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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  • 23-24 Aug 2025 – Montrose Air Station Open Days, Radio Sale & HF Demo Station

    23-24 Aug 2025 – Montrose Air Station Open Days, Radio Sale & HF Demo Station

    Three LRS members – Colin GM4HWO, Bill Dent GM8RBT and Mike GM8KCS attended.  “We are holding the Open day at […]

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  • 9 July 2025 – Pub Night 1 at Wee Bennet’s Bar

    9 July 2025 – Pub Night 1 at Wee Bennet’s Bar

    L-R: Vic GM3OWU, Colin GM4HWO, Mike GM8KCS, Colin GM4EAU, Melvyn GM4HYR, Pete GM4BYF, Alan GM3PSP, Peter GM4DTH, Andy MM7MDX.

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  • 25 June 2025 – LRS 2025 Barbecue

    25 June 2025 – LRS 2025 Barbecue

    Guests gathering for the meal. The 2025 Summer Barbecue was again held at the QTH of Pete GM4BYF and Kay  […]

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  • 18 June 2025 – Nicholas Gretzinger WN2G – 1st International Winner of the Andre Saunders GM3VLB Scottish Islands Award

    18 June 2025 – WN2G Nicholas Gretzinger – 1st International Winner of Andre Saunders GM3VLB Scottish Islands Award Photo – […]

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  • 18 June 2025 – AGM – Summary.

    18 June 2025 – AGM – Summary.

    The AGM was chaired by LRS President, Andy Sinclair MM0FMF.   There was a good turn-out of 18 members and […]

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  • 9 June 2025 – GB3RMK 50MHz Beacon Back-on-Air nr Muir of Ord

    9 June 2025 – GB3RMK 50MHz Beacon Back-on-Air nr Muir of Ord

    GB3RMK Beacon-Keeper Chris GM3WOJ with GB3BI Beacon-Keeper Kenny MM0GKB.  The 50MHz beacon GB3RMK, located on a hilltop near Muir of […]

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  • 2 July 2025 – SAQ Grimeton 100th Anniversary 17.2kHz VLF Transmissions. Report by Brian GM4DIJ.

    2 July 2025 – SAQ Grimeton 100th Anniversary 17.2kHz VLF Transmissions. Report by Brian GM4DIJ.

    Brian GM4DIJ listened for SAQ and reports: On July 2nd, 1925, 100 years ago, the Swedish Grimeton Radio Station SAQ […]

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  • Sat 14 June 2025 – Musical Evening with The Hi-Hats at Prestonfield GC.

    Sat 14 June 2025 – Musical Evening with The Hi-Hats at Prestonfield GC.

    Sat 14 June 2025– LRS members were invited by Mike Brunsdon GM8KCS to a musical evening by his wedding band […]

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  • Sun 15 June 2025 – Secret Listeners interview at Borders Book Festival in Melrose

    Sun 15 June 2025 – Secret Listeners interview at Borders Book Festival in Melrose

    Bruce McCartney GM4BDJ was interviewed by Alistair Moffat about the WWII Secret Listeners at the Borders Book Festival in Melrose […]

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  • 31 May 2025 – Peebles Get-Together

    31 May 2025 – Peebles Get-Together

    Brian GM8BJF and Colin GM4HWO met up in Peebles for dinner & a pint with Brian’s friend Andrew Dozier visiting […]

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  • 28 May 2025 – LRS 2025 D/F Hunt

    28 May 2025 – LRS 2025 D/F Hunt

    Summary report on D/F Hunt 2025 by Peter GM4DTH (Fox – GM3HAM/P). Photos by James GM4WZP (tnx).   Starting from […]

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  • 18 May 2025 – Braehead Rally, Glasgow.

    18 May 2025 – Braehead Rally, Glasgow.

    LRS members Colin GM4HWO, Peter GM4DTH, Iain GM1MSS & Colin GM4EAU. For full report with many photos, click.

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