Welcome to the Lothians Radio Society

Scottish Charity number SC045038

  • LRS Messages of the Day

    TONIGHT – Wed 15th Oct 2025: LRS Surplus Sale at St. Fillan’s Church, Buckstone Drive, EH10 6PD. Doors open 7.30pm, 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 […]

    Read more

  • 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 […]

    Read more

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 […]

    Read more

  • 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             […]

    Read more

  • 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  […]

    Read more

  • 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 […]

    Read more

  • 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, […]

    Read more

  • 7 May 2017 LRS Members at Ham Radio Convention 2017

    7 May 2017 LRS Members at Ham Radio Convention 2017

    L-R: Brian GM8BJF, Chris GM3WOJ, Briain GM8PKL, Robin GM4YPL A number of LRS members attended the ASRA Ham Radio Convention […]

    Read more

  • 10 May 2017 – Radio in WW-I – Malcolm Fergusson

    10 May 2017 – Radio in WW-I – Malcolm Fergusson

    Malcolm Fergusson, formerly of Edinburgh University Physics Department, talked about Radio in WW-I at the meeting on 10th May 2017. His talk was about […]

    Read more

  • 24 April 2017 – Malcolm GM3TAL – Our Man in Havana

    24 April 2017 – Malcolm GM3TAL – Our Man in Havana

    L-R: Hector; Amed CO2AME; Malcolm GM3TAL; Moises CM2YV On the last day of his recent trip to Cuba, Malcolm was […]

    Read more

  • 26 April 2017 – Enigma – the Unsung Heroes – Pete Bates GM4BYF

    26 April 2017 – Enigma – the Unsung Heroes – Pete Bates GM4BYF

    At the LRS meeting on 26th April 2017 Pete Bates GM4BYF gave a very well researched talk on ‘Enigma – the Unsung Heroes’. He outlined […]

    Read more

  • 9 April 2017 – LRS Receives RSGB VHF-NFD Trophies at Norbreck Rally in Blackpool

    9 April 2017 – LRS Receives RSGB VHF-NFD Trophies at Norbreck Rally in Blackpool

    Len Paget GM0ONX, RSGB Director; Colin GM4HWO, Andy MM0FMF, Mike GM4IGS, Pete GM4BYF, Danny GM6CMQ, Brian GM8BJF, Norrie GM1CNH, Peter […]

    Read more

  • 5 April 2017 – Spring Surplus Equipment Sale at St Fillans

    5 April 2017 – Spring Surplus Equipment Sale at St Fillans

    The LRS Spring Surplus Equipment Sale was held on Wednesday 5th April at St Fillan’s Church, Buckstone Drive. There was […]

    Read more

  • 21 March 2017 – Aurora over Islay – Mike Senior GM3PAK

    21 March 2017 – Aurora over Islay – Mike Senior GM3PAK

    Many thanks to former LRS member Mike Senior GM3PAK, who lives with his XYL Marion GM1DCB on the isle of […]

    Read more

  • 15 March 2017 – FUNcube Satellite Received using Raspberry-Pi – John Cooke GM8OTI

    15 March 2017 – FUNcube Satellite Received using Raspberry-Pi – John Cooke GM8OTI

    (Photo courtesy AMSAT-UK) Following John Cooke’s talk on amateur radio applications for the Raspberry Pi microcomputer at the March 8th […]

    Read more

  • 8 March 2017 – Raspberry Pi – John Cooke GM8OTI

    8 March 2017 – Raspberry Pi – John Cooke GM8OTI

    At the meeting of the LRS on 8th March 2017, John Cooke GM8OTI talked about the Raspberry Pi computer’s history and variants, and […]

    Read more

  • 22 Feb 2017 – 20 Years with the PO Engineering Dept in the Highlands – John Macdonald GM4XZN

    22 Feb 2017 – 20 Years with the PO Engineering Dept in the Highlands – John Macdonald GM4XZN

      At the meeting on 22nd February 2017 John Macdonald GM4XZN described his career – “1948-1968, 20 Years with the Post Office Engineering Dept […]

    Read more

  • 9 Feb 2017 – VHF/UHF DX Book 2017 Replica Free Online

    9 Feb 2017 – VHF/UHF DX Book 2017 Replica Free Online

      A 2017 replica edition of the VHF/UHF DX Book is now available free online. (Info from GM4BYF). Click for […]

    Read more

  • 30 Jan 2017 – Silent Key – Bob McFarlane, S.O.E. Agent

    30 Jan 2017 – Silent Key – Bob McFarlane, S.O.E. Agent

    Bob McFarlane, one of the last surviving members of the S.O.E. – Special Operations Executive – in WWII, died at […]

    Read more

Scroll to Top