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Blogs and Websites and Groups
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The Mysteries Abound ~ Project X - *A Partial Schematic * *All the time you thought I was talking about Ham Fests, Slide Rules and Parts, you likely didn't suspect I was really working o...
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A Vintage Radio Sparks Family Connection - Many thanks to SWLing Post contributor David Iurescia for sharing this touching story from KQED: “How a 1957 Vintage Radio Rekindled a Daughter’s Bond With...21 hours ago
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Re: SUSSEX HAMFEST SUNDAY - Duplex Outlet & Quad Box BONANZA!! - Wow Bear that's a megalomaniac's dream right there!1 day ago
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New 144 MHz beacon in Maine is beaming towards Europe - July 2025 - Dick, K1HC has been in touch to say that his new *144 MHz beacon* in the state of Maine in the USA is now operational. It has been transmitting since the...
1 day ago -
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New Kneeboard and AX3 Mount: Park Bench Portable POTA at Domaine de Maizerets in Québec City - On June 17, 2025—two days after we arrived at our condo in St-Ferréol-les-Neiges—we drove to Québec City to pick up a few provisions. My wife loves explori...1 day ago
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Today I (am) Learn(ing) : Project Fugu and Web Capabilities - Everything old is new again. OK, I just said that to sound fancy. Actually though, the Project TouCans CW histogram, (you know for measuring the consis...3 days ago
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Proposed Australian FreeDV RADE1 net - I've had two good contacts VK3-VK5 using FreeDV RADE1 today. Quite a lot of stations on air.It would be good to have a regular net for Australian stations ...
6 days ago -
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HRWB 240 - Test Leads with Carlos from Parts Candy - In this episode we meet Carlos from Parts Candy. Carlos is an experienced electronics technician and he shares his life-long love of electronics and his...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...
1 week ago -
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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...
1 week ago -
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W2ARP - Episode 526 - Bob Pantazes - W2ARP In this episode of QSO Today, Eric Guth 4Z1UG returns from a health break to interview Bob Pantages, W2ARP, whose journe...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 of ...
4 weeks ago -
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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...
3 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 ...
5 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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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...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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- How LCD Displays Work (Video)
- An Old but Cool DiFX: The Epiphyte
- Video (Audio) of N2CQR (me) on 40 Meters with BITX...
- DiFX! My New NE602 Rig is On the Air
- VFO Tribal Design Wisdom from Joseph Carr K4IPV (SK)
- HB2HB! BITX40-BITX40 with KC1FSZ
- Pete Juliano's Expulsion from the QRP Hall of Fame
- Micro-Shocks (and QRP Power?) from Nearby High Vol...
- Another Thermatron Receiver (video)
- The Soul of the Old Machine
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- Very Useful Toroid Info Web Site
- Video of a REAL Homebrew QRP Contact (by WU2D)
- Discrete Dead-Bug O'scope Pong
- Another Excellent QRP Video from WU2D -- Retro Sol...
- Hot Water BITX 40
- Hearing the Roosters from Boa Vista, Brazil
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SolderStats
Radio Inventor Stamps
On Page 39 of the Nov-Dec 2024 SARC newsletter "The Communicator"
The "toroids.info" site does belong to Diz.
ReplyDeleteA lot of work has gone into this information. Well worth the 5 irons award.
ReplyDelete