Showing posts with label UK. Show all posts
Showing posts with label UK. Show all posts
Friday, June 13, 2025

Britain's Secret Listeners

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Today Hack-A-Day has an unsually good report on Britain's Voluntary Interceptors. I was especially touched by the story of the guy who p...
1 comment:
Friday, May 30, 2025

Hiss, Filters, QRM, and Hearing Loss: Do we need AF filters in direct conversion receivers?

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L6 is the 88mH toroid Messages on Discord about the need to knock down higher frequency audio response in the SolderSmoke direct conversion ...
1 comment:
Friday, April 25, 2025

Adrian M7EFO's FB SolderSmoke Direct Conversion Receiver

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Adrian has completed a very FB direct conversion receiver.  Really nice work. It is especially pleasing to see that Adrian is a member of GQ...
1 comment:
Tuesday, April 1, 2025

Chris M6CRD's FB SolderSmoke Homebrew Direct Conversion Receiver

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Chris M6CRD built a really nice looking recceiver.  And it sounds great too, both on CW (above) and SSB (below).  Chris writes:  Hi Bill.  I...
1 comment:
Thursday, March 27, 2025

Dave G6GEV's Very FB SolderSmoke Direct Conversion Receiver, with an Innovative Bic Pen PTO!

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This is a really nice one.  In the "proof of life" video we find a lot of proof, and a lot of life.   SSB from the UK sounds reall...
Wednesday, February 26, 2025

Chris's Homebrew Direct Conversion Receiver -- From Wales in the UK

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A few of the builders are so new to the hobby that they don't even have ham licenses yet.  That is the case with Chris from Wales.   Chr...
1 comment:
Monday, February 24, 2025

Chris G7LQX's SolderSmoke Challenge DC Receiver

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It looks and sounds really good.  It is inhaling SSB, CW, and digital signals on 40 meters.  Great job Chris.  More details here.  It is NOT...
4 comments:
Monday, January 27, 2025

First 10 Meter AM Contact from Hi7/N2CQR

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I threw this in the bag on the way to the DR, almost as an afterthought.  But I am glad I did.  Today, watching reports on my 10 meter CW be...
1 comment:
Tuesday, January 14, 2025

Shock and Awe: The Story of Electricity --- Wonderful Video by Jim Al-Khalili (sent to us by Ashish N6ASD)

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From Ashish N6ASD -- Oil Lamps and Electronics Here is the link to the video:  https://www.youtube.com/watch?v=Gtp51eZkwoI First, thanks to ...
3 comments:
Monday, October 7, 2024

Tally Ho! Leo Solders -- Aurora -- Satellites -- Meteors -- Tides -- Starlink

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I've been following this YouTube channel, probably since early in the pandemic.  It is not about radio, but in this episode we see Leo a...
2 comments:
Thursday, September 5, 2024

Who can tell us more about Lovelock's homebrew shortwave radio?

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" Three years earlier, Lovelock had listened on his homemade shortwave radio in Finchley to the 'beep, beep, beep' transmission...
Sunday, July 14, 2024

Electromagnetic Waves -- Sir Lawrence Bragg -- Royal Institution (Video)

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This is a really wonderful video.  I especially liked his presentation on the nature of the EM spectrum, and his use of the centimeter waves...
5 comments:
Wednesday, May 22, 2024

Rigs on Vertical Boards -- Then and Now

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  I saw this on Facebook today.  G1AVQ (SK) Rig The G1AVQ rig reminded me of the N3FJZ rig that I worked in 2015: https://soldersmoke.blogsp...
5 comments:
Tuesday, May 21, 2024

Laser Communication in London 2007 -- a Pointer, a VW Solar Panel, and Radio Kismet

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Hack-A-Day has an article today about using a laser for data transmission.   This reminded me of a discussion I had with Mike KL7R about sim...
Wednesday, April 3, 2024

Ian Keyser G3ROO and Spy Radios

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Above is a recent ICQ podcast interview with Ian.  Here is a slightly older interview with Ian: https://www.itv.com/news/meridian/2018-10-1...
Wednesday, November 1, 2023

Basil Mahon is an Author for Us -- He explains Faraday, Maxwell, and Heaviside

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  Armand WA1UQO has sent me two of Basil Mahon's books.  They are both really great.  He is a wonderful writer who has the rare ability ...
1 comment:
Sunday, October 15, 2023

Spy Rigs, Para Sets, Bugs, and Enigma Machines -- Dr. Tom Perera W1TP (video)

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This is a really amazing presentation by Tom Perera W1TP to the Fairlawn (NJ) Amateur Radio Club.  There is so much great info in this prese...
Saturday, August 19, 2023

Valveman -- The Story of Gerald Wells

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Don't be deterred by the annoying test patterns at the start of this video.  Just skip past them.  The rest of the video is quite good. ...
2 comments:
Tuesday, June 13, 2023

How they Make Raspberry Pi 4 Single Board Computers

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So, if the Raspberry Pi is a key part of your new "homebrew" rig, how much of the rig did YOU actually build? 
3 comments:
Friday, April 28, 2023

Who is the Man in the Portrait in Artie Moore's Shack?

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  Who is this person?   He is in a prominent position in Artie Moore's very early radio shack.  Artie was obviously big on labeling thin...
4 comments: