Showing posts with label Tubes. Show all posts
Showing posts with label Tubes. Show all posts
Wednesday, May 21, 2025

Grayson Evans KJ7UM Interview at Four Days in May at the Dayton Hamvention 2025

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  LISTEN TO THE INTERVIEW HERE:  http://soldersmoke.com/KJ7UM at Dayton 2025.mp3 Grayson said quite a lot in this short 4 minute interview: ...
Thursday, April 24, 2025

The Copasteic Flow Blog -- German UHF Mobile CW Through a Geostationary Satellite, Agent Sonya's Homebrewing, More

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It is always good to be reminded that someone out there is listening and reading,  especially when it is nice folks like Hamilton and his fa...
1 comment:
Thursday, April 17, 2025

"Seems Like Radio is Here to Stay" -- Old Radio, Radio Magic

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The first 12 minutes of this podcast are pretty good.  I think it captures well the wonder of radio -- magic carpets, signals taversing the ...
1 comment:
Friday, March 14, 2025

Victor's FB SolderSmoke Direct Conversion Receiver from Holland Pulls In Stations from All Over Europe... and One from Japan

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Victor is a retired Electrical Engineer from the Netherlands.  He doesn't have a ham radio call sign, but as I have said about other rec...
1 comment:
Tuesday, February 4, 2025

Mr. Carlson Restores a BC-348 -- But 40 Meters Sounds Very Weak. Why?

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Mr. Carlson mentions that he is a ham radio AMer.  He is also on SSB, but AM is, he says, his preferred mode.  FB.  I got a real chuckle abo...
4 comments:
Wednesday, January 22, 2025

A Tale of Woe from Mike WU2D, PLUS: The Importance of Band Noise

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It was so cool to watch master homebrewer Mike WU2D candidly describe his error (tale of woe) made while building the Simple X Super receive...
Friday, January 10, 2025

What Homebrew Looks Like (And W9BRD comment on the High School receiver project)

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Clikc on the picture for a clearer view of this fantastic image Dave Newkirk is the son of Rod Newkirk, the guy who wrote the inspirational ...
Friday, December 13, 2024

SolderSmoke Podcast #255 -- Accept the HB Challenge!, DeMaw SSB, Brilliant TR-3, Tube Talk, Ground Truth, Tales of Woe, SDR RX, Pico Balloons, MAILBAG

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Mythbuster II -- 20 meters only SolderSmoke Podcast #255 is avalable:  Audio:       http://soldersmoke.com/soldersmoke255.mp3 Video:        ...
8 comments:
Wednesday, December 11, 2024

Mike WU2D's Video on the SimpleX Super Receiver -- Part II

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  Another FB video from Mike WU2D.    But you know,  I too find myself kind of opposed to front panel on-off switches.  I power my rigs with...
Monday, December 9, 2024

Listening to 40 meters on the DC Receiver -- And I Heard a Distinguished Homebrewer!

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I made the video above to show postential builders how useful our Direct Conversion receiver really is.   Late in the video (starting at 11:...
2 comments:
Monday, November 25, 2024

Pete N6QW Has Hybrid Rig On-The-Air

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  A thing of beauty on a wooden board.  Pete's post:   https://n6qw.blogspot.com/2024/11/11252024-1st-dx-with-40m-hybrid-rig.html "...
3 comments:
Thursday, November 21, 2024

Basic Radio Circuitry -- a 1971 film

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This 1971 training film is pretty good.  I like how they break the RF circuitry into just four components, then describe the AM receiver sta...
1 comment:
Wednesday, November 13, 2024

SolderSmoke #254 (Audio and Video Versions): Australian Hex Beam Eaters, Fake Wires, Hybrid Rig, Antennas, Mythbuster II Transceiver, Mailbag

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Hex Beam Eater November 13, 2024 SolderSmoke Podcast #254 is available:  Audio Version here:  http://soldersmoke.com/soldersmoke254.mp3 Vide...
1 comment:
Friday, November 8, 2024

Using a Photomultiplier THERMATRON to Detect Single Photons

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I've been a fan of Jeroen's YouTube channel for a while now.  He has a very nice approach, combining theoretical knowlege with pract...
Thursday, October 24, 2024

Mike WU2D Does a CCC Camp POTA with 1930's Gear

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FB Mike.  CW without sidetone is not for the faint of heart.   Walter KA4KXX saw Mike on the Reverse Beacon Network.  Mike's QSO with KN...
1 comment:
Tuesday, October 22, 2024

KA1MUQ's Amazing Homebrew Hybrid Rig

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  Nate KA1MUQ is still working on this rig and so has not yet produced any detailed schematics, but he sent this to us to show that true hom...
3 comments:
Friday, October 18, 2024

Mike WU2D POTA CCC Camp Activation (21 October 2024) with 1930s-era Station -- See If You Can Contact Mike!

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Frank Jones lives!  See if you can work Mike on Monday.  Let us know if you do!  -------------------------------- Bill,   I’m scheduled to t...
2 comments:
Tuesday, October 8, 2024

The Transistor that Changed the World -- the MOSFET

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Another great video from Asianometry.   My only quibble is that it kind of left unclear the differences between JFETs and MOSFETs.  After al...
2 comments:
Monday, September 30, 2024

Fernando's Rigs -- Vintage Ham Radio Receivers

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Thanks to Rogier PA1ZZ for sending me this YouTube link.  It is a truly wonderful channel from Spain. Not only the Collins Gold Dust Twins, ...
4 comments:
Friday, September 6, 2024

Ham Radio in the 1970s (and earlier, with some cool Jazz). What favorite rigs do you see?

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Rogier PA1ZZ sent me this today.  I think I may have seen pieces of it before, but this restoration  is really nice.  But ham radio seems to...
2 comments: