Monday, July 24, 2017
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Blogs and Websites and Groups
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Using Generative AI to Count Archive Files - I've wanted an excuse to try parallel processing with Python for a few months and yesterday, the FBI provided one. They released a collection of record...7 hours ago
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Short on Time, Yet Loads of Fun: Gusty QRP POTA at Cap Tourmente! - On Sunday, June 22, we spent the day in Québec City enjoying a local farmer’s market, visiting a café, catching up with friends, and taking a long walk in ...8 hours ago
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August 2025 Schedule Updates: From the Isle of Music & Uncle Bill’s Melting Pot - Many thanks to SWLing Post contributor, Bill Tilford, who shares the following update: From the Isle of Music, August 2025 July’s program will be the third...10 hours ago
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Re: A Pin Drop - Hello Everyone! It's great to see youse guys posting and talking about rigs, life, etc. Yes, things have certainly slowed down on the air and on AMFone. ...18 hours ago
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Taking a Break! - I have been consumed by Project X and I need to take a break. The stark realization is that this rig even when 100% was likely chewing gum and bailing wire...
1 day ago -
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Script to migrate a Google Blogger takeout feed.atom over to Wordpress with posts, images and comments - Bill on the Soldersmoke blog posted recently with some concern that one day Google might lose interest in their free blogging platform Blogger. I share his...
5 days ago -
10m QRSS Challenge: - GB3PKT in England - 16th July 2025 - At the start of 2024, I started a personal challenge to see how many *QRSS* signals I could see on the *28 MHz* band during the year. By the end of the y...
6 days ago -
HRWB 241 - Field Day 2025 Debrief - In this episode the whole team gets together and talks about our Field Day 2025 experience. Everyone's Field Day was a bit different. From casual mobil...1 week ago
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WA2TBQ - Episode 527 - Ron Demcko - WA2TBQ Ron Demcko, WA2TBQ, found his way into electronics—and later amateur radio—thanks to the early influence of his older bro...1 week ago
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The Communicator July - August 2025 - *A Big One to Last the Summer* We're coming up to our club's 50th Anniversary and this is another big issue, with a look back at our history, great article...
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A Real ZN414! - Recently, I built a simple little TRF receiver for the AM broadcast band using a TA7642, a modern equivalent for a chip that was quite popular with electro...
3 weeks ago -
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A 15 (and 10) meter high-pass filter for Field Day - *QRM from a transmitter to receivers on lower bands* *[Go to the end of this article for an "After-Field-Day follow-up" about this filter]* A friend o...
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The "George Batterson 1935 CW QSO Party" - Summary - The first *George Batterson CW QSO Party* has concluded and the results are in! The "*GB*" was introduced to honor George Batterson (W2GB), who along wi...
2 months ago -
KK4DAS MB 20 Transceiver Complete - The MB 20 transceiver is now complete. The rig is a homebrew 10-watt 20-meter SSB transceiver. The VFO module was an ebay purchase of a salvaged Yeasu...
2 months ago -
A Curious 9 MHz Crystal from Mouser Electronics - Just a quick post to share info about a good 9 MHz crystal sold by Mouser Electronics. I last purchased batches of crystals for xtal IF filters back in 2...
4 months 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 ...
6 months ago -
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...9 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...9 months ago
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Landscapes - %BLOGLNK% Landscapes The post Landscapes appeared first on 28° North Sailing.10 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 bands3 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...3 years ago
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A battery powered 50W 160m AM transceiver for your backpack - This project is a compact 160m AM transceiver capable of up to 50 watts of fuly modulated carrier, designed for portable use. The transmitter portion uses...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...10 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
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- And Now For Something Completely Different: 70cm FM
- Have You Ever Seen What's Inside a D-104 Crystal E...
- Stop Me Before I Commit an Electronic Atrocity!
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- Another LM373 Rig - Pete Is Not Alone!
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SolderStats
Radio Inventor Stamps
On Page 39 of the Nov-Dec 2024 SARC newsletter "The Communicator"
Absorption refrigerators are still used in motorhomes.
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