Welcome to the Lothians Radio Society

Scottish Charity number SC045038

  • LRS Messages of the Day

    Wed 14th Jan 2026 – NOTE 7:30pm start – 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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  • 10 June 2015 – LRS Annual General Meeting

    10 June 2015 – LRS Annual General Meeting

    After the AGM, members adjourned to the new hotel deck to enjoy refreshments in the nice sunny evening. The Annual

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  • 50th Anniversary of Death of Sir Edward Appleton

    50th Anniversary of Death of Sir Edward Appleton

    Photo courtesy of Edinburgh University The University of Edinburgh has commemorated the 50th anniversary this year of the death of

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  • 11 April 2015 – LRS Members Win RSGB Awards

    11 April 2015 – LRS Members Win RSGB Awards

      Chris Grierson GM4YLN & John Gould G3WKL. At the GMDX Convention at Bannockburn on 11th April 2015, RSGB President

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  • 27 May 2015 – D/F Hunt with fox Peter Dick GM4DTH

    27 May 2015 – D/F Hunt with fox Peter Dick GM4DTH

    L-R: GM8KCS, GM4HYR, GM3TAL, GM4DTH, GM8OTI, GM3PSP, GM4WZG. The annual LRS Direction-Finding Contest (D/F Hunt) was held on 27th May

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  • 12 May 2015 – Brian Flynn GM8BJF Article in RadCom.plus Opening Issue

    12 May 2015 – Brian Flynn GM8BJF Article in RadCom.plus Opening Issue

    Congratulations to LRS member Brian Flynn whose article “A Versatile PLL PC Board Design – for Applications from HF to

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  • 8 May 2015 – 10GHz GM8FFX/B Beacon Built & Installed by Brian Flynn GM8BJF

    8 May 2015 – 10GHz GM8FFX/B Beacon Built & Installed by Brian Flynn GM8BJF

    The GM8FFX/B hardware. LRS member Brian Flynn GM8BJF has built and installed a second personal beacon on 10GHz in less

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  • 2/3 May 2015 – GM3HAM/P in Microwave Trophy at Gatehouse of Fleet

    2/3 May 2015 – GM3HAM/P in Microwave Trophy at Gatehouse of Fleet

    Brian GM8BJF and Alan GM0USI A “compact” team of Brian GM8BJF (operator of GM3HAM/P) and Alan GM3PSP (chief cook /

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  • 13 May 2015 – Film Soundtrack Technologies – Alan Masson GM3PSP

    13 May 2015 – Film Soundtrack Technologies – Alan Masson GM3PSP

    Photo by Melvyn GM4HYR. At the meeting of the LRS on 13th May 2015, Alan Masson GM3PSP traced the history of

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  • 22 April 2015 – DXpeditions to Tonga & Micronesia – Chris Tran GM3WOJ

    22 April 2015 – DXpeditions to Tonga & Micronesia – Chris Tran GM3WOJ

      Keith Kerr GM4YXI/GM5X & Chris Tran GM3WOJ/GM2V in Chuuk, Micronesia, April 2015 (It’s tough, but somebody’s got to do

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  • 8 April 2015 – Spring 2015 Surplus Equipment Sale

    8 April 2015 – Spring 2015 Surplus Equipment Sale

    The Spring 2015 Surplus Equipment Sale was held on 8th April at St Fillan’s Church.   The sale items included

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  • 20 March 2015 – Solar Eclipse

    20 March 2015 – Solar Eclipse

    Photos by Brian GM4DIJ of the near-total solar eclipse.   See also: RSGB Eclipse Experiment yields data. 

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  • 25 March 2015 – Vector Network Analyzer – Brian Flynn GM8BJF

    25 March 2015 – Vector Network Analyzer – Brian Flynn GM8BJF

    LRS member Brian Flynn GM8BJF talked about The Vector Network Analyzer (VNA) at the meeting of the LRS on Wed

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