Welcome to the Lothians Radio Society

Scottish Charity number SC045038

  • LRS Messages of the Day:

    From Peter GM4DTH:  television programme scheduled for 00:25 on Wednesday morning, 8th July, on BBC2:
    ‘The Farthest: Voyager’s Interstellar Journey. The story of Voyager, an epic of human achievement, personal drama and miraculous success. [S] [HD]’

    LRS July Nets: Weds 8 July (TODAY), 15 July – 20:00h – 144.350MHz SSB.

    LRS Summer Pub Nights: Weds 8 July (TONIGHT), 22 July, 29 July – 7:30pm – Wee Bennet’s Bar, Maxwell St, Morningside Stn.

     

LRS MEETINGS

  • LRS Barbecue POSTPONED from Wed 24th June. New date TBA ~ Aug.

    Wed 9 Sept 2026 – Presidential Address – Andy Sinclair GM4LLD.

    Wed 23rd Sept 2026 –  LRS Visit to MOC Burntisland 2026 Exhibition – When Screens were Small, but the Magic seemed Huge – 100 Years of Television. There will also be a lecture by Prof. Tom Stevenson – 100 Years of Television – some Technical Milestones, including the early days of TV in Orkney.

     

  • 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.

    https://gmroundtable.org.uk/ 

    One more speaker to present a microwave-related talk is still needed – contact Colin gm4hwo@gmail.com. 

    Details will be available nearer the date.


  • 9 May – 30 Sept – Weds & Sats – MOC Exhibition 2026

  • Friday 17 July 2026 – MOC Goudie lecture – The Pavek Museum of Electronic Communication, Minneapolis USA.

    Our next Goudie Lecture will take place at 7.30 pm on Friday 17 July and is entitled The Pavek Museum of Electronic Communication, Minneapolis USA. It will be presented by the Museum’s Curartor, Dr Luis F. E. Souza, who is visiting Scotland for a conference in Edinburgh. The lecture is taking place on a Friday, as this is the only day available in Dr Souza’s busy schedule. Please see Events – Museum Of Communication for further information.
    The Pavek Museum has a similar background to the MoC, being started by Joseph Pavek [1908-1989] who was only slightly older than our own founder, Harry Matthews.

    To attend in person, please email enquiries@mocft.co.uk or REPLY ALL to this e-mail. Zoom access details will be sent to you about 10 days before the Lecture.

    Attendance in person costs £5. Those viewing the lectures online are encouraged to make a voluntary donation of £5 in support of MoC activities via our web page at Shop – Museum Of Communication. We are a charitable organisation that relies entirely on donations for financial survival.
    Please be aware that our lectures are not recorded. There is therefore no catch-up facility.
  • 20-21 June 2026 – GM3HAM/P operated by Brian GM4DIJ in 50MHz Contest.

    I’m out /P from IO74MU for the 50MHz Trophy. Today and tomorrow. 3pm till I get hungry, and 9am to  3pm tomorrow.
    Fairly minimalist effort 300W to a 5 ele
    Listen for GM3HAM/P . No postcode bonuses, only countries and squares

  • 3-5 July 2026 – VHF NFD 2026 participation by LRS is CANCELLED. Sadly, the key players in the LRS contest group have decided this event will need to be cancelled. The main reasons are lack of resources and transport at this time. Participation in the Sept 2026 VHF event is being discussed.

  • 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, RECENT MEETINGS, 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.

  • 20-21 June 2026 – GM3HAM/P operated by Brian GM4DIJ in 50MHz Trophy contest from near Stranraer.

    20-21 June 2026 – GM3HAM/P operated by Brian GM4DIJ in 50MHz Trophy contest from near Stranraer.

    Brian operated from his usual location near Stoneykirk, SW of Stranraer. “The weather was good if a little warm. I did the 24Hour section, but split it into two sessions. Saturday 3pm till 7pm. This was set by the falling off of SpE and the need for dinner. Sunday was 8am to 3pm.   The band was open via SpE to most of Europe , Italy, France, Spain etc, but I was failing to get replies to CQ and to work what were very loud stations. I think it was a combination of heavy QRM in Europe and my…

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  • 11 June 2026 – US Army’s breakthrough sensor to pinpoint radio signals on battlefield

    11 June 2026 – US Army’s breakthrough sensor to pinpoint radio signals on battlefield

    US Army develops ‘breakthrough’ Rubidium vapour cell quantum sensor to pinpoint radio signals on battlefields. See: https://interestingengineering.com/military/us-develops-breakthrough-sensor-for-battlefield

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  • RadCom June 2026 – LRS NARSA Rally Photo in RSGB RadCom

    RadCom June 2026 – LRS NARSA Rally Photo in RSGB RadCom

    The LRS group photo taken at Pete GM4BYF’s table at the NARSA (Blackpool) Rally has been published in RSGB RadCom magazine, June 2026 issue, p.80.

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  • Sat 27 June 2026 – BBC closed Radio-4 198kHz LW Service at 01:00h BST.

    Sat 27 June 2026 – BBC closed Radio-4 198kHz LW Service at 01:00h BST.

    The BBC closed its Radio-4  198kHz Long-Wave service from Droitwich, Burghead and Westerglen at 01:00h BST on Saturday 27th June 2026. It had operated since Sept 1934. The RSGB and the BBC Amateur Radio Group are planning to mark this event on the air.  Click for info. Iain GM8LYQ reports: The transmitters are actually still running. They no longer carry BBC R4 programming, but are broadcasting a repeating message concerning the cessation of the R4 longwave service. The very last R4 item broadcast was the time signal (with the final pip truncated!). Peter GM4DTH reports that the 198kHz transmitters…

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  • 17 June 2026 – LRS AGM 2026

    17 June 2026 – LRS AGM 2026

    John Taylor GM4JRT (Treasurer), Andy Sinclair GM4LLD (President), Dr. Iain Coates GM1MSS… Read more

  • 28 June 2026 – Obituary – Liz Brunsdon, XYL of Mike GM8KCS and mother of Michael MM3MDB.

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  • 28 June 2026 – Corsair CV450 modern PC PSU – for sale by Andy GM4LLD

    Corsair CV450 modern PC PSU. Comes from my son’s PC as he has just updated with some new GPU that needs a bigger PSU. No box but clean and working. £20 Andy GM4LLD (ex-MM0FMF)

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  • 13 June 2026 – Dell Monitor for Sale by Andy GM4LLD

    13 June 2026 – Dell Monitor for Sale by Andy GM4LLD

    Dell U2412M hires 1920 x 1200 LCD monitor Adjustable stand DisplayPort, DVI & VGA inputs 1920 x 1200 WUXGA resolution 4 port USB2 hub. Mains lead Very good condition, no screen blemishes. £35 Andy GM4LLD.

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  • 26 Apr 2026 – Bencher BY-1 Dual Paddle for Sale by Andy GM4LLD.

    26 Apr 2026 – Bencher BY-1 Dual Paddle for Sale by Andy GM4LLD.

    Bencher BY-1 dual paddle key. Chrome mechanics on black base. Used and slightly worn but in very good condition otherwise. Pictures available on request. Price £125 or offer. Andy Sinclair GM4LLD (formerly MM0FMF

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  • 10 Mar 2026 – For Sale: Sigma 2010 Skip Master 25-30MHz am/fm/ssb, fibreglass home base antenna

    John GM4JRT has  for sale this aerial a   Sigma 2010 skip master 25-30MHz am/fm/ssb , fibreglass home base antenna  , works well without an ATU on 10 m and 11m band I have the aerial at my QTH , photo attached – collection from QTH GM4HWO @  Liberton Sigma 2010 skip master 25-30MHhz am/fm/ssb , fibreglass home base antenna, power handling 1000 watts, length 5.48 m/ 18 feet, Gain 9.9 dB, impedance 50 ohms, frequency 25-30MHz (with tuning), construction fibreglass, swr 1:1.3, Mounting bracket pole, the sigma euro-comm ½ wave skip master 2010 is a high performance base station antenna.…

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  • 29 Jan 2026 – Items for Sale by Norman MM0BMG (Reduced Prices).

    Norman has reduced the prices of many of the items on his list: GM1CNH Equipment Sale Updated: 29 January 2026 Item Description Price Alinco HF Mobile Whip Antenna 2.7 m mobile whip; antenna mounting bracket and spring; adjustable vehicle mounting bracket; heavy duty; boxed. NEW – £150 Anritsu MT8820A Radio Communication Analyser 30 MHz to 2.7 GHz, spectrum analyser, 2G/3G mobile phone tester, output power, modulation, RF signal generation, £300 Badger Boards HF Antenna wideband folded dipole antenna with balun N(f) connector; heavy duty centre spacer; termination resistor; 1.5 MHz to 30 MHz; supplied with 2 x 50 ft antenna…

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  • 7 June 2015 – Livingston Rally

    7 June 2015 – Livingston Rally

    Microwavers Brian GM8BJF (LRS) & Alan GM0USI (Glasgow) There was a good turnout for the Central Scotland Mini Radio Convention in Livingston on Sunday 7th June 2015. Several LRS members attended and picked up bargains. Prof Tom Stevenson was among the lecturers, talking about the history of microelectronics.    Full report with photos.

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  • 24 June 2015 – LRS Summer Barbecue

    24 June 2015 – LRS Summer Barbecue

    Pete GM4BYF, Brian GM8BJF, Robin GM4YPL & Chris GM4YLN The annual summer barbecue of the Lothians Radio Society was held on Wednesday 24th June at the QTH of Pete GM4BYF & Kay GM6KAY at Fairmilehead, with 17 members and friends attending. Pete and Kay put on a great spread including steaks kindly brought by David…

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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 General Meeting of the Lothians Radio Society was held on 10th June 2015 at the Braid Hills Hotel. LRS President Andy Sinclair MM0FMF reported (via Skype from Germany) on another very successful year. Treasurer Peter…

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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 Sir Edward Appleton, discoverer of the ionosphere, by laying a wreath at his gravestone in Morningside cemetery, Edinburgh, just a short walk from the meeting place of the Lothians Radio Society. It is easily found…

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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 Dr. John Gould G3WKL presented trophies to two LRS members and one close friend of the LRS. Congratulations to them all. Chris Grierson GM4YLN received the RSGB Jack Wylie Trophy as the outstanding Scottish station…

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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 2015 with a new start point on Braid Hills Road, next to the entrance to the Braids Golf Course to avoid the high level of noise experienced last year outside the Braid Hills Hotel. Peter…

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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 Microwaves” is published in the opening issue of the new RSGB  publication RadCom.plus. This is available online only, and only to RSGB members. (There’s a moral there somewhere)! Brian’s circuit provides accurate, stable frequency sources in…

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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 than a year. The first was GM3WOJ/B on 10368.400MHz at the QTH of Chris Tran GM3WOJ at Lamington near Invergordon at IO77ws, installed in June 2014 and described in an earlier article. This beacon is almost…

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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 / genny operator / photographer) were joined by Alan Dimmick GM0USI (operator) from Glasgow at our site near Gatehouse of Fleet for the Microwave Trophy on 2nd May 2015. Seven QSOs were made on 10GHz on…

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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 film sound tracks from the first sound-on-disc systems such as Vitaphone, used for The Jazz Singer in 1927, through analog sound-on-film systems including dye-only tracks, to the digital systems used latterly on film release prints. …

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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 it)! Well-known Scottish DXer Chris Tran GM3WOJ talked about his DXpeditions to Tonga in 2014 and Micronesia in 2015 (just back!) at the meeting of the LRS on 22nd April 2015.  In April 2014, Chris Tran GM3WOJ/GM2V travelled…

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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 this HF loop antenna brought by Ian GM3VEI, Dunbar.  Photo report.

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