Welcome to the Lothians Radio Society

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  • 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 […]

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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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  • 26 Sept 2018 – ‘The X-Factor’ – Karl Weibye – joint meeting at Museum of Communication, Burntisland

    26 Sept 2018 – ‘The X-Factor’ – Karl Weibye – joint meeting at Museum of Communication, Burntisland

    At the joint meeting of the LRS and the Museum of communication on 26th September 2018 in Burntisland Karl Weibye  […]

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  • 1-2 Sept 2018 – 2m Trophy at Gatehouse of Fleet

    1-2 Sept 2018 – 2m Trophy at Gatehouse of Fleet

      Peter GM4DTH, Danny GM6CMQ, Mike GM4IGS, Norrie GM1CNH, Brian GM4DIJ, Andy MM0FMF The GM3HAM contest group of the Lothians […]

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  • 12th Sept 2018 – Presidential Address – Personal Beacons – Brian Flynn GM8BJF

    12th Sept 2018 – Presidential Address – Personal Beacons – Brian Flynn GM8BJF

    Dr. Brian Flynn GM8BJF, re-elected as President of the Lothians Radio Society at the AGM on 13th June, gave his […]

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  • 6-8th July 2018 RSGB VHF NFD at Gatehouse of Fleet

    6-8th July 2018 RSGB VHF NFD at Gatehouse of Fleet

      The LRS GM3HAM Contest Group operated RSGB VHF-NFD from our usual contest site near Gatehouse of Fleet on the […]

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  • July – August 2018 – LRS Pub Nights at “Wee” Bennets Bar

    July – August 2018 – LRS Pub Nights at “Wee” Bennets Bar

    The fourth and last LRS Pub Night for summer 2018 was held on 22nd August at ‘Wee’ Bennet’s Bar. We […]

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  • Wed 4th July 2018 – LRS Summer Barbecue

    Wed 4th July 2018 – LRS Summer Barbecue

    Host Pete GM4BYF at the BBQ grill. The LRS 2018 Summer Barbecue took place on Wednesday 4th July at the […]

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  • Wed 13th June 2018 Annual General Meeting

    Wed 13th June 2018 Annual General Meeting

    The AGM of the Lothians Radio Society was held in the Braid Hills Hotel on Wednesday 13 June 2018. Brian […]

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  • Wed 23rd May 2018 – Direction Finding Contest – GM3HAM/P

    Wed 23rd May 2018 – Direction Finding Contest – GM3HAM/P

    Competitors at the start of the 2018 D/F Hunt The LRS Direction Finding Contest (D/F Hunt) was held 23rd May. […]

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  • Wed 23rd May 2018 – Direction Finding Contest

    Wed 23rd May 2018 – Direction Finding Contest

    Melvyn Bond GM4HYR was the winner of the 2017 D/F Hunt The annual LRS Direction Finding Contest (D/F Hunt) will […]

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  • Wed 9th May 2018 – Amateur Deep Space Reception – RSGB 2017 Convention Lecture by Paul Marsh M0EYT (Video)

    Wed 9th May 2018 – Amateur Deep Space Reception – RSGB 2017 Convention Lecture by Paul Marsh M0EYT (Video)

    LRS President Brian Flynn GM8BJF presented the video of the RSGB 2017 Convention lecture “Amateur Deep Space Reception” by Paul […]

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  • Wed 25th April 2018 – Using Chinese ADF4351 & ADF5355 PLL Boards as Microwave Signal Sources – Brian Flynn GM8BJF

    Wed 25th April 2018 – Using Chinese ADF4351 & ADF5355 PLL Boards as Microwave Signal Sources – Brian Flynn GM8BJF

    Brian Flynn GM8BJF talked about Using Chinese ADF4351 and ADF5355 PLL Boards as Microwave Signal Sources at the meeting on 25th April. […]

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  • Wed 11th April 2018 – “Spring” Surplus Equipment Sale

    Wed 11th April 2018 – “Spring” Surplus Equipment Sale

      The LRS “Spring” Surplus Equipment Sale on 11th April at St Fillan’s Church was well attended. Most of the items […]

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