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Blogs and Websites and Groups
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More Vacation Stuff. - With apologies to those blog readers who always expect tribal knowledge from the Oracle at Newbury Park, there is none today! Quite frankly I am still recup...
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Tackling the Magruder Corridor in North-Central Idaho - by Ken (WR7D) I’m a member of the All-Idaho Contest Club (AI7ID) in Southwest Idaho. Occasionally, we plan other ham-related activities. In June, we starte...11 hours ago
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Carlos’ Illustrated Radio Listening Report and Recording of NHK (July 30, 2025 – Tsunami Coverage) - Many thanks to SWLing Post contributor and noted political cartoonist, Carlos Latuff, who shares the following illustrated radio listening report of a rece...12 hours ago
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Tech talk on ABC Radio - Could the iPhone end up looking a lot different from what it does now? By September, it could feature a larger screen, upgraded selfie camera, and possibly...
1 day ago -
HRWB 242 - Zero Retries Newsletter & Radio Conference - In this episode we meet Steve and Tina Stroh. Steve is the editor of the Zero Retries newsletter where he writes about all things digital communications...2 days ago
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Reducing RF susceptibility for the HamGadgets "Ultra Pico Keyer" - and mimizing RF issues on portable HF stations in general - *Note: * While this article describes a modification of the Pico Keyer to reduce RF susceptibility, it also talks about methods to minimize/reduce RFI-...
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PolyPhaser Autopsy. - At a recent hamfest, I picked up a pile of PolyPhasers really cheap; some of them brand-new. I got curious when I noted that they all had a frequency ra...4 days ago
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Agent Sonya, SolderSmoke, and Battery Operated High Voltage DC Sources - I knew I saw a video with 9 volt batteries used for arc welding! During the ongoing discussion about Agent Sonya, using 9 volt batteries as a vacuum ...1 week ago
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10m QRSS Challenge: - ON4CDJ in Belgium - 20th July 2025 - Since the start of 2024, I've been trying to see how many *QRSS* signals I could capture on the *28 MHz* band. The QRSS signals are just below the WSPR f...
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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...2 weeks 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...
4 weeks ago -
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...
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...
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.11 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...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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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
(25)
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