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

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.

  • The full Calendar of LRS Meetings for 2024-25 has been prepared by James GM4WZP (mni tnx) and uploaded to this site (click top).

  • 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 usually operates GM3HAM/P from a great site near Gatehouse of Fleet in Dumfries & Galloway.

    3-4 May 2025 – May VHF/UHF Contest – Nobody interested in operating from Gatehouse of Fleet. Norman MM0BMG may operate 432MHz on the Sunday from Lauder Common.

    5-6 July 2025 – VHF NFD – LRS will enter, 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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  • 6 Apr 2022 – LRS Video Night – Peter Dick GM4DTH

    6 Apr 2022 – LRS Video Night – Peter Dick GM4DTH

    Video Night 2022 by Peter GM4DTH at ECVS. ‘The Secret Wireless War – Black Propaganda’ (Grindlewald Productions) The RCA 600kW […]

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  • 23 Mar 2022 – Bletchley Park, Section VIII – Malcolm Fergusson.

    23 Mar 2022 – Bletchley Park, Section VIII – Malcolm Fergusson.

    Malcolm Fergusson talked about the Ultra secret (the WWII German communications decoded at Bletchley Park) and the SCU-3 (Special Communications […]

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  • 9 Mar 2022 Astrodynamics without the Mathematics – How to Fly Spacecraft – John Cooke GM8OTI

    9 Mar 2022 Astrodynamics without the Mathematics – How to Fly Spacecraft – John Cooke GM8OTI

    At the LRS meeting on 9 Mar 2022 at the Braid Hills Hotel, and on Zoom,  John Cooke GM8OTI  talked […]

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  • 23 Feb 2022 – OpenEMS, a Free Electromagnetic Simulator – Brian Howie GM4DIJ

    23 Feb 2022 – OpenEMS, a Free Electromagnetic Simulator – Brian Howie GM4DIJ

    LRS member Brian Howie GM4DIJ talked about OpenEMS, a Free Electro-Magnetic Simulator at the LRS meeting on 22 Feb 22 […]

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  • 9 Feb 2022 – The History of the Pocket Calculator – 5000 years and counting – James Gentles GM4WZP

    9 Feb 2022 – The History of the Pocket Calculator – 5000 years and counting – James Gentles GM4WZP

    On Wed 9th Feb 2022 at the Braid Hills Hotel James Gentles GM4WZP (HP-retired) gave a great talk on the […]

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  • 26 Jan 2022 – Using a VDA on a Scottish Beach Pt.2 – Malcolm Hamilton GM3TAL

    26 Jan 2022 – Using a VDA on a Scottish Beach Pt.2 – Malcolm Hamilton GM3TAL

      Malcolm talked (on Zoom) about using vertical dipole arrays from the shores of Loch Fyne. He had operated in […]

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  • 12 Jan 2022 – Pirates – Offshore Radio 1974-1984 – James Gentles GM4WZP

    12 Jan 2022 – Pirates – Offshore Radio 1974-1984 – James Gentles GM4WZP

    James Gentles GM4WZP gave a repeat on Zoom of his talk from 8th Nov 2017 on the history of pirate […]

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  • 20 Jan 2022 – New GM3VLB SOTA Islands Award – LRS

    20 Jan 2022 – New GM3VLB SOTA Islands Award – LRS

    André GM3VLB/P on the Flannan Isles 1999. André Saunders GM3VLB (SK) was active in many countries as GM3VLB, G3VLB, 5Z4KL […]

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  • 10 Nov 2021 – Getting Started with WSPR – Colin Murray GM4EAU

    10 Nov 2021 – Getting Started with WSPR – Colin Murray GM4EAU

    Wed 10th November 2021 :  Near Real-Time Propagation Measurement : Getting Started with WSPR – Colin Murray GM4EAU.     Precis: An […]

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  • 20 Oct 2021 – LRS Autumn Surplus Equipment Sale

    20 Oct 2021 – LRS Autumn Surplus Equipment Sale

    The LRS autumn Surplus Equipment Sale was held on 20th October 2021 at St Fillan’s Church, as usual. This year […]

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  • 6 Oct 2021 – 122GHz – Pete Bates GM4BYF & Brian Flynn GM8BJF

    6 Oct 2021 – 122GHz – Pete Bates GM4BYF & Brian Flynn GM8BJF

    Brian GM8BJF & Pete GM4BYF Pete, assisted by Brian, described the building and operation of their VK3CV TRA-120 122GHz transverters […]

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  • 12 Aug 2021 LRS Perseids BBQ

    12 Aug 2021 LRS Perseids BBQ

    The LRS 2021 Summer “Perseids” barbecue was held at “Bates Motel”, QTH of Pete GM4BYF & Kay Bates GM6KAY,  and […]

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