Welcome to the Lothians Radio Society

Scottish Charity number SC045038

  • LRS Messages of the Day

    4 March 2026 14:00h – SESAME – March IET Talk: The Voyager Interstellar Mission – by LRS members James Gentles GM4WZP and Dr John Cooke GM8OTI – at 2.00pm Napier University Colinton Campus – see Upcoming Meetings below.

    Thurs 12 Feb – 6-7 pm – EU Lecture – Frontiers of Wireless Communication by Prof Gerhard Fettweis – Large Events Space, Edinburgh Futures Institute, 1 Lauriston Place (see below). Need to register in advance – CLICK.

    Wed 11 Feb – 20:00h @ BHH – LRS Quiz Night in groups of 4. 

    Sat 7 Feb – FREE Technical books from Andy GM4LLD – See Items for Sale, below.

    19 Jan 2026 – Silent Key – Dave-6 Henderson GM6KGZ – Funeral 11 Feb 2026 Mortonhall – Silent Key below.

LRS MEETINGS

  •  Edinburgh Futures Institute (formerly ERI).

    Thurs 12 Feb – 6-7 pm – EU Lecture – Frontiers of Wireless Communication by Prof Gerhard Fettweis – Large Events Space, Edinburgh Futures Institute, 1 Lauriston Place. Need to register in advance – CLICK.


  • SESAME – March IET Talk: The Voyager Interstellar Mission – 4th March  at 2.00pm Napier University Colinton Campus – Rivers Suite.
    Launched in 1977, the Voyager 1 & 2 spacecraft continue to send back scientific data despite now being almost 1 light-day from Earth.
    How has this been done and what of the future?
    The talk to be given by LRS members, James Gentles GM4WZP (engineer) and Dr John Cooke GM8OTI (scientist), will cover the achievements necessary to maintain this flow of scientific data back to Earth and the scientific discoveries made.
    You do not have to register but it does help us plan the event. The link to register is given below.
  • Wed 25 Feb 2026 – 8pm at BHH – Digital Voice Modes by Allister Watson GM7RYR.


     

  • ALMA (Atacama Large mm Array) – A Radio Observatory in Chile – Trials & Tribulations of working at greater than 100 GHz by Bill Dent GM8RBT.

    ALMA (Atacama Large mm Array) – A  Radio Observatory in Chile – Trials & Tribulations of working at greater than 100 GHz by Bill Dent GM8RBT.

    Bill Dent is retired System Astronomer at the ALMA Observatory in Chile.… Read more

  • Sun 12 April 2026 – Norbreck (Blackpool) Rally

    Pete GM4BYF confirms that parking at the rear of the Norbreck Hotel will be free provided that car owners register on the tablet provided within the convention.

  • Saturday 28th March 2026 – 27th ANNUAL GMDX CONVENTION & DINNER

    The 27th Annual GMDX Convention & Dinner will be held on Saturday 28th March 2026 at the King Robert Hotel, Stirling, FK7 0LJ.
    A link to the Convention Programme is below, along with the booking form. Please use the instructions on the booking form, or visit the GMDX website link below to secure your booking: https://gmdx.org.uk/27th-annual-gmdx-convention-dinner/  It would be very much appreciated if you could book as soon as possible. See you there! Thanks & 73. Gordon, MM0GOR GMDX SecretaryGMDX Convention Programme 27th March 2026
  • Sunday 25 Oct 2026 – Galashiels Rally

  • Friday 14th August 2026 18:00 to 21:00 Cockenzie & Port Seton Junk Night, Port Seton Community Centre, South Seton Park Port Seton EH32 0BG

  • Sat 31 Oct 2026 – GMRT-2026 at MOC Burntisland & Dinner at Kingswood Hotel

    The 2026 Scottish Microwave Round Table (GMRT-2026) will be held as usual at the Museum of Communication in Burntisland, followed by dinner at the nearby Kingswood Hotel.

    Looking for a programme organizer for GMRT – contact Colin GM4HWO.

    Details will be available nearer the date.

  • 2026 RSGB Contest Rules published 20 Dec 2025:
    2m May contest back to old slot.
    70cm and 23cm 24hours again for VHF NFD.
    Bonuses rather than multipliers (Post code etc) retained.

    https://www.rsgbcc.org/vhf/rules/26rules/frameindex.html

    Tnx Brian GM4DIJ.

  • 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 MMØFMF / now GM4LLD, 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.

  • Sept-Oct 2026 – DXpedition to Colombia by Norman MM0BMG

    Following last year’s event. Norman is organizing another DXpedition to Colombia in the autumn of 2026. RSGB RadCom has accepted

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

There are no current items for sale. Click on the heading to see any archived items.

  • 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

    Read more

  • 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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  • 28 July 2021 – LRS D/F Hunt

    28 July 2021 – LRS D/F Hunt

    The 2021 LRS DF Hunt on Top Band was held on 28th July, starting from the “Tardis” on Braid Hills

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  • 2-4 July 2021 – GM3HAM/P – VHF NFD – Gatehouse of Fleet

    2-4 July 2021 – GM3HAM/P – VHF NFD – Gatehouse of Fleet

    The LRS GM3HAM Contest Group again took part in RSGB VHF NFD from Gatehouse of Fleet on 6m/4m, 2m & 70cm.

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