Welcome to the Lothians Radio Society

Scottish Charity number SC045038

  • LRS Messages of the Day

    TONIGHT – Wed 11th March – LRS @ BHH – 8.00pm – Which Way is Up? by Malcolm Hamilton GM3TAL.

    • For details of this intriguing talk, see Upcoming Meetings below.

    Wed 25th March – LRS @ BHH – 8:00pm – Rig Testing & Calibration (practical).

  • Sat 14 March – MoC Goudie Lecture – Is Astronomy Useless?- by Prof Andy Lawrence.

    Click for details.

LRS MEETINGS

  • Wed 15 Apr – St Fillan’s Church, Buckstone Drive – 20:00h – LRS Spring Surplus Sale.

    Wed 22 Apr 2026 BHH 20:00h – Microwave energy generation advances which enabled the development of WW2 airborne radar by Dr Peter Grant, Emeritus Regius Professor of Engineering, University of Edinburgh.


  • Wed 11th March – 20:00h – BHH – What Way is Up? – Malcolm Hamilton GM3TAL.

    • Anatomy of human balance system. A wee of physics, accelerometry and angular measurements, and microdevices that can do this  (MMEs).
      Some examples of applications, medical and military. Demonstration of medical application. Intriguing!

    Wed 25th March – 20:00h – BHH – Rig Testing & Calibration (practical).


     

  • 4 March 2026 – IET Talk – The Voyager Interstellar Mission – by James GM4WZP & John GM8OTI

    4 March 2026 – IET Talk – The Voyager Interstellar Mission – by James GM4WZP & John GM8OTI

    Wed 4th March – Napier University, Colinton Campus – Rivers Suite –… Read more

  • Wed 11 Feb 2026 – LRS Quiz Night 2026

    There was a turnout of 15 for the Quiz Night 2026, prepared… Read more

  • Wed 25 Feb 2026 – Digital Voice Modes – Allister Watson GM7RYR

    Wed 25 Feb 2026 – Digital Voice Modes – Allister Watson GM7RYR

      Title:  The Digital Shift:  How  DMR is Changing the Face of… Read more

  • Sun 12 April 2026 – Norbreck (Blackpool) Rally

    Pete GM4BYF confirms that parking at the rear of the Norbreck Hotel will be free provided that car owners register on the tablet provided within the convention.

  • Saturday 28th March 2026 – 27th ANNUAL GMDX CONVENTION & DINNER

    The 27th Annual GMDX Convention & Dinner will be held on Saturday 28th March 2026 at the King Robert Hotel, Stirling, FK7 0LJ.
    A link to the Convention Programme is below, along with the booking form. Please use the instructions on the booking form, or visit the GMDX website link below to secure your booking: https://gmdx.org.uk/27th-annual-gmdx-convention-dinner/  It would be very much appreciated if you could book as soon as possible. See you there! Thanks & 73. Gordon, MM0GOR GMDX SecretaryGMDX Convention Programme 27th March 2026
  • Sunday 25 Oct 2026 – Galashiels Rally

  • Friday 14th August 2026 18:00 to 21:00 Cockenzie & Port Seton Junk Night, Port Seton Community Centre, South Seton Park Port Seton EH32 0BG

  • Sat 31 Oct 2026 – GMRT-2026 at MOC Burntisland & Dinner at Kingswood Hotel

    The 2026 Scottish Microwave Round Table (GMRT-2026) will be held as usual at the Museum of Communication in Burntisland, followed by dinner at the nearby Kingswood Hotel.

    Looking for a programme organizer for GMRT – contact Colin GM4HWO.

    Details will be available nearer the date.

  • Would like to do the 144 MHz May weekend at Gatehouse of Fleet if there are enough people?           Anyone up for this on 15 – 17 May?
    As an alternative could do the May UHF and microwaves weekend on 1 – 3 May instead?
    73 –  Norman Stewart GM1CNH
  • 2026 RSGB Contest Rules published 20 Dec 2025:
    2m May contest back to old slot.
    70cm and 23cm 24hours again for VHF NFD.
    Bonuses rather than multipliers (Post code etc) retained.

    https://www.rsgbcc.org/vhf/rules/26rules/frameindex.html

    Tnx Brian GM4DIJ.

  • The LRS operates GM3HAM/P from a great site near Gatehouse of Fleet in Dumfries & Galloway.

    5-6 July 2025 – VHF NFD – see report in About LRS – Contest / Portable.

    (This photo by Andy MMØFMF / now GM4LLD, is in RSGB RadCom Sept 2025, p.80).

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RADIO NEWS, SILENT KEYS and FOR SALE / WANTED

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  • Wed 14th March 2012 – WWII Utility Radios by Colin GM4HWO & Peter GM4DTH

    Wed 14th March 2012 – WWII Utility Radios by Colin GM4HWO & Peter GM4DTH

    Colin GM4HWO & Peter GM4DTH after their presentation. At a most enjoyable meeting of the LRS on 14th March Colin Wright GM4HWO described the

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  • 22nd Feb 2012 – Modifying PC PSUs for Radio Use by Brian Flynn GM8BJF

    22nd Feb 2012 – Modifying PC PSUs for Radio Use by Brian Flynn GM8BJF

    GM8BJF measuring voltage on a modified PC PSU At the meeting of the Lothians Radio Society on 22nd February LRS member Dr. Brian Flynn

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  • Wed 8th Feb 2012 – Aurora Explained by Dr. David Gavine

    Wed 8th Feb 2012 – Aurora Explained by Dr. David Gavine

    At the meeting of the Lothians Radio Society on Wednesday February 8th Dr. David Gavine talked on “Aurora Explained” – how it is caused by

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  • HAPPY NEW YEAR!

    HAPPY NEW YEAR!

    (Photo by GM3PSP) A Happy New Year to all our readers! We look forward to welcoming you to the meetings of

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  • Wed 11th Jan 2012 – Video Evening – ‘The Spies Who Lost the Battle of Britain’

    Wed 11th Jan 2012 – Video Evening – ‘The Spies Who Lost the Battle of Britain’

    CHL – Chain Home Low radar installation The first meeting of the LRS in 2012 was the Video Evening on

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  • Wed 25th Jan 2012 – International Lighthouses Weekend 2011 by Geoff Crowley MM5AHO

    Wed 25th Jan 2012 – International Lighthouses Weekend 2011 by Geoff Crowley MM5AHO

                 Approaching Skerryvore Lighthouse Geoff Crowley MM5AHO described and showed video footage shot by his son Matt MM1EUI of their participation in the International

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  • RSGB EGM on 19th November 2011 – All Motions Carried

    RSGB EGM on 19th November 2011 – All Motions Carried

    Photo courtesy RSGB  At the RSGB EGM held on 19th November 2011 at the Hilton Metropole Hotel, Birmingham NEC, all the

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  • Wed 14th December 2011 – LRS Christmas Curry

    Wed 14th December 2011 – LRS Christmas Curry

    Paul GM4UPN & Brian GM8BJF, winners of the annual “Largest Naan” competition in 2011. (Photo by GM3PSP) The annual Lothians Radio

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  • Wed 23rd Nov 2011 – Communication Receiver Design by David Stockton GM4ZNX

    Wed 23rd Nov 2011 – Communication Receiver Design by David Stockton GM4ZNX

    (Photo courtesy GM4ZNX) David Stockton GM4ZNX talked about Communication Receiver Design at the LRS meeting on 23rd November 2011. He described the evolution of

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  • 5th Nov 2011 – GMRT – Scottish Microwave Round Table

    5th Nov 2011 – GMRT – Scottish Microwave Round Table

    LRS Member Chris GM4YLN with Brian GM8BJF who brought a ton of test equipment to Burntisland to provide rig-testing for GMRT participants.

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  • 9th Nov 2011 – GPS – Global Positioning System – by Andy Sinclair MM0FMF

    9th Nov 2011 – GPS – Global Positioning System – by Andy Sinclair MM0FMF

    Graphic courtesy www.gps.gov  LRS Secretary Andy Sinclair MM0FMF gave a comprehensive talk about GPS – Global Positioning System – and its applications

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  • Sun 23rd Oct 2011 – Galashiels Rally

    Sun 23rd Oct 2011 – Galashiels Rally

    Jack GM1CQC & Alan GM3PSP at the LRS table at the Gala Rally 2011. (Photo by Peter GM4DTH) The Galashiels

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