Welcome to the Lothians Radio Society

Scottish Charity number SC045038

  • LRS Messages of the Day

    Wed 14th Jan 2026 – NOTE 7:30pm – BHH Gathering Room – LRS Video Night – see below for program.

LRS MEETINGS

  • Wed 14th Jan 2026 – NOTE START TIME – 7:30pm –  LRS Video Evening in BHH Gathering Room:

    • From Raw Crystal to Crystal Oscillator – Crystals Go to War in 1943. (45 min)
    • The Spying Game – the SOE (from History Channel). (45 min).

    Wed 21 Jan 2026 – 8:00pm – LRS Net 194 – 144.350MHz SSB.

    Wed 28 Jan LRS 8:00pm at BHH – ALMA (Atacama Large mm Array) – A  Radio Observatory in Chile – Trials and Tribulations of working at greater than 100 GHz by Bill Dent GM8RBT.

There are no posts in category “RECENT MEETINGS”

  • 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.

  • 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).

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RADIO NEWS, SILENT KEYS and FOR SALE / WANTED

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Send items to Alan GM3PSP:

webmaster@lothiansradiosociety.com

Items usually archived as News or Silent Keys in LRS Archive after 1 month.

  • 8 Jan – Strange Data Transmission on Medium Wave Band.

    8 Jan – Strange Data Transmission on Medium Wave Band.

    Brian Howie GM4DIJ reports: “I’ve come across a high-speed RTTY-sounding signal on the Medium Wave Band on 570kHz . I can

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  • 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. Norman can now confirm

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  • 31 Dec 2025 – For Sale by Dave GM6KGZ – Malachite SDR Receiver

    31 Dec 2025 – For Sale  by  Dave GM6KGZ – Malachite SDR Receiver

      For Sale  by  Dave  6  GM6KGZ  – Malachite SDR Receiver Boxed and in mint condition – £95 Tel.  0131

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  • 12 Dec 2025 – For Sale by Dave 6 – GM6KGZ – Owon Spectrum Analyzer With Tracking Generator – Portable and Rechargeable – 9kHz – 1.5GHz.

    12 Dec 2025 – For Sale by Dave 6 – GM6KGZ – Owon Spectrum Analyzer With Tracking Generator – Portable and Rechargeable – 9kHz – 1.5GHz.

    Owon HSA015- TG  Spectrum Analyzer With Tracking  Generator- Portable and Rechargeable – 9kHz – 1.5GHz 8” IPS Colour Touch-screen. Vivid Display

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  • 31 Oct 2025 – 2 Items for Sale by Dave 6 – GM6KGZ

    For sale by Dave 6. Tel. :  0131 539 2858 Anytone AT-D878UVII Plus –  Digital Hand-Held DMR Radio. Boxed and

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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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  • 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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  • 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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  • HAPPY NEW YEAR!

    HAPPY NEW YEAR!

    (Photo by GM3PSP) A Happy New Year to all our readers! We look forward to welcoming you to the meetings of

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  • Wed 11th Jan 2012 – Video Evening – ‘The Spies Who Lost the Battle of Britain’

    Wed 11th Jan 2012 – Video Evening – ‘The Spies Who Lost the Battle of Britain’

    CHL – Chain Home Low radar installation The first meeting of the LRS in 2012 was the Video Evening on

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