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
The lower portion of the column on the right-hand side of this blog is where I put links to interesting blogs, YouTube channels, and web sites. Yesterday one of the links there led me to the above video. It presents a regen receiver using one 12AU7 tube and a 12 volt power supply. Wow! I have many of those tubes. And at 12 volts I am unlikely to electrocute myself. Count me in. In the final minute or so of the video, the builder tunes around the 40 meter phone band. Suddenly I heard a familiar voice. It wasn't recorded long enough for the callsign to be heard, but I was pretty sure it was our old friend August, K5HCT (Here Comes Texas) from Odessa. Odessa, Texas is a good skip distance from both California and Virginia, so Pete and I have both talked to August many times. When I was testing out new homebrew contraptions, August was often there to help me out. I was pretty sure it was August in the video. I checked with Pete -- he too recognized the voice. Then I got an e-mail response from August -- yea, it was him. On the air, I often recognize a voice before I hear a callsign. In this case it happened via a somewhat wobbly regen and the internet. THE RADIO GODS HAVE SPOKEN. Now where did I leave those 12AU7s?
"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
Bill's OTHER Book (Warning: Not About Radio)
Click on the image to learn more
Where are the readers of SolderSmoke Daily News?
Pete Juliano N6QW
SolderSmoke Co-Host and Master Homebrewer
Dean Souleles KK4DAS
With beret and with a Michigan Mighty Mite in hand
SARC Bi-weekly Bulletin
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January 21, 2025
Issued during the first and third week of each month, it provides a quick
reference for member activities, resources and links for the f...
Part Obituaries continued : R.I.P -- dear J310
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Greetings ###
I'm working on a common gate RF amp using the ubiquitous RF home brewer's
JFET, the J310. I happened to go on DigiKey and Mouser. Here's w...
Soldersmoke Direct Conversion Challenge - revisited
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I built the direct conversion receiver described on the Soldersmoke blog a
while back but ran in to several problems. The audio chain was very
unstable and...
NanoVNA-H4 – Surely Smith is better? – #2
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NanoVNA-H4 – Surely Smith is better? discussed a correspondents
contention that “surely a Smith chart is superior for antenna system
tuning, a universal di...
Hollow-State Design, 3rd Edition
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Hollow-State Design, 3rd Edition is available from: Lulu Press:
tinyurl.com/hollowstatedesign3 eBay: search for “hollow-state design”
Electric Radio bookst...
I Finally Bought My Dream Airplane
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Aviation has been a love of mine since I was a very little person. Living
in Nevada, seeing posters and ads for the Reno Air Races, specifically the
Texa...
2000 47pF Caps ...
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An unexpectged package arrive in the mail today. Did you ever wonder what
2000 47pF NP0 capacitors look like? Thanks to John, AB2XT I will never run ...
New QRP Cluster 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...
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 ...
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...
SMA Torque Wrench for the NanoVNA (uncalibrated)
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I have been using SMA connectors on most of my projects, and have
occasionaly gotten a slightly different reading than I had expected. Using
the NanoVNA, ...
Modifications to the Dayton/FDIM-2019 Antuino
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The Dayton Antuino has sub-optimal performance. This is a short note on
improving it to an 80 db range of measurements. The trouble with Antuino
2.0 (the o...
Raduino as NBFM TX
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Here is a neat, 30 minute hack for your Raduino to turn the Si5351 into a
pretty stable, solid NBFM transmitter. The hack is to add a varactor diode
in ...
QRP Labs shop!
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[image: Shop]
All QRP Labs kits may be ordered online securely at the shop, with PayPal
payment.
*Click here to visit the shop!*
*Click!*
*Shop! Order...
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