Welcome to the Lothians Radio Society

Scottish Charity number SC045038

  • LRS Messages of the Day

    FREE Technical books from Andy GM4LLD – See Items for Sale, below.

  • 25 Feb 2026 – BHH 20:00h – Digital Voice Modes  by Allister Watson GM7RYR

LRS MEETINGS

  • 25 Feb 2026 – BHH 20:00h – Digital Voice Modes  by Allister Watson GM7RYR

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  • 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.


  • SESAME – March IET Talk: The Voyager Interstellar Mission – 4th March  at 2.00pm Napier University Colinton Campus – Rivers Suite.
    Launched in 1977, the Voyager 1 & 2 spacecraft continue to send back scientific data despite now being almost 1 light-day from Earth.
    How has this been done and what of the future?
    The talk to be given by LRS members, James Gentles GM4WZP (engineer) and Dr John Cooke GM8OTI (scientist), will cover the achievements necessary to maintain this flow of scientific data back to Earth and the scientific discoveries made.
    You do not have to register but it does help us plan the event. The link to register is given below.

There are no posts in category “RECENT MEETINGS”

  • 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.

  • 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

Click on image or “read more” to open full article.

Send items to Alan GM3PSP:

webmaster@lothiansradiosociety.com

Items usually archived as News or Silent Keys in LRS Archive after 1 month.

  • NASA says ISS will return to Earth in 2030

    NASA says ISS will return to Earth in 2030

    NASA has announced that the International Space Station (ISS) will return to earth in 2030, set to de-orbit into the

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  • 2 Feb 2026 – GM4DIJ/B Personal Beacon in Edinburgh on 1296.7415 MHz now being heard widely.

    Brian GM4DIJ is now running an attended low-power personal beacon callsign GM4DIJ/B on 1296.7415MHz in the 23cm band. It is

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  • 29 Jan 2026 – LRS Committee Meeting at QTH-GM4HWO.

    29 Jan 2026 – LRS Committee Meeting at QTH-GM4HWO.

    The LRS Committee met at Colin GM4HWO’s QTH on 29th January 2026. Rear: Colin GM4HWO, John GM4JRT, James GM4WZP. Front:

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  • 20 Jan 2026 – Powerful X-Class Solar Flare causes Aurora in Scotland and Auroral Radio

    20 Jan 2026 – Powerful X-Class Solar Flare causes Aurora in Scotland and Auroral Radio

    Aurora from Dyke, Moray. Peter GM4DTH reports that an X1.9 flare and an associated CME were responsible for the events

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  • 8 Jan – Strange Data Transmission on Medium Wave Band.

    8 Jan – Strange Data Transmission on Medium Wave Band.

    Brian Howie GM4DIJ reports: “I’ve come across a high-speed RTTY-sounding signal on the Medium Wave Band on 570kHz . I can

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  • 19 Jan 2026 – Silent Key – “Dave-6” – David Henderson GM6KGZ

    19 Jan 2026 – Silent Key – “Dave-6” – David Henderson GM6KGZ

    David’s funeral on Wed 11th February 2026 at Mortonhall Crematorium was attended by several LRS members and other amateurs.. Click

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  • 7 Feb 2026 – FREE Technical Books available from Andy GM4LLD

     I have the following books available for FREE. If you want one, please reply direct to andy.gm4lld AT gmail.com <http://gmail.com> and I

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  • 29 Jan 2026 – Items for Sale by Norman MM0BMG (Reduced Prices).

    Norman has reduced the prices of many of the items on his list: GM1CNH Equipment Sale Updated: 29 January 2026

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  • 8 April 2015 – Spring 2015 Surplus Equipment Sale

    8 April 2015 – Spring 2015 Surplus Equipment Sale

    The Spring 2015 Surplus Equipment Sale was held on 8th April at St Fillan’s Church.   The sale items included

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  • 20 March 2015 – Solar Eclipse

    20 March 2015 – Solar Eclipse

    Photos by Brian GM4DIJ of the near-total solar eclipse.   See also: RSGB Eclipse Experiment yields data. 

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  • 25 March 2015 – Vector Network Analyzer – Brian Flynn GM8BJF

    25 March 2015 – Vector Network Analyzer – Brian Flynn GM8BJF

    LRS member Brian Flynn GM8BJF talked about The Vector Network Analyzer (VNA) at the meeting of the LRS on Wed

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  • Lecture – James Clerk Maxwell – Thursday 19 March 2015

    Lecture – James Clerk Maxwell – Thursday 19 March 2015

    Click for FULL-SIZE flier Although this lecture is free, seats must be reserved in advance by contacting Tom at: stevenson.roslin@talk21.com

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  • 11 March 2015 – Antenna Modelling – Brian Howie GM4DIJ

    11 March 2015 – Antenna Modelling – Brian Howie GM4DIJ

    Brian Howie GM4DIJ talked about and demonstrated Antenna Modelling Software at the LRS meeting on 11th March 2015. Brian writes:

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  • 25 Feb 2015 – The Cloud – Andy Sinclair MM0FMF

    25 Feb 2015 – The Cloud – Andy Sinclair MM0FMF

    The subject of the LRS meeting on 25th February was that mysterious place where we are told we shall be

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  • 11 Feb 2015 – Using a VDA on a Scottish Beach – Malcolm Hamilton GM3TAL

    11 Feb 2015 – Using a VDA on a Scottish Beach – Malcolm Hamilton GM3TAL

    Malcolm Hamilton GM3TAL talked about “Using a Vertical Dipole Array on a Scottish Beach” at the LRS meeting on Feb

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  • 28 Jan 2015 – Maritime Mobile off the West Coast – Geoff Crowley MM5AHO

    28 Jan 2015 – Maritime Mobile off the West Coast – Geoff Crowley MM5AHO

    Our good friend Geoff Crowley MM5AHO braved snowy roads on January 28th to talk about his Maritime Mobile adventures off

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  • 21 Jan 2015 – LRS Video Night at ECVS

    21 Jan 2015 – LRS Video Night at ECVS

      Aspidistra (from The Secret Wireless War)   The first LRS meeting of 2015 was the annual Video Night, arranged and

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  • New Video Section on Website – contributions invited

    New Video Section on Website – contributions invited

     One of the exciting videos now available! A new section has been added to the LRS Archive area of this

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  • 10th Dec 2014 – LRS Christmas Curry – Himalaya Restaurant

    10th Dec 2014 – LRS Christmas Curry – Himalaya Restaurant

      Colin GM4HWO, Mike MM0MLB, Peter GM4DTH, Alan GM3PSP Sixteen LRS members and friends attended the LRS Christmas Curry on

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  • 26th Nov 2014 – From Dipoles to Hexbeams in African Locations – Nick Henwood G3RWF

    26th Nov 2014 – From Dipoles to Hexbeams in African Locations – Nick Henwood G3RWF

    At the LRS meeting on 26th November 2014 Nick Henwood G3RWF talked about “From Dipoles to Hexbeams in African Locations”.

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