Welcome to the Lothians Radio Society

Scottish Charity number SC045038

  • LRS Messages of the Day

    1-7 Sept 2025 – Full report by Peter GM4DTH added to GB70RS article in Latest Reports.

    1st Oct 2025 – Using Ansys HFSS for Amateur Radio Projects by Brian Howie GM4DIJ. (Ansys HFSS = High Frequency RF Simulation Software). Report – see Radio News Items, below.

    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.

  • 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 […]

    Read more

  • 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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  • 19 Sept 2025 – LRS Members in RSGB RadCom

    LRS member Vic GM3OWU has a letter on RAYNET Voice Procedure published in RSGB RadCom Oct 2025, p.89. (Over & Out)! […]

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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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  • Next LRS Meeting – Volunteer Work in Malawi – 28 April

    Next LRS Meeting – Volunteer Work in Malawi – 28 April

      Wednesday 28 April, 8pm CHANGE OF TOPIC: Unfortunately the scheduled talk “DXpedition to VP8 – Antarctica” by Gavin Taylor […]

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  • Welcome to our new website

    We have moved the content of our site to a format that will (we hope) be more attractive, easier to […]

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  • LRS Trophies

    LRS Trophies

    At the LRS meeting on 24 February the President, Colin GM4HWO displayed the contest trophies that had been won in […]

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