Scottish Charity number SC045038
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LRS Messages of the Day
TONIGHT – Wed 15th Oct 2025: LRS Surplus Sale at St. Fillan’s Church, Buckstone Drive, EH10 6PD. Doors open 7.30pm, 8pm start.
Sat 18 Oct 2025 : 11:00am MoC Goudie Lecture – Britain’s Contribution to Victory in World War II by Roy Johnstone, followed by buffet lunch.
Tues 28 Oct 2025 – Bletchley Park talk at Newington Library – see News Item, below.
Sat 1 Nov 2025 – GMRT-2025 – Only 2 places left – book now! See Rallies etc below.
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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PLEASE NOTE LECTURE TIME IS 11:00 NOT 11:30AM.
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AUTUMN 2025
Wed 15th Oct (3rd Wed) – 8pm at St Fillan’s Church, Buckstone Drive – LRS Surplus Equipment Sale. Do not arrive before 7:30pm.
Sat 18 Oct 2025 : 11:00am MoC Goudie Lecture – Britain’s Contribution to Victory in World War II by Roy Johnstone, followed by buffet lunch.
Wed 29th Oct – Pub Night at Wee Bennet’s Bar, Maxwell St., Morningside Stn.
Wed 12th Nov at 14:00h at Napier Univ. Craiglockhart – Technological advances in the development of WW2 airborne radar by Prof. Peter Grant. Click for details.
Wed 12th Nov at 20:00h at BHH: Radio Safari to Eswatini 3DA0 by Malcolm Hamilton GM3TAL
Wed 26th Nov – at BHH: Something to do with Beacons by Brian Flynn GM8BJF.
Wed 10th Dec: LRS Xmas Curry: 8:00pm at Kahani Indian Restaurant (BYOB), 10 Antigua Street, after pre-dinner drinks at 7:00-7:55pm at Jeremiah’s Tap, Elm Row.
RECENT MEETINGS
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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… Read more
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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… Read more
RALLIES AND OTHER EVENTS
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Sat 1 Nov 2025 – Scottish Microwave Round Table (GMRT-2025)
The 13th Scottish Microwave Round Table GMRT-2025, will go ahead between 10.30h and 17.00h on Saturday 1st November at the Museum of Communication, Burntisland, Fife. An interesting programme of speakers has been arranged, microwave test facilities will be provided and there will be an opportunity to buy components and microwave-related items. An optional Dinner will be held in the evening at the Kingswood Hotel. Full info / online registration available at https://gmroundtable.org.uk/or email Colin GM4HWO gm4hwo@gmail.com. Note the event has a maximum capacity of 50 people and only 2 places left – book now!
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Sun 26 Oct 2025 – Galashiels Rally
Click for details.
CONTEST CALENDAR
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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 MM0FMF 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
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28 Oct 2025 6:00-7:30pm Bletchley Park illustrated talk by Derek Douglas at Newington Library
Derek Douglas is a member of the Colinton Local History Society. (Free) tickets necessary. https://www.eventbrite.co.uk/e/bletchley-park-an-illustrated-talk-with-derek-douglas-tickets-1785984741439
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3 Oct 2025 – 75th Anniversary of the Transistor
The 3rd of October 2025 was the 75th anniversary of the patenting of the invention of the transistor by three […]
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2 Oct 2025 – GM1CNH Norman’s HK Colombia DXpedition
Some photos from Norman’s DXpedition to Colombia. (Norman GM1CNH & Peter GM4DTH). HK3LRB club setting up in park for […]
2. SILENT KEYS
There are no current silent key notifications. Click on the heading to see the silent key archive.
3. ITEMS FOR SALE
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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 Boxed and Unused ML&s Price £80 Only £40 Tel: 0131 539 2858 Dave […]
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2 ICOM SP-38 Speakers Matching IC-7300 & IC-9700 – Dave 6
2 x SP-38 Icom Speakers Matching IC- 7300 & IC- 9700 Boxed as New ML&s Price £156 Each […]
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21 Aug 2025 – Steel Ammo Box – £25 – Pete GM4BYF
For sale: Steel ex army ammunition box. Useful for carrying tools etc. Two handles. 58 x 26 x 26 cm […]
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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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2 Aug 2025 – ICOM R100 Receiver – Pete GM4BYF
ICOM – R100 General coverage receiver in excellent condition with all accessories and handbook. Covers 100kHz to 1.8GHz – AM, […]
Lothians Radio Society activities – latest reports
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13th March 2019 – Phantasmagoria – traditional magic lantern show – Winnie Stevenson, MoC.
Archer Magic Lantern At the meeting of the LRS on 13th March 2019 our good friend Winnie Stevenson from the […]
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27th Feb 2019 – Amateur Radio Operating in Colombia – Norrie Stewart GM1CNH / HK3/MM0BMG
On 27th Feb 2019 Norrie Stewart GM1CNH gave an illustrated talk on Amateur Radio Operating in Colombia as HK3/MM0BMG. Having travelled […]
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More on AMSAT Es’hail-2 geostationary satellite – now called Quatar OSCAR-100 or QO-100
LATEST: Brian Flynn GM8BJF reports that he has worked PY2GN near Sao Paolo in Brazil at GG56tv. Feb 2019 – […]
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13th Feb 2019 – Munros on the Air – James Gentles GM4WZP
At the meeting on 13th February 2019 LRS member James Gentles GM4WZP talked about “Munros on the Air”. “Long before […]
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23rd Jan 2019 – (1) Modern Roll-Your-Own PCBs – (2) The AMSAT Es’hail2 Geostationary Satellite – Brian Flynn GM8BJF
LRS President Brian Flynn GM8BJF was the speaker at the meeting on 23 Jan 2019 when he gave two talks: […]
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9th Jan 2019 – Video Evening – “The Dish on the Dish” – by Peter Dick GM4DTH – at the Edinburgh Cine & Video Soc.
Peter Dick GM4DTH again hosted the LRS Video Evening. It was held on 9th January 2019 as usual at the […]
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12th Dec 2018 – LRS Christmas Curry
Photo – courtesy Mike MM0MLB. After meeting first at the Booking Office on Waverley Bridge, the LRS 2018 Christmas […]
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28th Nov 2018 – RSGB Convention Lecture Videos – presented by Brian GM8BJF
At the meeting on 28th November 2018, LRS President Brian Flynn GM8BJF presented the videos of two talks given at […]
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14th Nov 2018 – R.V. Jones’ Most Secret War – Prof. Joe McGeough
At the meeting of the LRS on Wed 14th Nov 2018 Prof Joe McGeough of Edinburgh University talked about […]
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3rd Nov 2018 – GMRT – Scottish Microwave Round Table at MoC Burntisland
LRS Members James Gentles GM4WZP and Andy Sinclair MM0FMF did an audience brainstorming session on the design of a portable […]
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24th Oct 2018 – Q&A: Let’s Talk Technical – David Stockton GM4ZNX
SWR bridge circuit discussion At the meeting on 24th October David Stockton GM4ZNX (our resident radio genius) attempted to answer […]
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17th Oct 2018 – Surplus Eqpt Sale – St Fillan’s Church
The LRS Autumn 2018 Surplus Equipment Sale was held on 17th October at St Fillan’s Church, Buckstone. There was […]