Welcome to the Lothians Radio Society

Scottish Charity number SC045038

  • LRS Messages of the Day

    Wed 8th Oct 2025 – LRS Net 187 – 20:00h 144.350MHz SSB – all welcome.

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

LRS MEETINGS

  • 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.

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

    Wed 12th Nov 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. 


  • 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

  • 10 Sept 2025 – Andy Sinclair MM0FMF – Presidential Address – “Things that made me go hmmmmmm…….” (Windows-11 & QRP ATUs).

    10 Sept 2025 – Andy Sinclair MM0FMF – Presidential Address – “Things that made me go hmmmmmm…….” (Windows-11 & QRP ATUs).

    LRS President Andy Sinclair MM0FMF started the new club year with his… 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 8 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).

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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.

  • 2 Oct 2025 – Norman’s HK DXpedition

    2 Oct 2025 – Norman’s HK DXpedition

    Peter Dick GM4DTH/HK Some photos from Norman’s DXpedition to Colombia.  

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  • 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 Software. Brian described a number of application of […]

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  • Peter Brown G(M)3YOK Visit to Edinburgh

    Peter Brown G(M)3YOK Visit to Edinburgh

    Former LRS member Peter Brown G(M)3YOK, now living in Cheshire, recently visited Edinburgh and met up with Brian Flynn GM8BJF.

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  • 20 Sept 2025 – Colin GM4EAU & Iain GM8LYQ of LRS in RSGB LoRa Balloon Challenge

    20 Sept 2025 – Colin GM4EAU & Iain GM8LYQ of LRS in RSGB LoRa Balloon Challenge

    The LoRa Balloon.   Colin GM4EAU & Iain GM8LYQ on East Lomond in Fife.   Local (Fife) amateur Dougie MM0ISH […]

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  • Museum of Communication

    Museum of Communication

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  • 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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  • 8 March 2023 – Brian Flynn GM8BJF – Nano-VNAs (1) In Theory

    8 March 2023 – Brian Flynn GM8BJF – Nano-VNAs (1) In Theory

     8 Mar 2023 – Brian Flynn GM8BJF – Nano-VNAs (1) – in Theory.    In Part 1 – “In Theory” Brian […]

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  • 22 Feb 2023 – André Saunders GM3VLB Awards 2022

    22 Feb 2023 – André Saunders GM3VLB Awards 2022

    22 Feb 2023 – André Saunders GM3VLB SOTA Scottish Islands Awards 2022. The award has run for its first year and […]

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  • 22 Feb 2023 – Peter Dick GM4DTH – “Receiving MF D/F Beacons”

    22 Feb 2023 – Peter Dick GM4DTH – “Receiving MF D/F Beacons”

    22 Feb 2023 – Receiving MF D/F Beacons – Peter Dick GM4DTH   Peter Dick GM4DTH At the LRS meeting […]

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  • 8 Feb 2023 – Dr Roger Hill – “Plasmas – their Generation & Application”

    8 Feb 2023 – Dr Roger Hill – “Plasmas – their Generation & Application”

     Dr Roger Hill. Plasmas – their generation & application – Mercury arc, Neon lamp, Radio wave propagation, Laser design and manufacture. […]

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  • 25 Jan 2023 – Peter Scott – “Pre-War Television”

    25 Jan 2023 – Peter Scott – “Pre-War Television”

    25 Jan – Pre-War TV – Peter Scott Peter gave a most interesting talk about the pre-war days of television […]

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  • 11 Jan 2023 – LRS Video Night – ‘A US Selection’

    11 Jan 2023 – LRS Video Night – ‘A US Selection’

      Peter Dick GM4DTH  The theme was the Cold War, including early space-based communications: 01 – Communism 10:41 02 – The […]

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  • 3 Jan 2023 – LRS New Year Pub Night – Wee Bennets Bar

    3 Jan 2023 – LRS New Year Pub Night – Wee Bennets Bar

    “Wee” Bennets Bar, Maxwell St, Morningside  Tues 3 Jan 2023 – LRS New Year Pub Night Colin GM4HWO, Colin GM4EAU, […]

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  • 14 Dec 2022 – Christmas Curry – Gurkha Cafe

    14 Dec 2022 – Christmas Curry – Gurkha Cafe

    14 Dec 2022 – LRS Christmas Curry Peter, Colin, Alan & Colin at the Gurkha There was a small (but […]

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  • 1 Dec 2022 – Committee Meeting

    1 Dec 2022 – Committee Meeting

      Colin GM4HWO, Andy MM0FMF, Colin GM4EAU, Pete GM4BYF, James GM4WZP, Peter GM4DTH, Alan GM3PSP. The meeting was held at […]

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  • 23 Nov 2022 – Ed Bain GM4AIS – AI in Diagnostics

    23 Nov 2022 – Ed Bain GM4AIS – AI in Diagnostics

      Artificial intelligence has been around for over 60 years.  In reality it covers various techniques.  One of them, Expert […]

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  • 9 Nov 2022: David Stockton GM4ZNX – Limiting Factors in Receiver Design over the Decades

    9 Nov 2022: David Stockton GM4ZNX – Limiting Factors in Receiver Design over the Decades

    David writes: It’s quite simple if unusual. All the marketing departments of all the component, system etc manufacturers trumpet what their […]

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  • 30 Oct 2022 – LRS Members at Galashiels Rally

    30 Oct 2022 – LRS Members at Galashiels Rally

    Mike MM0MLB, Brian GM4DIJ, Colin GM4HWO / Brian GM8BJF, Norrie GM1CNH. The Canny Man. (Gateshead). Click for more photos taken […]

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