Scottish Charity number SC045038
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LRS Messages of the Day
SESAME – March IET Talk: The Voyager Interstellar Mission – 4th March at 2.00pm Napier University Colinton Campus – Rivers Suite. See Upcoming Meetings below.
4th March – 8:00pm – LRS Net 197 – 144.350MHz SSB – All welcome.
11th March – BHH – 8.00pm – Which Way is Up? by Malcolm Hamilton GM3TAL.
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 15 Apr – St Fillan’s Church, Buckstone Drive – 20:00h – LRS Spring Surplus Sale.
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.
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Wed 4th March – 14:00h – Napier University, Colinton Campus – Rivers Suite – IET Talk: The Voyager Interstellar Mission –Launched in 1977, the Voyager 1 & 2 spacecraft continue to send back scientific data despite now being almost 1 light-day from Earth.How has this been done and what of the future?The talk to be given by LRS members, James Gentles GM4WZP (engineer) and Dr John Cooke GM8OTI (scientist), will cover the achievements necessary to maintain this flow of scientific data back to Earth and the scientific discoveries made.You do not have to register but it does help us plan the event. The link to register is given below.
https://localevents.theiet.
org/4e5ec0
Wed 11th March – 20:00h – BHH – What Way is Up? – Malcolm Hamilton GM3TAL.
Wed 25th March – 20:00h – BHH – Rig Testing & Calibration (practical).
RECENT MEETINGS
RALLIES AND OTHER EVENTS
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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.
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Saturday 28th March 2026 – 27th ANNUAL GMDX CONVENTION & DINNER
The 27th Annual GMDX Convention & Dinner will be held on Saturday 28th March 2026 at the King Robert Hotel, Stirling, FK7 0LJ.
A link to the Convention Programme is below, along with the booking form. Please use the instructions on the booking form, or visit the GMDX website link below to secure your booking: https://gmdx.org.uk/27th-annual-gmdx-convention-dinner/ It would be very much appreciated if you could book as soon as possible. See you there! Thanks & 73. Gordon, MM0GOR GMDX SecretaryGMDX Convention Programme 27th March 2026 -
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.
CONTEST CALENDAR
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Would like to do the 144 MHz May weekend at Gatehouse of Fleet if there are enough people? Anyone up for this on 15 – 17 May?As an alternative could do the May UHF and microwaves weekend on 1 – 3 May instead?73 – Norman Stewart GM1CNH
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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, 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
There are no RADIO NEWS ITEMS. Click on the heading to see the radio news archive.
2. SILENT KEYS
There are no current silent key notifications. Click on the heading to see the silent key archive.
3. ITEMS FOR SALE
There are no current items for sale. Click on the heading to see any archived items.
Lothians Radio Society activities – latest reports
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22 Feb 2023 – Peter Dick GM4DTH – “Receiving MF D/F Beacons”
22 Feb 2023 – Receiving MF D/F Beacons – Peter Dick GM4DTH Peter Dick GM4DTH At the LRS meeting
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8 Feb 2023 – Dr Roger Hill – “Plasmas – their Generation & Application”
Dr Roger Hill. Plasmas – their generation & application – Mercury arc, Neon lamp, Radio wave propagation, Laser design and manufacture.
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25 Jan 2023 – Peter Scott – “Pre-War Television”
25 Jan – Pre-War TV – Peter Scott Peter gave a most interesting talk about the pre-war days of television
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11 Jan 2023 – LRS Video Night – ‘A US Selection’
Peter Dick GM4DTH The theme was the Cold War, including early space-based communications: 01 – Communism 10:41 02 – The
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3 Jan 2023 – LRS New Year Pub Night – Wee Bennets Bar
“Wee” Bennets Bar, Maxwell St, Morningside Tues 3 Jan 2023 – LRS New Year Pub Night Colin GM4HWO, Colin GM4EAU,
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14 Dec 2022 – Christmas Curry – Gurkha Cafe
14 Dec 2022 – LRS Christmas Curry Peter, Colin, Alan & Colin at the Gurkha There was a small (but
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1 Dec 2022 – Committee Meeting
Colin GM4HWO, Andy MM0FMF, Colin GM4EAU, Pete GM4BYF, James GM4WZP, Peter GM4DTH, Alan GM3PSP. The meeting was held at
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23 Nov 2022 – Ed Bain GM4AIS – AI in Diagnostics
Artificial intelligence has been around for over 60 years. In reality it covers various techniques. One of them, Expert
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9 Nov 2022: David Stockton GM4ZNX – Limiting Factors in Receiver Design over the Decades
David writes: It’s quite simple if unusual. All the marketing departments of all the component, system etc manufacturers trumpet what their
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30 Oct 2022 – LRS Members at Galashiels Rally
Mike MM0MLB, Brian GM4DIJ, Colin GM4HWO / Brian GM8BJF, Norrie GM1CNH. The Canny Man. (Gateshead). Click for more photos taken
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22 Oct 2022 – GMRT-2022 – Scottish Microwave Round Table
GMRT-2022 was held on 22nd October at the Museum of Communication in Burntisland. A preliminary report with photos by John
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19 Oct 2022 – LRS Autumn Surplus Equipment Sale
Colin GM4HWO opened the sale. Lots of goodies – and cheap! Click for full report with many photos. ============================================