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Blogs and Websites and Groups
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Take a breather from the Washington Mess-- buy a new radio. - It has been nearly 30 years since I laid out a wad of cash for a new radio. At that time, it was for a Ten Tec OMNI VI Option 3 Plus. There was a great del...
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Rebuilt the Soldersmoke DC receiver in compact form - Lots of fun and lots to learn from the Soldersmoke Direct Conversion receiver. It seems simple but there are some traps for young players like myself. Bui...
13 hours ago -
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Re: Puntucation not appearing correctly. - Besides typical computer software, hosting software (the place where the actual web site resides) can be upgraded in a way that conflicts with the web site...19 hours ago
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New site found for Irish beacon network - March 2025 - A few weeks back, I had a post up about how the *EI1KNH*, *EI0SIX* and *EI4RF* beacons in Ireland had to shut down due to a change of ownership of the be...
1 day ago -
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Another Look at the BFO from The Progressive Communications Receiver from QST for November 1981 - The Progressive Communications Receiver from November 1981 written by Wes, W7ZOI and John, K5IRK provides 2 of my all-time favorite analog superhet circu...
2 days ago -
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The Communicator March - April 2025 - *Lots happening...* You will find some great articles in this issue, along with our regular columnists. Now read in over 165 countries, this issue brings ...
1 week ago -
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Ali Express "SDR TX/RX Switch" - A design not well thought out... - *Figure 1: * Front panel of the SDR TX/RX antenna switch showing the the 3.5mm audio connectors and the red/green RX/TX LED - which have been swapped to b...
2 weeks ago -
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40m Pelican Case SSB Transceiver - See YouTube channels for details: http://www.youtube.com/c/CharlieMorrisZL2CTM *Test code for the LCD and Si5351* #include ...
1 month ago -
Finding Your Best Crystal Radio 'DX Diode' (Part 2) - Readers may recall my summertime blog, "*Finding Your Best Crystal Radio ‘DX Diode'*". It described a theoretical method I tried in order to see which o...
2 months ago -
WA2JMG - Episode 524 - Charles “Pete” Corp - WA2JMG Charles “Pete” Corp, WA2JMG, operates simple rigs into wire antennas, using low power. His primary operating mo...3 months ago
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Hollow-State Design, 3rd Edition - Hollow-State Design, 3rd Edition is available from: Lulu Press: tinyurl.com/hollowstatedesign3 eBay: search for “hollow-state design” Electric Radio bookst...4 months ago
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I Finally Bought My Dream Airplane - 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...5 months ago
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2000 47pF Caps ... - 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 ...
5 months ago -
Landscapes - %BLOGLNK% Landscapes The post Landscapes appeared first on 28° North Sailing.6 months ago
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Daylight Again – An all Analog Radio - 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 ...2 years ago
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New post: A “Walkie-Talkie” SSB transceiver for 14MHz or the higher RF bands - To access this article, please click link: A “Walkie-Talkie” SSB transceiver for 14MHz or higher rf bands2 years ago
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Other Electronic Projects • Re: Can I normalize both Mono Amp Outputs? - radm49 wrote: ↑ Mon Apr 25, 2022 3:56 am qmavam wrote: ↑ Thu Apr 21, 2022 8:57 pm Yes, you can use a wall wart for power, you might need to add a capacit...2 years ago
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Digi-chirp! Digital synthesis of ‘nostalgic’ CW - 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...3 years ago
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Modifications to the Dayton/FDIM-2019 Antuino - 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...5 years ago
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Raduino as NBFM TX - 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 ...
7 years ago -
QRP Labs shop! - [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...9 years ago
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“The Rugster” – A Simple 40M DC CW RX Using the NM0S Hi-Per-Mite Filter From 4SQRP - When 4SQRP brought out a version of the David Cripe NM0S-designed Hi-Per-Mite Filter, I noticed that it could be configured to give up to 50dB of gain. Lik...12 years ago
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Hans Summers Homebrew Radio, Electronics and Computing - Radio, Electronics and Computing Projects by Hans Summers I make no claims for technical accuracy, good design, or necessarily even originality for the co...16 years ago
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E. Howard Armstrong on a Czech Stamp
Blog Archive
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2023
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March
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- An Antenna for the High-School Direct Conversion R...
- The Awesome Homebrew of Will KI4POV
- Update on the High-School Direct Conversion Receiv...
- Homebrew AM from Cuba
- More Cuban Homebrew from the 80's and 90's -- A 16...
- Schematics for the Cuban Islander Double Sideband ...
- Winterfest Loot: Who Can ID the Homebrew Receiver?
- The Islander -- A Homebrew DSB Rig from Cuba
- Needed: More Info on the Cuban Islander or Jaguey...
- A Very Cool Video with NanoVNA, FFT, LC circuits, ...
- Listen to Pete Juliano on His Daughter Gina's Podc...
- Fixing the Tuning Problem in the High-School Direc...
- A Great Lecture on Calculus -- With Discussion of ...
- Troubleshooting an Intermittent with Mr. Carlson. ...
- SolderSmoke Podcast #244 PETE IS BACK! TR-7, CK722...
- Pictures from Farhan's Hyderabad High-School Direc...
- Farhan's High-School Direct Conversion Receiver Wo...
- Fourier Analysis Explained (video) -- Understandin...
- My HP8640B Signal Generator Lives Again
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March
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SolderStats
Radio Inventor Stamps
On Page 39 of the Nov-Dec 2024 SARC newsletter "The Communicator"
Steve Strogatz also hosts the: Joy of Why science podcast for Quanta Magazine:
ReplyDeletehttps://listen.quantamagazine.org/the-joy-of-why
He asks the questions that I wish I could dream up.
Best Regards,
Chuck, WB9KZY