Welcome to the Lothians Radio Society

Scottish Charity number SC045038

  • LRS Messages of the Day

    Wed 19 Mar 2025 – LRS – Net 174 – 20:00h 144.350MHz SSB

    TODAY – Sat 15 Mar 2025 – MOC – Wartime Centimetre Wavelength Airborne Radar Development – Dr Peter Grant, UoE – see below. 

LRS MEETINGS

  • Wed 26 March – “80 years of Airborne Radar – From the Cavity Magnetron to Multi-Function RF Systems”

    Dr Iain Scott FREng, VP Capability & Chief Technology Office at Leonardo Electronics Division.

    The talk will explore key milestones in the developments of airborne radar, from the development of the Cavity Magnetron at Birmingham University during WW2, through to the advent of Multi-Function RF Systems. It will be illustrated with a selection of Edinburgh-developed radars spanning the Ferranti, GEC, Marconi and Leonardo eras.


  • Wed 19th March 2025 – Net #174 at 20:00h on 144.350MHz SSB.

  • Click for full information.


  • 12 March 2025 – Amateur Radio in Colombia – Norman HK3/MM0BMG.

    12 March 2025 – Amateur Radio in Colombia – Norman HK3/MM0BMG.

    Report soon. Norman talked about his experiences operating in Colombia with reciprocal… Read more

  • Sat 5 Apr 2025 – 26th GMDX Convention & Dinner

  • Sun 13 April 2025 – NORBRECK Rally, Blackpool

    Click the image for the NARSA link

  • Sun 18 May 2025 – Glasgow Braehead Rally

    See: http://www.braeheadradiorally.com/

  • Sat 1 Nov 2025 – Scottish Microwave Round Table (GMRT 2025)

    GMRT-2025, – Saturday 1 Nov, Museum of Communication, Burntisland; dinner at the Kingswood Hotel. More information in June/July  GM4HWO.

  • The LRS normally operates as GM3HAM/P from a site near Gatehouse of Fleet in Dumfries & Galloway.

    3-4 May 2025 – May VHF/UHF Contest – LRS entry unlikely due to rule changes. Norman MM0BMG is asking if anyone is interested at Gatehouse of Fleet?

    5-6 July 2025 – VHF NFD – organized by Pete GM4BYF & Colin GM4HWO.

    6-7 Sept 2025 – 2m Trophy – undecided at present.

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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.

  • 11 March 2025 – Ferranti Edinburgh Radio Club (FERC) Re-Established

    Ferranti Edinburgh Radio Club (FERC) – Call sign GS4FER. After many years absence, the Ferranti Edinburgh Radio Club (FERC) was re-established […]

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  • 13 Feb 2025 – WSPR Beacon HK3LRB Installed in Bogota, Colombia by Norman MM0BMG

    13 Feb 2025 – WSPR Beacon HK3LRB Installed in Bogota, Colombia by Norman MM0BMG

      A WSPR beacon was donated to and installed at the premises of La Liga de Radioaficionados de Bogota (LRB) […]

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There are no current silent key notifications. Click on the heading to see the silent key archive.

  • 22 Feb 2025 – Triangular Mast 15m FREE to Pick up

    Sat 22 Feb 2025 – 15m Tower : dismantled 2 sections x 7m triangular 0.5m.  FREE to pick-up from Tom […]

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  • 29 Jan 2025 – Uniden Bearcat BCT 15X Desktop Scanner – Dave 6

    29 Jan 2025 – Uniden Bearcat BCT 15X Desktop Scanner – Dave 6

    Uniden Bearcat BCT 15X Desktop Scanner For Sale  by Dave GM6KGZ See attached files for details.  Boxed and in mint […]

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  • 8 Nov 2024 – Equipment for Sale by Norman MM0BMG

    MM0BMG Equipment Sale – Updated: 8 November 2024 Item Description Price Alinco HF Mobile Whip Antenna 2.7 m mobile whip; […]

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  • 22 Nov 2024 – Tecsun PL990x Multiband Portable Radio plus Active Antenna – PRICE REDUCED TO £90 TO CLEAR – Dave 6 GM6KGZ

    22 Nov 2024 – Tecsun PL990x Multiband Portable Radio plus Active Antenna – PRICE REDUCED TO £90 TO CLEAR – Dave 6 GM6KGZ

    Tecsun PL990x  – Multiband Portable Radio, boxed and in mint condition ML&s price £269. NOW ONLY  £90 TO CLEAR  for […]

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  • 31 Oct 2024 – Avantree Portable Digital Radio with 30W Speakers – Dave-6

    31 Oct 2024 – Avantree Portable Digital Radio with 30W Speakers – Dave-6

    2. Avantree PowerByte Portable Digital FM Radio with 30W Speakers.   Boxed and in mint condition – £40 Tel:  0131 […]

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  • 14th June 2012 – LRS Operating GS4WAB in Olympic Torch Event

    14th June 2012 – LRS Operating GS4WAB in Olympic Torch Event

    Peter GM4DTH operating GS4WAB on 40m. The Lothians Radio Society operated Special Event Station GS4WAB for the WAB Olympic Torch Event […]

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  • AGM – Wed 13th June 2012

    The Annual General Meeting of the Lothians Radio Society was held on Wednesday 13th June 2012 at the Braid Hills Hotel. The […]

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  • Wed 23 May 2012 – D/F Hunt

    Wed 23 May 2012 – D/F Hunt

    The cunningly-hidden den of Fox GM4BYF. The Lothians Radio Society held its annual Direction-Finding Competition (D/F Hunt) on Wednesday 23rd […]

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  • UHF-Microwave Contest – 5th-6th May 2012

    UHF-Microwave Contest – 5th-6th May 2012

    The GM3HAM/P UHF-Microwave Contesters 2012 planning strategy in the Gatehouse Conference Centre (aka the Masonic Arms) Last weekend, 5th – 6th May […]

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  • Wed 9th May 2012 – ZK2V DXpedition by Chris Tran ZL1CT / GM3WOJ

    Wed 9th May 2012 – ZK2V DXpedition by Chris Tran ZL1CT / GM3WOJ

    The ZK2V QTH (Photo courtesy GM3WOJ / ZL1CT) At the meeting of the Lothians Radio Society on Wednesday 9th May 2012, well-known Scottish […]

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  • Wed 25th April 2012 – DXCC, LOTW & 7Q7GM Malawi DXpedition by Rob GM3YTS

    Wed 25th April 2012 – DXCC, LOTW & 7Q7GM Malawi DXpedition by Rob GM3YTS

    Rob Ferguson GM3YTS (photo courtesy QRZ.com) At the meeting of the Lothians Radio Society on 25th April 2012 Rob Ferguson GM3YTS, dedicated DXer […]

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  • Wed 11th April 2012 – Radioactivating East Africa in the 1960s / 70s by Andre GM3VLB

    Wed 11th April 2012 – Radioactivating East Africa in the 1960s / 70s by Andre GM3VLB

    Andre’s first QSL card as 5Z5KL in Kenya At the meeting of the Lothians Radio Society on 11th April 2012 Andre Saunders […]

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  • Wed 28th March 2012 – Homebrew Microwave Construction by John Cooke GM8OTI

    Wed 28th March 2012 – Homebrew Microwave Construction by John Cooke GM8OTI

    John GM8OTI and his homebrew 23cm & 13cm transverters and yagis At the meeting of the LRS on 28th March 2012 LRS […]

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  • 9th March 2012 Aurora Summary by GM4BYF

    9th March 2012 Aurora Summary by GM4BYF

    The double CME eruption of March 7th produced a complicated magnetic situation. Most likely both CMEs “ate” each other (hence […]

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  • Wed 14th March 2012 – WWII Utility Radios by Colin GM4HWO & Peter GM4DTH

    Wed 14th March 2012 – WWII Utility Radios by Colin GM4HWO & Peter GM4DTH

    Colin GM4HWO & Peter GM4DTH after their presentation. At a most enjoyable meeting of the LRS on 14th March Colin Wright GM4HWO described the […]

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  • 22nd Feb 2012 – Modifying PC PSUs for Radio Use by Brian Flynn GM8BJF

    22nd Feb 2012 – Modifying PC PSUs for Radio Use by Brian Flynn GM8BJF

    GM8BJF measuring voltage on a modified PC PSU At the meeting of the Lothians Radio Society on 22nd February LRS member Dr. Brian Flynn […]

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  • Wed 8th Feb 2012 – Aurora Explained by Dr. David Gavine

    Wed 8th Feb 2012 – Aurora Explained by Dr. David Gavine

    At the meeting of the Lothians Radio Society on Wednesday February 8th Dr. David Gavine talked on “Aurora Explained” – how it is caused by […]

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