June 2010

<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <table cellpadding=0 cellspacing=0 border=0><tr> <td valign="top" colspan=2 height=90 BGCOLOR="#006699" TEXT="#080000" bgproperties="fixed" background="015285a1erlcgo.png"> <div> <FONT SIZE="5" COLOR="#FFCC66" FACE="Arial" ><B>Bob F Burns G3OOU</B></FONT><B>     |     </B><A HREF="index.htm" TARGET="_top" TITLE="Bob F Burns G3OOU"><U><B>home</B></U></A></div> <div> back to  <A HREF="id60.htm" TARGET="_top" TITLE="Newsletters"><U><B>Newsletters</B></U></A></div> <div> </div> </td> </tr><tr> <td valign="top" width=150 BGCOLOR="#FFCC66" TEXT="#080000" background="013d4c00dkelyh.png"> <div> <A HREF="id43.htm" TARGET="_top" TITLE="October 2009"><U>October 2009</U></A></div> <div> <A HREF="id70.htm" TARGET="_top" TITLE="November 2009"><U>November 2009</U></A></div> <div> <A HREF="id45.htm" TARGET="_top" TITLE="December 2009"><U>December 2009</U></A></div> <div> <A HREF="id50.htm" TARGET="_top" TITLE="January 2010 "><U>January 2010 </U></A></div> <div> <A HREF="id67.htm" TARGET="_top" TITLE="February 2010 "><U>February 2010 </U></A></div> <div> <A HREF="id27.htm" TARGET="_top" TITLE="March 2010"><U>March 2010</U></A></div> <div> <A HREF="id28.htm" TARGET="_top" TITLE="April 2010"><U>April 2010</U></A></div> <div> <A HREF="id23.htm" TARGET="_top" TITLE="May 2010"><U>May 2010</U></A></div> <div> <B>June 2010</B></div> <div> <A HREF="id24.htm" TARGET="_top" TITLE="July 2010"><U>July 2010</U></A></div> <div> <A HREF="id39.htm" TARGET="_top" TITLE="August 2010"><U>August 2010</U></A></div> <div> <A HREF="id40.htm" TARGET="_top" TITLE="September 2010"><U>September 2010</U></A></div> <bR> </td> <td valign="top" height=390 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <I>June 2010</I></div> <DIV ALIGN="LEFT"></DIV> <div> <B>IN THIS ISSUE</B></div> <div>  </div> <DIV ALIGN="LEFT"></DIV> <div> <B>Meeting and Activity Program</B></div> <div> <B>Event News</B></div> <div> <B>Future Club Meetings and Events</B></div> <div> <B>Members News</B></div> <div> <B>Technical Snippetts</B></div> <div> <B>Computer Corner</B></div> <div> <B>Miscellaneous</B></div> <div> <B>Noticeboard "Wanted" and "For Sale"</B></div> <div> <B>Adjacent Clubs</B></div> <bR> <div> <B>Meeting and Event Diary:</B></div> <div> <TABLE BORDER="2" CELLPADDING="1" CELLSPACING="1" WIDTH="657" BORDERCOLORLIGHT="#C0C0C0" BORDERCOLORDARK="#808080" FRAME="BOX" RULES="ALL" HSPACE="0" VSPACE="0" > <tR> <tD VALIGN=TOP HEIGHT= 57 ><NOBR><div> 04 Jun 10</div> </NOBR></tD> <tD VALIGN=TOP WIDTH="17"><div> M</div> </tD> <tD VALIGN=TOP WIDTH="225"><div> An Introduction to Military Communications - Michael O'Bierne G8MOB.</div> </tD> <tD VALIGN=TOP WIDTH="64"><div> 01 Oct 10</div> </tD> <tD VALIGN=TOP WIDTH="17"><div> M</div> </tD> <tD VALIGN=TOP WIDTH="225"><div> Repairing Vintage Radios - David Smith M0SXD</div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 38 ><NOBR><div> 02 Jul 10</div> </NOBR></tD> <tD VALIGN=TOP WIDTH="17"><div> M</div> </tD> <tD VALIGN=TOP WIDTH="225"><div> The Woodside Brickworks - Edward Handley</div> </tD> <tD VALIGN=TOP WIDTH="64"><div> 05 Nov 10</div> </tD> <tD VALIGN=TOP WIDTH="17"><div> M</div> </tD> <tD VALIGN=TOP WIDTH="225"><div> TBA</div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 38 ><NOBR><div> 06 Aug 10</div> </NOBR></tD> <tD VALIGN=TOP WIDTH="17"><div> M</div> </tD> <tD VALIGN=TOP WIDTH="225"><div> Summer Barbecue</div> </tD> <tD VALIGN=TOP WIDTH="64"><div> 07 Nov 10</div> </tD> <tD VALIGN=TOP WIDTH="17"><div> R</div> </tD> <tD VALIGN=TOP WIDTH="225"><div> West London Radio & Electronics Show</div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 38 ><NOBR><div> 03 Sep 10</div> </NOBR></tD> <tD VALIGN=TOP WIDTH="17"><div> M</div> </tD> <tD VALIGN=TOP WIDTH="225"><div> TBA</div> </tD> <tD VALIGN=TOP WIDTH="64"><div> 03 Dec 10</div> </tD> <tD VALIGN=TOP WIDTH="17"><div> M</div> </tD> <tD VALIGN=TOP WIDTH="225"><div> Christmas Social</div> </tD> </tR> </TABLE></div> <div> <I>E = External event, M = club meeting, R = Rally</I></div> <div> <B><U>Recent Event News</U></B></div> <div> <B><U>07 May 2010 - An Introduction to the UK Foundation Licence</U></B></div> <div> Our last meeting was a brief introduction to the Foundation Licence given by Victor G1PKS, Alan G8NKM and Bob G3OOU. In the time available it was only possible to cover a small part of the syllabus and members were invited to give their comments. Victor spoke to several members after the talk and gathered some feedback for our next Trainers Committee meeting.</div> <div> All three of our trainers have now completed their registration with the RSGB and work continues on preparing the training materials.</div> <div> <B><U>Future Club Meetings and Events</U></B></div> <div> <B><U>04 June 2010 - An Introduction to Military Communications - Michael O'Bierne G8MOB</U></B></div> <div> Michael writes: "I will cover the following topics</div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">The aim of military communications </div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">A brief overview of the many tasks of the Army </div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">The Chain of Command and the rank/command structure</div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Tactical communications</div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Security issues</div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Radio Relay communications</div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Briefly if time permits, electronic warfare issues.</div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">A demonstration of several military radios, e.g. MEL PRC2000 backpack SSB HF transceiver, a Clansman passive preselector for the VRC321 HF SSB transceiver and an Iraqi VHF backpack FM transceiver.</div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Questions and summing up.</div> <div> My military career started with the school CCF using WS19 and 88s and WS31s. Then 20 years plus in the TA with 71 (Yeomanry) Signal Regiment (V), then Staff College and then 6 years on the military staff of HQ SE District, Aldershot and HQ Land Forces, Wilton."</div> <div> This promises to be an extremely interesting evening.</div> <div> <B><U>2</U></B><B><U>nd</U></B><B><U> July 2010 - The History of the Woodside Brickworks - Edward Handley</U></B></div> <div> We try to have one non amateur radio talk each year and the July meeting will cover the history of a brick manufacturing company that existed in Woodside for many years. Apparently Woodside also had a racecourse many years ago.</div> <div> <B><U>Members News</U></B></div> <div> a) Victor G1PKS has very kindly offered to take on the role of Club Secretary for the remainder of this club year.</div> <div> b) The first part of your scribe's multi-function power supply unit (PSU) has been switched on with no smoke or sparks so far. The main chassis wiring is complete and secure but the front panel wiring and controls will be temporary for now as they have to be removed in order to paint and letter the panel when testing is complete.</div> <div> The following picture shows a rear view of the main chassis layout and almost completed wiring with the front panel resting slightly away from the chassis:</div> <div> <IMG SRC="37571750.jpg" border=0 width="369" height="373" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> <div> The finished unit will supply 1.3KV DC at 350mA, 300/420V DC at 200mA, -140V DC at 10mA, 12.0/12.6V AC at 15A, 6.3V AC at 3.5A, 6.3V AC at 3.5A. All of the heater supplies are isolated from ground in the PSU to avoid hum loops and the latter two supplies are going to be used with 2C39 based amplifiers where the cathodes are internally connected to one side of the heater. A low value resistor will be required to ensure that the heater voltage to each 2C39 does not exceed 6.0V.</div> <div> A simple anti-surge circuit limits the inrush current at switch on and a lockout has been provided to disable all of the HT supplies in the event of a failure of the negative bias supply.</div> <div> This PSU will be used to power a three band transverter and several power amplifiers.</div> <div> <B><U>Technical Snippets</U></B></div> <div> Using 2C39 triodes on 23cms requires some additional care compared to lower frequencies as back heating of the cathode can occur at high powers causing the cathode to overheat on transmit. The usual solution is to reduce the heater voltage to 5.5V on transmit by inserting a resistor of around 0.5 ohms in series with the heater supply to each valve. On receive this resistor is shorted out.</div> <div> Line output valves (sweep tubes in Amercian parlance) were extremely popular in the fifties and sixties in high power amplifiers because the high gain and high cathode emission levels enabled peak anode currents of one amp or more to be obtained with low drive levels. </div> <div> Designers typically used four of these valves in parallel in a grounded grid configuration to run anything up to 800W peak input on SSB which was way beyond the valve ratings. The handbooks always stated <I>"Do not hold the key down or whistle for too long!"</I> otherwise a new set of valves would be required. One manufacturer came up with an interesting design using ten valves in parallel to run 2KW peak input.</div> <div> Several common errors in all of the designs were</div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">The lack of current sharing which meant that if one valve failed it could lead to a cascade failure of all of the remaining valves. A simple solution is to add a small resistor to each cathode circuit to force current sharing.</div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">An assumption that linearity was not a problem - this was correct on CW but became a problem as SSB became more popular. One manufacturer came up with an interesting solution that compared the amplifier input and output signals and made small changes to the negative bias if non-linearity was detected. The result was a significant improvement to the inter-modulation products at the output.</div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Insufficient cooling of the valve envelopes</div> <div> A lot of these valves still exist at attractive prices so several amateurs in the States have been addressing problems in older commercial amplifiers in order to extend their cost effective operational life and minimise interference to other band users.</div> <div> Several Japanese HF transceivers used sweep tubes in the final amplifier stage. Examples of these types of valve are PL509, PL519, 6DQ6, 6JB6, 6LQ6, 25LQ6, 31LQ6. The higher voltage heater versions are significantly cheaper than the 6.3V versions and are often seen at UK radio rallies and sales.</div> <div> A simple example of a grid driven class AB1 amplifier can be seen at <A HREF="http://g4oep.atspace.com/" TARGET="_top" TITLE="http://g4oep.atspace.com/"><U><U>http://g4oep.atspace.com/</U></U></A> by selecting the "PL509 7MHz PA" option.</div> <div> <B><U>Computer Corner</U></B></div> <div> Trevor M0DIA has been investigating the installation of Kubuntu Linux on one of his PCs. Linux is well known for requiring significantly less machine resources than Windows and is ideally suited to older PCs that may not be entirely suitable for Windows.</div> <div> Most distributions of Linux provide access to libraries of free applications covering a wide range of subjects.</div> <div> <B><U>Miscellaneous</U></B></div> <div> a) Following a request by the RSGB last November, Ofcom announced on 14 May they were able to permit operation of stations by amateur radio Full licensees, using specified frequencies in the 5MHz experimental band, after the existing NoV expired on 30 June 2010 and until 30 June 2015. A fresh NoV application is required. [Source RSGB web site].</div> <div> b) The following web site provides a wide range of components for both valve and solid state equipment:</div> <div> <A HREF="http://www.partridgeelectronics.co.uk/" TARGET="_top" TITLE="http://www.partridgeelectronics.co.uk/"><U><U>http://www.partridgeelectronics.co.uk/</U></U></A></div> <div> c) There are two HF CW contests due to take place in the near future --CQWPX on 29-30 May and RSGB National Field Day on 5-6 June.</div> <div> <B><U>Notice Board - Wanted and For Sale</U></B></div> <div> The Notice Board is for all club members to use so if you have one or more items that you wish to buy or sell then please send in the details. The current list of items may be viewed at: <A HREF="http://www.g3oou.co.uk/" TARGET="_top" TITLE="http://www.g3oou.co.uk/"><U><U>http://www.g3oou.co.uk/</U></U></A> in the "Notice Board - Wanted and For Sale" section.</div> <div> Wanted:</div> <div> <B>SWL club member </B>looking for a VHF multimode receiver covering at least 144-146MHz. Contact Victor on 020 8653 2946 or Bob on 01737 552170.</div> <div> <B><U>For Sale:</U></B></div> <div> <B>Ken G3DJK </B>has a PCI Firewire Card 1349A, Maplin Code A49HH (new and unused). Best offer secures. Contact Ken on 020 8679 2717</div> <div> <B>Mode Components</B> has a website at <A HREF="http://www.modecomponents.co.uk/" TARGET="_top" TITLE="http://www.modecomponents.co.uk/"><U><U>http://www.modecomponents.co.uk/</U></U></A> and can be contacted on 0121 554 5157 or 07984 071369.</div> <div> Email at <A HREF="mailto:sales@modecomponents.co.uk" TARGET="_top" TITLE="mailto:sales@modecomponents.co.uk"><U><U>sales@modecomponents.co.uk</U></U></A> or</div> <div> <A HREF="mailto:modecomponents@yahoo.com" TARGET="_top" TITLE="mailto:modecomponents@yahoo.com"><U><U>modecomponents@yahoo.com</U></U></A></div> <div> <B>Sycom</B> run by Robin G3NFV supplies a range of electronic components & new/second hand equipment. The web site can be found at: <A HREF="http://www.sycomcomp.co.uk/" TARGET="_top" TITLE="http://www.sycomcomp.co.uk/"><U><U>http://www.sycomcomp.co.uk/</U></U></A></div> <div> <B>JAB Electronic Components, </B>PO Box 5774, Birmingham, B44 8PJ supply a wide range of electronic components and can be contacted on 0121-682-7045 or by email at: <A HREF="mailto:jabdog@blueyonder.co.uk" TARGET="_top" TITLE="mailto:jabdog@blueyonder.co.uk"><U><U>jabdog@blueyonder.co.uk</U></U></A></div> <div> 73</div> <div> <IMG SRC="37735330.jpg" border=0 width="53" height="51" ALIGN="BOTTOM" HSPACE="0" VSPACE="0">G3OOU</div> <div> <TABLE BORDER="2" CELLPADDING="1" CELLSPACING="1" WIDTH="592" BORDERCOLORLIGHT="#C0C0C0" BORDERCOLORDARK="#808080" FRAME="BOX" RULES="ALL" HSPACE="0" VSPACE="0" > <tR> <tD VALIGN=TOP HEIGHT= 20 WIDTH="582"><div> <B>Diary of External Events</B></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 20 ><NOBR><div> <B>6 Jun - Newhaven Fort Amateur Radio Group Rally and Fort Open Day </B></div> </NOBR></tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 57 WIDTH="582"><div> Newhaven Fort, East Sussex. CP, £2, OT 10.30, CBS, DF, FAM, CS, SIG, C. Sellers tables £7 each, set up 9am. Eddie, G0ECW on 01273 300772, e-mail <A HREF="mailto:eddie@zamboodle.demon.co.uk" TARGET="_top" TITLE="mailto:eddie@zamboodle.demon.co.uk"><U><U>eddie@zamboodle.demon.co.uk</U></U></A>.</div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 20 ><NOBR><div> <B>13 Jun - East Suffolk Wireless Revival (Ipswich Radio Rally)</B></div> </NOBR></tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 76 WIDTH="582"><div> The Orwell Crossing Lorry Park, A14 Eastbound, Nacton, Ipswich, IP10 0DD. RSGB Bookstall, GB4SWR HF station, Talk In S22. Opens 9.30, entry £1. Contact John, G3XDY on 07710 044858 or Steve, M1ACB on 07711 329624</div> <div> Website: <A HREF="http://www.eswr.org.uk" TARGET="_top" TITLE="http://www.eswr.org.uk"><U><U>www.eswr.org.uk</U></U></A></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 20 WIDTH="582"><div> <B>20 Jun - Newbury Radio Rally and Boot Sale - </B></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 95 WIDTH="582"><div> Newbury Showground, next to M4 J13. Big display area of amateur radio stations, exhibitions, special groups, clubs and societies. Talk In S22, opens 9.00, entry £2, Sellers have access from 8am and pitches cost £10. Details from <A HREF="http://www.rallynadars.org.uk" TARGET="_top" TITLE="http://www.rallynadars.org.uk"><U><U>www.rallynadars.org.uk</U></U></A></div> <div> Website: <A HREF="http://www.nadars.org.uk" TARGET="_top" TITLE="http://www.nadars.org.uk"><U><U>www.nadars.org.uk</U></U></A></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 20 WIDTH="582"><div> <B>25 - 27 JUN - Hamtronic Show, Friedrichshafen - </B></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 38 ><NOBR><div> Messe, Friedrichshafen, Germany. Large RSGB bookstall. Website:</div> <div> <A HREF="http://www.hamradio-friedrichshafen.de/html/en" TARGET="_top" TITLE="http://www.hamradio-friedrichshafen.de/h"><U><U>www.hamradio-friedrichshafen.de/html/en</U></U></A></div> </NOBR></tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 20 WIDTH="582"><div> <B>18 Jul - McMichael Rally and Boot Sale</B></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 77 WIDTH="582"><div> Reading Rugby Club, just off the A4 east of Reading, £2, Talk-in, Special Interest Groups, Opens 9.30. Details Pete, G8FRC, 01189 695697 01189 695697, e-mail g8frc@radarc.org</div> <div> <B>Visit website:</B> <A HREF="http://www.McMichaelRally.org.uk" TARGET="_top" TITLE="http://www.McMichaelRally.org.uk"><U><U>www.McMichaelRally.org.uk</U></U></A></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 20 WIDTH="582"><div> <B>25 Jul - Colchester Radio Amateurs Annual Rally</B></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 57 WIDTH="582"><div> St Helena School, Sheepen Road, Colchester, CO3 3LE. Opens 10.00, Talk-in, Special Interest Groups. Details Brian 01206 822547 01206 822547 brianfitz@aspects.net</div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 20 WIDTH="582"><div> <B>29 Aug - MKARS Rally</B></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 76 WIDTH="582"><div> The National Code Centre, Bletchley Park, Milton Keynes, MK63 6EB.Opens 09:30, entry £2.00, under 14s 50p. Rally fee does not include entrance to the Park and Museum. </div> <div> Web site: <A HREF="http://www.mkars.org" TARGET="_top" TITLE="http://www.mkars.org"><U><U>www.mkars.org</U></U></A> </div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 20 ><NOBR><div> <B>31 Jul - 1 Aug - AMSAT-UK International Space Colloquium</B></div> </NOBR></tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 57 WIDTH="582"><div> Holiday Inn Hotel, Egerton Road, Guildford, GU2 7XZ. Presentations on amateur satellite communications and meet the satellite builders. GB4FUN in attendance. Details at <A HREF="http://www.uk.amsat.org/content/view/704/283/" TARGET="_top" TITLE="http://www.uk.amsat.org/content/view/704"><U><U>www.uk.amsat.org/content/view/704/283/</U></U></A></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 20 WIDTH="582"><div> <B>1 -2 Oct - National Hamfest</B></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 95 WIDTH="582"><div> Bought to you by the RSGB in association with the Lincoln Short Wave Club. George Stephenson Pavilion, Newark and Nottinghamshire Showground, Lincoln Road, Winthorpe, Newark NG24 2NY (close to junction of A1/A46/A17). Morse tests on demand, RSGB Bookstall, RSGB Services & Committees.</div> <div> Website: <A HREF="http://www.nationalhamfest.org.uk" TARGET="_top" TITLE="http://www.nationalhamfest.org.uk"><U><U>www.nationalhamfest.org.uk</U></U></A></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 20 WIDTH="582"><div> <B>8-10 Oct - RSGB Convention</B></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 38 WIDTH="582"><div> Horwood House, near Milton Keynes. The RSGB is pleased to announce that the online shop is now taking bookings for the 2010 Convention.</div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 20 WIDTH="582"><div> <B>7 Nov - West London Radio & Electronics Show</B></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 76 WIDTH="582"><div> (Kempton Rally) - Kempton Park racecourse, Staines Road East, Sunbury on Thames, Middlesex TW16 5AQ. Opens 10.00, RSGB, Talk-in S22 (V44). Paul, M0CJX, 0845 165 0351 0845 165 0351, info@radiofairs.co.uk</div> <div> Website: <A HREF="http://www.radiofairs.co.uk" TARGET="_top" TITLE="http://www.radiofairs.co.uk"><U><U>www.radiofairs.co.uk</U></U></A></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 20 WIDTH="582"><div> <B>21 Nov - 33rd CATS Radio & Electronics Bazaar</B></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 57 WIDTH="582"><div> 1st Coulsdon Scout HQ, r/o Council Car Park, Lion Green Road, Coulsdon, Surrey. Open 10.00-13.00, Entry £1. Details Andy, G8JAC,</div> <div> e-mail: secretary@catsradio.org.</div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 39 WIDTH="582"><div> <B>A full list of rallies and events may be found at </B><A HREF="http://www.rsgb.org/events/index.php" TARGET="_top" TITLE="http://www.rsgb.org/events/index.php"><U><B><U>http://www.rsgb.org/events/index.php</U></B></U></A></div> </tD> </tR> </TABLE></div> <div> <B>News from other Clubs</B></div> <div> <B>Club Secretaries</B> - please send your meeting programs to Bob G3OOU. Our newsletter is now published during the third week of each month and closes for editorial input at the end of the second week. Due to differing publication dates and short lead times it is sometimes difficult to include other clubs' specific events although we will endeavour to do so if advised in time.</div> <div> <B>Chelmsford Amateur Rado Society (CARS)</B></div> <div> Secretary Martyn Medcalf G1EFL Tel: 01245-469008. First Tuesday of each month at MASC, Beehive Lane, Great Baddow, Chelmsford, CM2 9RX. Essex. UK. Web: <A HREF="http://www.g0mwt.org.uk" TARGET="_top" TITLE="http://www.g0mwt.org.uk"><U><U>www.g0mwt.org.uk</U></U></A></div> <div> <TABLE BORDER="0" CELLPADDING="1" CELLSPACING="1" WIDTH="306" BORDERCOLORLIGHT="#C0C0C0" BORDERCOLORDARK="#808080" FRAME="VOID" RULES="NONE" HSPACE="0" VSPACE="0" > <tR> <tD VALIGN=TOP HEIGHT= 38 WIDTH="58"><div> 01 Jun</div> </tD> <tD VALIGN=TOP WIDTH="241"><div> CARS Quality Table Top Sale by Colin, G0TRM.</div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 57 WIDTH="58"><div> 06 Jul</div> </tD> <tD VALIGN=TOP WIDTH="241"><div> CARS Meeting - "CARS Constructor's Competition" by Carl Thomson, G3PEM.</div> </tD> </tR> </TABLE></div> <div> <B>Coulsdon (CATS) </B>2nd Monday every month, 8pm at St Swithun's Church Hall, Grovelands Road, Purley. Contact: Andy Jackson G8JAC, 020 8651 2727, <A HREF="mailto:G8JAC@champ1,freeserve.co.uk" TARGET="_top" TITLE="mailto:G8JAC@champ1,freeserve.co.uk"><U><U>G8JAC@btinternet.com</U></U></A></div> <div> Web site: <A HREF="http://www.catsradio.org/" TARGET="_top" TITLE="http://www.catsradio.org/"><U><U>http://www.catsradio.org/</U></U></A></div> <div> <TABLE BORDER="0" CELLPADDING="1" CELLSPACING="1" WIDTH="306" BORDERCOLORLIGHT="#C0C0C0" BORDERCOLORDARK="#808080" FRAME="VOID" RULES="NONE" HSPACE="0" VSPACE="0" > <tR> <tD VALIGN=TOP HEIGHT= 19 WIDTH="58"><div> 14 Jun</div> </tD> <tD VALIGN=TOP WIDTH="241"><div> CATS annual DF hunt</div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 57 WIDTH="58"><div> 12 Jul</div> </tD> <tD VALIGN=TOP WIDTH="241"><div> Talk by our RSGB Regional Representative, Alison Rogers, G8ROG</div> </tD> </tR> </TABLE></div> <div> <B>Echelford Amateur Radio Society</B></div> <div> <A HREF="mailto:patrick@yarg.demon.co.uk" TARGET="_top" TITLE="mailto:patrick@yarg.demon.co.uk"><U>Secretary Tony Collier 2E1IDK, 01932 564099 email: </U></A><A HREF="mailto:anthony991collier@btinternet.com" TARGET="_top" TITLE="mailto:anthony991collier@btinternet.com"><U><U>anthony991collier@btinternet.com</U></U></A></div> <div> <A HREF="mailto:anthony991collier@btinternet.com" TARGET="_top" TITLE="mailto:anthony991collier@btinternet.com"><U>Web site: http://homepage.ntlworld.com/stuart.m0sar/</U></A></div> <div> Meets on 2nd and 4th Thursday of each month.</div> <div> Phone for details.</div> <div> <B>Mitcham & District Amateur Radio Society</B></div> <div> Secretary: Mike Knott G0WCR, 76 New Barnes Avenue, Mitcham, Surrey, CR4 1LF.</div> <div> Tel: 020 8764 4716</div> <div> Phone for details</div> <div> <B>Reigate Amateur Transmitting Society</B></div> <div> Secretary: Tim Trew G8JXV</div> <div> Tel: 01293 775278. Email: <A HREF="mailto:rats@qsl.net" TARGET="_top" TITLE="mailto:rats@qsl.net"><U><U>tim.trew@btinternet.com</U></U></A><A HREF="mailto:rats@qsl.net" TARGET="_top" TITLE="mailto:rats@qsl.net"><U> </U></A></div> <div> Meeting on 3rd Thursday of each month, 7:30pm at RNIB Redhill College, Philanthrophic Road, Redhill</div> <div> <B>Surrey Radio Contact Club (SRCC)</B> 1st and 3rd Monday every month, 8pm at Trinity School, South Croydon. Contact: Ray Howells G4FFY on 020 8644 7589 or <A HREF="mailto:secretary@g3src.org.uk" TARGET="_top" TITLE="mailto:secretary@g3src.org.uk"><U><U>secretary@g3src.org.uk</U></U></A> for more details.</div> <div> <TABLE BORDER="0" CELLPADDING="1" CELLSPACING="1" WIDTH="306" BORDERCOLORLIGHT="#C0C0C0" BORDERCOLORDARK="#808080" FRAME="VOID" RULES="NONE" HSPACE="0" VSPACE="0" > <tR> <tD VALIGN=TOP HEIGHT= 19 WIDTH="58"><div> 07 Jun</div> </tD> <tD VALIGN=TOP WIDTH="241"><div> Construction Contest</div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 19 WIDTH="58"><div> 05 Jul</div> </tD> <tD VALIGN=TOP WIDTH="241"><div> Summer BBQ</div> </tD> </tR> </TABLE></div> <div> <B>Sutton & Cheam RS.</B> 3rd Thursday every month, 8pm at Sutton United FC, The Borough Sports Ground, Gander Green Lane, Sutton. Contact John Puttock G0BWV on 020 8644 9945</div> <div> <TABLE BORDER="0" CELLPADDING="1" CELLSPACING="1" WIDTH="306" BORDERCOLORLIGHT="#C0C0C0" BORDERCOLORDARK="#808080" FRAME="VOID" RULES="NONE" HSPACE="0" VSPACE="0" > <tR> <tD VALIGN=TOP HEIGHT= 57 WIDTH="58"><div> 10 Jun</div> </tD> <tD VALIGN=TOP WIDTH="241"><div> Change of Date <FONT SIZE="3" COLOR="#000000" FACE="Arial" >- </FONT>Visit by RSGB Regional Manager <FONT SIZE="3" COLOR="#000000" FACE="Arial" >- Dr Alison Johnston - G8ROG</FONT></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 57 WIDTH="58"><div> 15 Jul</div> </tD> <tD VALIGN=TOP WIDTH="241"><div> ' Where Do Our Wavelengths Come From' <FONT SIZE="3" COLOR="#000000" FACE="Arial" >by Peter Chadwick - G3RZP</FONT></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 19 ><NOBR><div> 19 Aug</div> </NOBR></tD> <tD VALIGN=TOP><NOBR><div> 'ATV' <FONT SIZE="3" COLOR="#000000" FACE="Arial" >by John Stockley G8MNY</FONT></div> </NOBR></tD> </tR> </TABLE></div> <div> <B>Wimbledon. </B>2nd and last Friday every month, 8pm at Martin Way Methodist Church, Buckleigh Avenue, Merton Park, SW19 9JZ</div> <div> Contact Jim Bell, M0CON on 020 8874 7456</div> <div> <TABLE BORDER="0" CELLPADDING="1" CELLSPACING="1" WIDTH="306" BORDERCOLORLIGHT="#C0C0C0" BORDERCOLORDARK="#808080" FRAME="VOID" RULES="NONE" HSPACE="0" VSPACE="0" > <tR> <tD VALIGN=TOP HEIGHT= 57 WIDTH="58"><div> 11 Jun</div> </tD> <tD VALIGN=TOP WIDTH="241"><div> Current Issues in the Amateur Radio World <I>by Alison Johnston (G8ROG)</I></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 19 WIDTH="58"><div> 25 Jun</div> </tD> <tD VALIGN=TOP><NOBR><div> Direction Finding Hunt (144MHz)</div> </NOBR></tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 19 WIDTH="58"><div> 09 Jul</div> </tD> <tD VALIGN=TOP><NOBR><div> Planning for Summer Camp</div> </NOBR></tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 19 WIDTH="58"><div> 31 Jul</div> </tD> <tD VALIGN=TOP><NOBR><div> Summer Camp commences</div> </NOBR></tD> </tR> </TABLE></div> <bR> </td> </tr></table></body>