Just go to http://soldersmoke.com. On that archive page, just click on the blue hyperlinks and your audio player should play that episode.
http://soldersmoke.com
Gee-willikers! This RCA movie is the cat's pajamas! Really great stuff. The guy who posted it on YouTube said it had been sitting on his shelf for years, apparently just waiting patiently for the broadband Internet.
I hadn't realized how labor intensive tube production was. Looks like every one of those fire bottles was, to a large extent, put together by hand. The contrast with the way solid state devices are produced is really striking -- the tubes seem like the product of artisans. And they somehow just seem to be more homebrew-friendly than modern solid-state devices.
Don't miss Part 2! Here we see "heroic hams" in action, saving people from serum shortages during floods, etc. Watch the policeman with the Tommy-Gun almost run over the kid on the bicycle. Yikes G-man, that was close!
The date on the film is 1942, and judging by the number of women shown working in the factories it does seem like a wartime film, but I was surprised by how infrequently the tube's role in the war effort was mentioned.
"SolderSmoke -- Global Adventures in Wireless Electronics" is now available as an e-book for Amazon's Kindle.
Here's the site:
http://www.amazon.com/dp/B004V9FIVW
Trying a $15 70cm transceiver
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Peter, VK3YE, recently posted a video of a pair of 433Mhz transceivers he
bought at Aldi for $20. They worked OK but had a number of obvious annoying
probl...
Re: Scrapping a Classic
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I'm in Oregon but would gladly drive anywhere to save the BC-7. I've been
looking for one, or its equivalent for years.
W7NGA
April 24, 2024. Are you Biased?
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Shame on you! We are not talking about the criminal trial of a former
president nor the situation in the Middle East. The subject is the Bias
setting on yo...
Scott’s “Fun Harbour-Side POTA”
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Many thanks to Scott (VA3EKR) who shares the following field report: Apr.
15, 2024, Great Lakes Waterfront Trail Recreation Site (CA-6003) by Scott
(VA3EKR...
An Inline RF Step Attenuator for QRPp Work
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I don’t need to explain the attraction of low power operation; if you’re
reading this, the chances are that you are already a convert. I’ve been
operating ...
Using an external clock with the RX-888 (Mk2)
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*The RX-888 (Mk2) and external clocking*
*Figure 1:*
The RX-888 with external clock input *(right)*
The enable/disable switch is barely
visible behind the...
A 51S-1 Restoration Story
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I came across my Collins 51S-1 in a big junkyard in Ankara, Turkey around
2012. It was in a pile with a lot of other electronic scrap, probably from
one o...
New QRP Cluster Online From OM0ET and OM6APN
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By DX EXPLORER
DX EXPLORER
Paul OM0ET and Peter OM6APN recently launched a new cluster dedicated to
QRP operations. Have a look and I hope you will enjoy...
3D Printing The Hadley 114mm Newtonian Telescope
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Yes, we’re building a 3D Printed Newtonian Telescope called Hadley. It’s
being printed in PETG and in the video below, I give a quick tour. My build
isn’...
3D printed project boxes
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I have been busy with some other things that have kept me away from
electronics projects for quite a while. Now I can get back to them, but
realize I n...
Daylight Again – An all Analog Radio
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What’s all this? In 10 seconds, A high performance, 7MHz, 5 watt SSB rig
Draws just 24 mA of current 90 dB dynamic range, 80 dB close-in dynamic
range 3D ...
Adding Enclosure to your sBitx Boards Order
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The early buyers of the sBitx board set who bought it for $270 USD might
want to also add the enclosure (box) for in the kit. What you will now get
is a f...
Digi-chirp! Digital synthesis of ‘nostalgic’ CW
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The bottom ends of 80, 40 and 20m are not what they used to be. For
starters, the busiest part is the digital segment where computers talk to
computers – l...
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A Simple Speech Processor
(For QRP/SSB Homebrew Transceivers )
Over the last few weeks I had been thinking to build a small AF speech
processor to add to...
A New Look for your uBitx!
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Adding a "Cool Blue" Display to your uBitx!
The standard "green background" with black lettering frequently reminds me
that I suffer from Chronic seasickn...
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