Scottish Charity number SC045038
-
LRS Messages of the Day
1-7 Sept 2025 – Full report by Peter GM4DTH added to GB70RS article in Latest Reports.
1st Oct 2025 – Using Ansys HFSS for Amateur Radio Projects by Brian Howie GM4DIJ. (Ansys HFSS = High Frequency RF Simulation Software). Report – see Radio News Items, below.
Wed 8th Oct 2025 – LRS Net 187 – 20:00h 144.350MHz SSB – all welcome.
Wed 15th Oct 2025: LRS Surplus Sale at St. Fillan’s Church, Buckstone Drive, EH10 6PD. Doors open at 7.30pm for 8pm start.
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
-
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.
Wed 29th Oct – Pub Night at Wee Bennet’s Bar, Maxwell St., Morningside Stn.
Wed 12th Nov 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
-
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
-
10 Sept 2025 – Andy Sinclair MM0FMF – Presidential Address – “Things that made me go hmmmmmm…….” (Windows-11 & QRP ATUs).
LRS President Andy Sinclair MM0FMF started the new club year with his… Read more
RALLIES AND OTHER EVENTS
-
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 8 places left – book now!
-
Sun 26 Oct 2025 – Galashiels Rally
Click for details.
CONTEST CALENDAR
-
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
-
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 […]
-
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.
-
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 MM0ISH […]
-
Museum of Communication
-
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)! […]
2. SILENT KEYS
There are no current silent key notifications. Click on the heading to see the silent key archive.
3. ITEMS FOR SALE
-
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 […]
-
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 […]
-
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 […]
-
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 […]
-
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
-
Wed 28th March 2012 – Homebrew Microwave Construction by John Cooke GM8OTI
John GM8OTI and his homebrew 23cm & 13cm transverters and yagis At the meeting of the LRS on 28th March 2012 LRS […]
-
9th March 2012 Aurora Summary by GM4BYF
The double CME eruption of March 7th produced a complicated magnetic situation. Most likely both CMEs “ate” each other (hence […]
-
Wed 14th March 2012 – WWII Utility Radios by Colin GM4HWO & Peter GM4DTH
Colin GM4HWO & Peter GM4DTH after their presentation. At a most enjoyable meeting of the LRS on 14th March Colin Wright GM4HWO described the […]
-
22nd Feb 2012 – Modifying PC PSUs for Radio Use by Brian Flynn GM8BJF
GM8BJF measuring voltage on a modified PC PSU At the meeting of the Lothians Radio Society on 22nd February LRS member Dr. Brian Flynn […]
-
Wed 8th Feb 2012 – Aurora Explained by Dr. David Gavine
At the meeting of the Lothians Radio Society on Wednesday February 8th Dr. David Gavine talked on “Aurora Explained” – how it is caused by […]
-
HAPPY NEW YEAR!
(Photo by GM3PSP) A Happy New Year to all our readers! We look forward to welcoming you to the meetings of […]
-
Wed 11th Jan 2012 – Video Evening – ‘The Spies Who Lost the Battle of Britain’
CHL – Chain Home Low radar installation The first meeting of the LRS in 2012 was the Video Evening on […]
-
Wed 25th Jan 2012 – International Lighthouses Weekend 2011 by Geoff Crowley MM5AHO
Approaching Skerryvore Lighthouse Geoff Crowley MM5AHO described and showed video footage shot by his son Matt MM1EUI of their participation in the International […]
-
RSGB EGM on 19th November 2011 – All Motions Carried
Photo courtesy RSGB At the RSGB EGM held on 19th November 2011 at the Hilton Metropole Hotel, Birmingham NEC, all the […]
-
Wed 14th December 2011 – LRS Christmas Curry
Paul GM4UPN & Brian GM8BJF, winners of the annual “Largest Naan” competition in 2011. (Photo by GM3PSP) The annual Lothians Radio […]
-
Wed 23rd Nov 2011 – Communication Receiver Design by David Stockton GM4ZNX
(Photo courtesy GM4ZNX) David Stockton GM4ZNX talked about Communication Receiver Design at the LRS meeting on 23rd November 2011. He described the evolution of […]
-
5th Nov 2011 – GMRT – Scottish Microwave Round Table
LRS Member Chris GM4YLN with Brian GM8BJF who brought a ton of test equipment to Burntisland to provide rig-testing for GMRT participants. […]