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Blogs and Websites and Groups
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So be over with the old radios... A comment to me - Apologies for dwelling on the radios that never were. This is 2025 and many hams only want to see the New Stuff. So, I stop here. Yesterday was a balance b...
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Using GPT-5 to Build Smarter Exam Help Systems: First Steps - I’ve been working through how to add a reliable help system for the ham radio practice exams, and I wanted to capture what I’ve learned before it slipp...12 hours ago
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DXing distant SolarEdge PV optimizer modules (or long-distance propagation of PV system QRM) - How far away can you hear the spurious emissions from a known-noisy PV system? *Quite a racket!* *Figure 1:* The spectrum of a SolarEdge PV system from...
13 hours ago -
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Business Trip Bonus: Mark Activates William Umstead State Park (US-2755) - by Mark (KB2PIZ) I was on a business trip to Raleigh, NC, the week of September 2nd and had some time to activate two parks during the week. For this park,...1 day ago
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Texas Radio Shortwave: Schedule for October 2025 - Many thanks to SWLing Post contributor Terry (N5RTC), who shares the following schedules for Texas Radio Shortwave (click image to enlarge):1 day ago
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Tech Talk on ABC Radio - Atlassian is a hugely successful Australian software company that makes tools for software teams. Last week they surprised everyone by announcing the purch...
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Re: Nuts and Volts is back. - Well, it's all been free since the print issues stopped. I haven't been charged since then, and since there haven't been any print issues, they still ow...1 day ago
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HRWB 245 - Projects with Pat Hensley, W5WTH - In this episode our good friend Pat Hensley, W5WTH, joins us to talk about his latest super creative electronics projects and his design process. Pat co...2 days ago
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Ireland's first cubesat EIRSAT-1 comes to end of life... - Back on the 1st of December 2023, Ireland's first satellite called *EIRSAT-1* was launched on a SpaceX Falcon-9 rocket from Vandenberg Space Force Base i...
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The Communicator September - October 2025 - *Back With a Fall Issue* This publication, "The Communicator" from Surrey Amateur Radio Communications (SARC), serves as a bi-monthly electronic periodical...
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W1WEF - Episode 530 - Jack Schuster - W1WEF In this episode of QSO Today, we sit down with Jack Schuster, W1WEF, whose amateur radio journey spans more than 73 yea...1 week 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...
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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...
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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...
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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 ...
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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...11 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...11 months ago
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Landscapes - %BLOGLNK% Landscapes The post Landscapes appeared first on 28° North Sailing.1 year 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 ...3 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...6 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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A 2 Transistor Transmitter Powered From a 9V Battery - A couple of days ago I built a simple 2 transistor transmitter on a small piece of PCB material. I used the style of construction that seems to be becoming...14 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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2021
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February
(25)
- Putting the Quarantine Hodgepodge Rig on CW (Video)
- Jean Shepherd Goes to a Hamfest -- And Much More
- Update from the Wizard of Wimbledon -- "Always lis...
- EI7CLB's Ladybird Receiver (George Dobbs Design), ...
- Quarantine Hodgepodge Rig -- Part 1 (Video)
- Awesome Video of Perseverance's Landing on Mars
- LA6NCA's German Military WWII Receivers, and a Luf...
- Bootleggers! Radio Criminality -- Some Jean Shep...
- Perseverance gets to Mars with Parachute and Sky C...
- A Step Closer to the Elser-Mathes Cup? Ham Receiv...
- A Problem with the San Jian PLJ6-LED Counter
- James West, Inventor of the Electret Mic, has THE ...
- Phasors and the Propeller Analogy from Walla Walla...
- Put this Chart on the Wall Above Your Workbench
- My Current Rig: The Quarantine Hodgepodge
- Jean Shepherd Works Through a Satellite in a School
- Use Only Telefunken Tubes -- They Are the BEST!
- A Lifetime of Workshops
- Microphone Men -- A Really Nice Video
- Meet Your New Soviet Neighbor -- With Hallicrafters
- A Quantum Mechanics-based Receiver. The Rydberg D...
- A Really Nice Video about a Regen Receiver
- Some Thoughts on Singly Balanced Mixers with Two D...
- Shuji Nakamura -- The Inventor of Juliano Blue LEDs
- The VFO that I am looking for: The Globe VFO deluxe
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▼
February
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SolderStats
Radio Inventor Stamps
On Page 39 of the Nov-Dec 2024 SARC newsletter "The Communicator"
Translation not required, but would be enjoyed - even a 'Milligoon' one! :)
ReplyDeleteIch bevorzuge allgemeine elektrische Rohre gegenüber allen anderen. sie funktionieren am besten in meinen Hallicrafters Radios.
ReplyDeleteGoogle translate: I prefer general electrical tubing over all others. they work best on my Hallicrafters radios.
ReplyDelete