Scottish Charity number SC045038
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LRS Messages of the Day:
Wed 22 Apr 2026 – BHH 20:00h – MICROWAVE ENERGY GENERATION ADVANCES WHICH ENABLED THE DEVELOPMENT OF WW2 AIRBORNE RADAR by Dr Peter Grant, Emeritus Regius Professor of Engineering, University of Edinburgh.
15 Apr 2026 – Spring Surplus Sale – over 30 attendance – see photos in Recent Meetings.
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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Wed 22 Apr 2026 – BHH 20:00h – MICROWAVE ENERGY GENERATION ADVANCES WHICH ENABLED THE DEVELOPMENT OF WW2 AIRBORNE RADAR by Dr Peter Grant, Emeritus Regius Professor of Engineering, University of Edinburgh.
Wed 29th April – Wee Bennet’s Bar evening – 7:30pm
RALLIES AND OTHER EVENTS
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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 ten minutes at the table.
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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.
Looking for a programme organizer for GMRT – contact Colin GM4HWO.
Details will be available nearer the date.
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Braehead Rallies Discontinued
Due to changes in large venues legislation, it will not be possible to continue the Braehead Rallies in Glasgow.
See: https://www.braeheadradiorally.com/
CONTEST CALENDAR
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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/rul
es/26rules/frameindex.html Tnx Brian GM4DIJ.
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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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9 May – 30 Sept – Weds & Sats – MOC Exhibition 2026
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9-29 April 2026 – JLBTV100 – 100 Years of Television – Helensburgh.
Test card with John Logie Baird, the inventor of Television. Iain Baird, grandson of John Logie Baird, the inventor of
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28 March 2026 – GMDX-2026 Convention & Dinner at Bannockburn.
Saturday 28th March 2026 – 27th ANNUAL GMDX CONVENTION & DINNER The 27th Annual GMDX Convention & Dinner was held
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Bletchley Park Visit
Your webmaster’s daughter Sheila recently visited Bletchley Park, including the RSGB’s National Radio Centre, GB3RS, which she enjoyed very much.
2. RECENT MEETINGS
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15 Apr 2026 – LRS Spring Surplus Sale.
There was an attendance of over 30 LRS members and guests for… Read more
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11th March 2026 – Which Way is Up? by Malcolm GM3TAL & Sue Hamilton
Anatomy of human balance system. A wee bit of physics, accelerometry and… Read more
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25 March 2026 – Rig Testing & Calibration Evening.
Pete GM4BYF, Bill GM8RBT, Bob GM4CMI, Brian GM8BJF. Some members had requested… Read more
3. SILENT KEYS
There are no current silent key notifications. Click on the heading to see the silent key archive.
4. ITEMS FOR SALE
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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 ,
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7 Feb 2026 – FREE Technical Books available from Andy GM4LLD
I have the following books available for FREE. If you want one, please reply direct to andy.gm4lld AT gmail.com <http://gmail.com> and I
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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
Lothians Radio Society activities – latest reports
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1st Oct 2025 – Using Ansys HFSS Software for Amateur Radio Projects by Brian Howie GM4DIJ.
Brian discussed the workings of Ansys HFSS = High Frequency RF Simulation Software. Brian described a number of application of
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Peter Brown G(M)3YOK Visit to Edinburgh
Former LRS member Peter Brown G(M)3YOK, now living in Cheshire, recently visited Edinburgh and met up with Brian Flynn GM8BJF.
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20 Sept 2025 – Colin GM4EAU & Iain GM8LYQ of LRS in RSGB LoRa Balloon Challenge
The LoRa Balloon. Colin GM4EAU & Iain GM8LYQ on East Lomond in Fife. Local (Fife) amateur Dougie MMØISH
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24 Sept 2025 – LRS Visit to MoC TV Exhibition & Bletchley Park Talk by Pete GM4BYF.
Speaker Pete GM4BYF was introduced by MoC Chair, Prof Tom Stevenson. Wed 24th Sept – at Museum of Communication, Burntisland
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19 Sept 2025 – LRS Members in RSGB RadCom
LRS member Vic GM3OWU has a letter on RAYNET Voice Procedure published in RSGB RadCom Oct 2025, p.89. (Over & Out)!
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10 Sept 2025 – Andy Sinclair MM0FMF – Presidential Address – “Things that made me go hmmmmmm…….” (Windows-11 & QRP ATUs).
Ø LRS President Andy Sinclair MMØFMF started the new club year with his Presidential Address “”Things that made me go
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3 Sept 2025 – Tower Removal.
Colin GM4HWO reports: John GM4JRT purchased a 9m-high Strumech tower from the XYL of a SK who resided in a
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LRS Online Membership Payment Option
From LRS Treasurer, John Taylor GM4JRT: This year we will be offering several different methods for members to pay their
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1-7 Sept 2025 – GB70RS on the HF Bands (Peter GM4DTH).
Peter GM4DTH, our local GB2RS news reader in Edinburgh, writes: I operated GB70RS, which is the callsign
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27 Aug 2025 – LRS Pub Night 5 at Wee Bennet’s Bar
There was a very good turnout of at least 11 for the last Pub Night of the summer, (Tnx Colin
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13 Aug 2025 – LRS Pub Night 4 at Wee Bennet’s Bar
L-R Melvyn GM4HYR, Peter GM4DTH, Grant GMØDQZ and (cameraman) Briain GM8PKL. Peter GM4DTH writes: There was a small turnout with
