That's right Mal. An' I'll have me old bike out, mechanically coupled=
 to
the old dynamotor from the old Command Tx sweating away to produce som=
e
HT volts too! The old Rx uses 807's, by the way! Errm, wots a razor
blade when yer an OAP?

73



On Fri, 2011-05-13 at 18:45 +0100, 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 wit=
h
> the old valve/tube radios and able to TX/RX morse will be
> highly sought after.
> Satellite communications can be Zapped/Jammed by amateurs never mind
> professionals  and likewise the Internet Hacked and rendered useless=
.
> Has 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 <Updates@ofcom.org.uk>
>         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- Fri 09:00 - 17:30
>
>         Details of Jamming.
>
>         a.         Location of MULTIPLE jammers: Land based within=
 5km
>         of N52=C2=B0 00.881=E2=80=99 W003=C2=B0 38.518=E2=80=99 (SN8=
73365 =E2=80=93 Dixie=E2=80=99s 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 affected areas.
>         e.         Affected areas will be line of sight from the
>         jammers for land 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.
>
>
>
>
>
>
>
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--
73 es gd dx de pat g4gvw
 qth nr felixstowe uk
(east coast, county of suffolk)