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 […]

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  • 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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  • 12 Feb 2014 – Whither Windows XP? – Andy Sinclair MM0FMF

    12 Feb 2014 – Whither Windows XP? – Andy Sinclair MM0FMF

    (Logo courtesy Microsoft Corp.) In light of the imminent loss of support by Microsoft for the Windows XP operating system […]

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  • 22 Jan 2014 – Life at Sea as a Radio Officer in the 1960s & 70s – Eric Lamb

    22 Jan 2014 – Life at Sea as a Radio Officer in the 1960s & 70s – Eric Lamb

      At the LRS meeting on 22nd January 2014 Eric Lamb described his experiences as a ship’s Radio Officer in […]

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  • Wed 8th Jan 2014 – Video Night

    Wed 8th Jan 2014 – Video Night

    There was an excellent turnout of 25 including several visitors for the first meeting in 2014 on Wed 8th January […]

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  • 11 Dec 2013 LRS Christmas Curry

    11 Dec 2013 LRS Christmas Curry

    Twenty LRS members and visitors enjoyed our annual Christmas Curry at the Himalaya Tandoori Restaurant at Bruntsfield on Wed 11th […]

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  • 21 Nov 2013 FUNcube-1 AO73 Satellite Launched

    21 Nov 2013 FUNcube-1 AO73 Satellite Launched

    The AMSAT FUNcube-1 / AO-73 educational satellite was launched on Thursday 21st November 2013. (Photo courtesy AMSAT-UK) It has already […]

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  • 27 Nov 2013 – Home Spun Antennas by Malcolm Hamilton GM3TAL

    27 Nov 2013 – Home Spun Antennas by Malcolm Hamilton GM3TAL

    At the meeting of the LRS on Wednesday 27th November 2013 LRS member Malcolm Hamilton GM3TAL talked on “Home Spun […]

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  • 18-20 Nov 2013 Special Event Station GM100RSGB

    18-20 Nov 2013 Special Event Station GM100RSGB

    The antenna dismantling crew on Sunday. L-R: Alan GM3PSP, Danny GM6CMQ, Peter GM4DTH, Brian GM8BJF, Vic GM3OWU, Mike GM8KCS, Bill […]

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  • 2nd Nov 2013 – GMRT – Scottish Microwave Round Table

    2nd Nov 2013 – GMRT – Scottish Microwave Round Table

      LRS member David GM4ZNX attracted a lot of interest with his Noise Factor measurements.  The third Scottish Microwave Round […]

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  • 4th Aug 2013 3cm Portable Operations by Pete GM4BYF/P & Brian GM8BJF/P

    4th Aug 2013 3cm Portable Operations by Pete GM4BYF/P & Brian GM8BJF/P

    Pete GM4BYF/P (in natty hat)! Brian GM8BJF/P (who should have been wearing a hat)! Two keen Lothians microwavers Pete GM4BYF […]

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  • Sayonara Vic and Haste Ye Back

    Sayonara Vic and Haste Ye Back

     L-R: Mike GM8KCS, Peter GM4DTH, Vic JA5VQ, Bill GM8SQM & Malcolm GM3TAL. October 30th was the last LRS meeting for […]

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  • Wed 13th Nov – Lighthouse Weekend 2013 – Geoff Crowley MM5AHO

    Wed 13th Nov – Lighthouse Weekend 2013 – Geoff Crowley MM5AHO

    At the LRS meeting on Wednesday 13th November we welcomed back Geoff Crowley MM5AHO for his talk – “International Lighthouse […]

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  • 19-20 Oct 2013 – JOTA & Galashiels Rally

    19-20 Oct 2013 – JOTA & Galashiels Rally

    It was a busy weekend for LRS, in Jamboree on the Air on Saturday and the Galashiels Rally on Sunday. […]

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