Scottish Charity number SC045038
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LRS Messages of the Day:
LRS July Nets: Wed 15 July – 20:00h – 144.350MHz SSB.
LRS Summer Pub Nights: Weds 22 July, 29 July – 7:30pm – Wee Bennet’s Bar, Maxwell St, Morningside Stn.
LRS MEETINGS

LRS meetings are normally held on the 2nd and 4th Wednesdays of each month (except July and August) at 8:00pm at the Braid Hills Hotel, 134 Braid Road, EH10 6JD.
In July and August Pub Nights are held at 7:30pm at Wee Bennet’s Bar at Morningside Station, on the 2nd and 4th Wednesdays. There are also occasional Wee Bennet’s evenings arranged during the main club season.
Most items are archived in Meeting Reports or Society Activities.
UPCOMING MEETINGS
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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.
RALLIES AND OTHER EVENTS
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Sunday 25 Oct 2026 – Galashiels Rally
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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
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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.
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9 May – 30 Sept – Weds & Sats – MOC Exhibition 2026

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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.
CONTEST CALENDAR
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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.
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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).
RSGB GB2RS NEWS
Every Sunday morning in the Edinburgh area at 09:30h from LRS member Peter Dick GM4DTH. 70.425MHz FM, 145.525MHz FM & 433.525MHz FM. Then call-in to Peter at 10:00h on 145.575MHz for local net. Several LRS members often there.

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.
1. RADIO NEWS ITEMS
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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…
2. RECENT MEETINGS
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17 June 2026 – LRS AGM 2026

John Taylor GM4JRT (Treasurer), Andy Sinclair GM4LLD (President), Dr. Iain Coates GM1MSS… Read more
3. SILENT KEYS
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28 June 2026 – Obituary – Liz Brunsdon, XYL of Mike GM8KCS and mother of Michael MM3MDB.
4. ITEMS FOR SALE
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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

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.

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…
Lothians Radio Society activities – latest reports
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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. Bill talked about the ALMA radio observatory in Chile. This is an array of 66 steerable microwave dishes, the largest and most powerful array in the world, operating together at frequencies of 30-1000GHz in the Atacama desert, one of the driest places on…
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20 Jan 2026 – Powerful X-Class Solar Flare causes Aurora in Scotland and Auroral Radio

Aurora from Dyke, Moray. Peter GM4DTH reports that an X1.9 flare and an associated CME were responsible for the events last night. The Kp index exceeded 8 and visual aurora was reports as far south as Cornwall with images used as a backdrop on the television weather forecast. The only features in the sky here…
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14 Jan 2026 – LRS Video Night 2026.

The Video Night 2026 was presented by Colin Murray GM4EAU in the BHH Gathering Room with an attendance of 19. 1. From Raw Crystal to Crystal Oscillator – Crystals Go to War in 1943. (45 min) The manufacture of quartz crystal electronic components and their use for the control of oscillators on precise frequencies. Natural…
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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 hear it on various Kiwi SDRs from Ireland to Poland, so it’s not a birdie. I got a reply from ndblist: “It’s been on 570kHz since early 2022 and as far as I can determine…
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10 Dec 2025 – LRS Christmas Curry

We met for pre-dinner drinks at Jeremiah’s Taproom in Elm Row (in Leith Walk, near London Road). Melvyn GM4HYR & Veronica Saunders. James GM4WZP, Colin GM4HWO, Simon GMØSCA & Melvyn GM4HYR. Then we crossed the road to the Kahani Indian Restaurant in Antigua Street for our traditional LRS Christmas Curry which we…
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Wed 26 Nov 2025 – Something to do with Beacons by Brian Flynn GM8BJF

Wed 26th Nov @ BHH: Something to do with Beacons by Brian Flynn GM8BJF. GB3EDN Beacon Reports. Brian talked about beacons he has been involved with in the VHF and microwave frequency range, starting with some historical background. He described getting a goodly number on…
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12 April 2026 – Norbreck (Blackpool) Rally

Curry in the Sunam restaurant on Saturday night. Colin GM4HWO showing off his big naans as usual. The Sunam curry-house. All the LRS visitors at Pete GM4BYF’s table at the rally. Pete GM4BYF & Kay GM6KAY were visited at their table by RSGB President Bob Beebe GU4YOX (not to mention Colin GM4HWO). Bob spent almost…
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1 Nov 2025 – Scottish Microwave Round Table GMRT-2025 at Museum of Communication

There was an excellent turnout for GMRT-2025 with all 50 places sold out. Click for GMRT Program. Photos by Tom Stevenson (MoC) and John GM8OTI. NOTE: This is a summary for LRS members. For Full Report, see the GMRT website in due course. Martin Hall GM8IEM (UK Microwave Group Scottish…




