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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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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  • 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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  • 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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  • 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 Presidential Address “”Things that made me go hmmmmmm…….”.   […]

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  • 3 Sept 2025 – Tower Removal.

    3 Sept 2025 – Tower Removal.

    Colin GM4HWO reports: John GM4JRT purchased a 9m-high Strumech tower from the XYL of a SK who resided in a […]

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  • LRS Online Membership Payment Option

    From LRS Treasurer, John Taylor GM4JRT: This year we will be offering several different methods for members to pay their […]

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  • 1-7 Sept 2025 – GB70RS on the HF Bands (Peter GM4DTH).

    1-7 Sept 2025 – GB70RS on the HF Bands (Peter GM4DTH).

          Peter GM4DTH, our local GB2RS news reader in Edinburgh, writes: I operated GB70RS, which is the callsign […]

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  • 27 Aug 2025 – LRS Pub Night 5 at Wee Bennet’s Bar

    27 Aug 2025 – LRS Pub Night 5 at Wee Bennet’s Bar

    There was a very good turnout of at least 11 for the last Pub Night of the summer,  (Tnx Colin […]

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  • Sat 16 – Sun 17 Aug 2025 – Lighthouse Weekend

    Sat 16 – Sun 17 Aug 2025 – Lighthouse Weekend

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  • 13 Aug 2025 – LRS Pub Night 4 at Wee Bennet’s Bar

    13 Aug 2025 – LRS Pub Night 4 at Wee Bennet’s Bar

    L-R Melvyn GM4HYR, Peter GM4DTH, Grant GM0DQZ and (cameraman) Briain GM8PKL. Peter GM4DTH writes: There was a small turnout with […]

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  • 8 Aug 2025 – Cockenzie & Port Seton 30th Mini-Rally & Junk Night.

    8 Aug 2025 – Cockenzie & Port Seton 30th Mini-Rally & Junk Night.

    Photos of the event tnx Colin GM4HWO, Peter GM4DTH & Pete GM4BYF.   General view, showing LRS (L) and RSGB […]

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  • Wed 30 July 2025 – LRS Pub Night 3 @ Wee Bennet’s Bar

    Wed 30 July 2025 – LRS Pub Night 3 @ Wee Bennet’s Bar

    Peter GM4DTH, Mike GM8KCS, John GM4JRT (+ dog Skye/K9 under arm), John GM8OTI.

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