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).

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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.

  • 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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  • 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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  • 29 June 2016 – LRS Barbecue

    29 June 2016 – LRS Barbecue

      The LRS Annual Barbecue was held on Wed 29th June at the QTH of Pete GM4BYF and Kay Bates […]

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  • 9 June 2016 – LRS Annual General Meeting

    9 June 2016 – LRS Annual General Meeting

    AGM attendees before the meeting The LRS Annual General Meeting was held on 8th June 2016 at the Braid Hills Hotel. There was a […]

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  • 14 May 2016 – Congratulations to Jane Flynn on USA Graduation

    14 May 2016 – Congratulations to Jane Flynn on USA Graduation

    Congratulations to Jane Flynn, daughter of LRS member Dr Brian Flynn GM8BJF, who graduated from Southern Illinois University Carbondale on 14th […]

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  • 25 May 2016 – D/F Hunt – Peter Dick GM4DTH

    25 May 2016 – D/F Hunt – Peter Dick GM4DTH

    Eventual winner Melvyn GM4HYR making his first decision on which direction to boldly go to find the Fox station GM3HAM/P. […]

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  • 11 May 2016 – Holiday HF – Andy Sinclair MM0FMF

    11 May 2016 – Holiday HF – Andy Sinclair MM0FMF

      At the meeting of the LRS on 11 May 2016 LRS President Andy Sinclair MM0FMF talked on “Holiday HF – […]

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  • 7-8 May 2016 Microwave Trophy

    7-8 May 2016 Microwave Trophy

    The GM3HAM/P contest group of the Lothians Radio Society operated in the RSGB Microwave Trophy contest on 7-8 May 2016 […]

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  • 27 April 2016 – SDR – Software Defined Radio – Kenneth Barlee

    27 April 2016 – SDR – Software Defined Radio – Kenneth Barlee

      Kenneth Barlee, assisted by Dale Atkinson, gave a most interesting talk with demonstrations of SDR – Software Defined Radio […]

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  • 19 March 2016 – Expedition to Telegraph Hill – Brian GM8BJF & Briain GM8PKL

    19 March 2016 – Expedition to Telegraph Hill – Brian GM8BJF & Briain GM8PKL

    LRS members Brian Flynn GM8BJF and Briain Wilson GM8PKL made an expedition to Telegraph Hill near St Abbs in Scottish Borders […]

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  • 6 April 2016 – LRS Spring Surplus Equipment Sale at St Fillan’s

    6 April 2016 – LRS Spring Surplus Equipment Sale at St Fillan’s

    The LRS Spring Surplus Equipment Sale was held on 6th April 2016 at St Fillan’s Church, Buckstone. There was an excellent turn-out of […]

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  • 23 March 2016 – Communication Quiz – Malcolm Hamilton GM3TAL

    23 March 2016 – Communication Quiz – Malcolm Hamilton GM3TAL

       At the meeting of the LRS on 23rd March, Malcolm Hamilton GM3TAL ran the first quiz we have had for a […]

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  • 9 Mar 2016 – A Programmable Sequencer / Control Unit for 23cm QRO for £20 – Pete Bates GM4BYF

    9 Mar 2016 – A Programmable Sequencer / Control Unit for 23cm QRO for £20 – Pete Bates GM4BYF

      At very short notice, Pete Bates GM4BYF jumped in  on Wednesday 9th March to replace the scheduled talk which had […]

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  • 24 Feb 2016 – 3cm Personal Beacons – Brian Flynn GM8BJF

    24 Feb 2016 – 3cm Personal Beacons – Brian Flynn GM8BJF

    Photo by Peter GM4DTH At the meeting of the Lothians Radio Society on 24th February 2016 Brian Flynn GM8BJF talked on “3cm Personal Beacons” […]

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