Welcome to the Lothians Radio Society

Scottish Charity number SC045038

  • LRS Messages of the Day

    Wed 15th Oct 2025: LRS Surplus Sale at St. Fillan’s Church, Buckstone Drive, EH10 6PD. Doors  open at 7.30pm for 8pm start.

    Sat 18 Oct 2025 : 11:00am MoC Goudie Lecture – Britain’s Contribution to Victory in World War II by Roy Johnstone, followed by buffet lunch.

    Tues 28 Oct 2025 – Bletchley Park talk at Newington Library – see News Item, below.

    Sat 1 Nov 2025 – GMRT-2025 – Only 2 places left – book now! See Rallies etc below.

LRS MEETINGS

  • PLEASE NOTE LECTURE TIME IS 11:00 NOT 11:30AM.

  • AUTUMN 2025

    Wed 15th Oct (3rd Wed) – 8pm at St Fillan’s Church, Buckstone Drive – LRS Surplus Equipment Sale. Do not arrive before 7:30pm.

    Sat 18 Oct 2025 : 11:00am MoC Goudie Lecture – Britain’s Contribution to Victory in World War II by Roy Johnstone, followed by buffet lunch.

    Wed 29th Oct – Pub Night at Wee Bennet’s Bar, Maxwell St., Morningside Stn.

    Wed 12th Nov at 14:00h at Napier Univ. Craiglockhart – Technological advances in the development of WW2 airborne radar by Prof. Peter Grant. Click for details.

    Wed 12th Nov at 20:00h at BHH: Radio Safari to Eswatini  3DA0 by Malcolm Hamilton GM3TAL 

    Wed 26th Nov – at BHH: Something to do with Beacons by Brian Flynn GM8BJF.

    Wed 10th Dec:  LRS Xmas Curry:  8:00pm at Kahani Indian Restaurant (BYOB), 10 Antigua Street, after pre-dinner drinks at 7:00-7:55pm at Jeremiah’s Tap, Elm Row. 


  • 1st Oct 2025 – Using Ansys HFSS Software for Amateur Radio Projects by Brian Howie GM4DIJ.

    1st Oct 2025 – Using Ansys HFSS Software for Amateur Radio Projects by Brian Howie GM4DIJ.

    Brian discussed the workings of Ansys HFSS = High Frequency RF Simulation… Read more

  • 24 Sept 2025 – LRS Visit to MoC TV Exhibition & Bletchley Park Talk by Pete GM4BYF.

    24 Sept 2025 – LRS Visit to MoC TV Exhibition & Bletchley Park Talk by Pete GM4BYF.

    Speaker Pete GM4BYF was introduced by MoC Chair, Prof Tom Stevenson. Wed… Read more

  • Sat 1 Nov 2025 – Scottish Microwave Round Table (GMRT-2025)

    The 13th Scottish Microwave Round Table GMRT-2025, will go ahead between 10.30h and 17.00h on Saturday 1st  November at the Museum of Communication, Burntisland, Fife. An interesting programme of speakers has been arranged, microwave test facilities will be provided and there will be an opportunity to buy components and microwave-related items. An optional Dinner will be held in the evening at the Kingswood Hotel. Full info / online registration available at https://gmroundtable.org.uk/or email Colin GM4HWO  gm4hwo@gmail.com. Note the event has a maximum capacity of 50 people and only 2 places left –  book now!

    GMRT-2025 Program published (click).

  • Sun 26 Oct 2025 – Galashiels Rally

    Galashiels Rally – GM4YEQ

    Click for details.

  • 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 MM0FMF is in RSGB RadCom Sept 2025, p.80).

test card

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.

  • 28 Oct 2025 6:00-7:30pm Bletchley Park illustrated talk by Derek Douglas at Newington Library

    28 Oct 2025 6:00-7:30pm Bletchley Park illustrated talk by Derek Douglas at Newington Library

    Derek Douglas is a member of the Colinton Local History Society. (Free) tickets necessary.  https://www.eventbrite.co.uk/e/bletchley-park-an-illustrated-talk-with-derek-douglas-tickets-1785984741439

    Read more

  • 3 Oct 2025 – 75th Anniversary of the Transistor

    3 Oct 2025 – 75th Anniversary of the Transistor

    The 3rd of October 2025 was the 75th anniversary of the patenting of the invention of the transistor by three […]

    Read more

  • 2 Oct 2025 – GM1CNH Norman’s HK Colombia DXpedition

    2 Oct 2025 – GM1CNH Norman’s HK Colombia DXpedition

    Some photos from Norman’s DXpedition to Colombia. (Norman GM1CNH & Peter GM4DTH).   HK3LRB club setting up in park for […]

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There are no current silent key notifications. Click on the heading to see the silent key archive.

  • MyDel 13.8 Volt 30 Amp Switching Power Supply Unit – Dave 6

    MyDel 13.8 Volt 30 Amp Switching Power Supply Unit – Dave 6

    MyDel 13.8 Volt 30 Amp Switching Power Supply Boxed and Unused  ML&s  Price  £80  Only   £40 Tel:  0131 539 2858 Dave […]

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  • 2 ICOM SP-38 Speakers Matching IC-7300 & IC-9700 – Dave 6

    2 ICOM SP-38 Speakers Matching IC-7300 & IC-9700 – Dave 6

    2 x  SP-38  Icom Speakers  Matching  IC- 7300  &  IC- 9700 Boxed as New   ML&s  Price £156 Each             […]

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  • 21 Aug 2025 – Steel Ammo Box – £25 – Pete GM4BYF

    21 Aug 2025 – Steel Ammo Box – £25 – Pete GM4BYF

    For sale: Steel ex army ammunition box. Useful for carrying tools etc. Two handles. 58 x 26 x 26 cm  […]

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  • 17 Aug 2025 – Badger Boards HF Antenna – Norman Stewart GM1CNH

    Badger Boards HF Antenna – wideband folded dipole antenna with balun; N(f) connector; heavy duty centre spacer; termination resistor; 1.5MHz […]

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  • 2 Aug 2025 – ICOM R100 Receiver – Pete GM4BYF

    2 Aug 2025 – ICOM R100 Receiver – Pete GM4BYF

    ICOM – R100 General coverage receiver in excellent condition with all accessories and handbook.  Covers 100kHz to 1.8GHz – AM, […]

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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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  • Visit by Eddie DU1EV – Past President of Philippines ARA – 6th Nov 2014

    Visit by Eddie DU1EV – Past President of Philippines ARA – 6th Nov 2014

    Thanks to communications from George GM4COK / DU1GM in the Philippines, we entertained Eddie Valdez DU1EV, Past-President of the Philippines […]

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  • 12th Nov 2014 – The Post Office Tower – Mike Burgess MM0MLB

    12th Nov 2014 – The Post Office Tower – Mike Burgess MM0MLB

      At the meeting of the LRS on 12th November Mike Burgess MM0MLB presented “The Post Office Tower – the […]

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  • Tom Simpson GM3BCD, MBE – Silent Key – 25th Oct 2014

    Tom Simpson GM3BCD, MBE – Silent Key – 25th Oct 2014

      We are sad to report that Tom Simpson GM3BCD, MBE, secretary of the LRS in 1961-62, became a silent […]

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  • 18 Oct 2014 – JOTA – Jamboree On The Air from Bonaly Camp

    18 Oct 2014 – JOTA – Jamboree On The Air from Bonaly Camp

    John GM8OTI and Alan GM3PSP operated GB0BSS in JOTA – Jamboree On The Air – from Bonaly Scout Camp for the third […]

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