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Blogs and Websites and Groups
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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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Dan Shares Recordings of the Golden Days of European Shortwave Listening - Many thanks to SWLing Post contributor Dan Greenall, who shares the following guest post: Europe on shortwave in the 1970’s by Dan Greenall During the gold...13 hours ago
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Exploring NOAA’s Hidden Gems: New to Me Ionosphere & Aurora Forecast Tools for Ham Radio - *While analyzing the skip path of a a 5-watt QSO I made last week from the San Francisco to Argentina with Project TouCans, I stumbled across a set of ...13 hours ago
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Building a 450VDC Power Supply. - How to design a 450VDC at 0.1-amp Plate Supply for the 12GE5? Copilot jumps in and gives an opinion. Today Full wave Bridge power supply: 520 VAC, Choke ...
14 hours ago -
NI4K: Activating Mt. Rosa and Refining the Elecraft KX1 Field Kit - by Zach Hartzell (NI4K) A year ago, my father (W3HN) and I completed his first Summits on the Air (SOTA) activation in the North Georgia mountains. He subm...2 days ago
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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...2 days ago
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Tech Talk on ABC Radio - Google has shown their new Pixel 10 phones ahead of Apple's expected launch of their next iPhones in two weeks. What are the big new features? Also, the bu...
5 days ago -
HRWB 244 - A Conversation With Eric 4Z1UG, host of the QSO Today Podcast - In this episode we talk with Eric Guth, 4Z1UG, the host of the popular QSO Today Podcast. Eric has produced over 500 interviews with interesting and inf...5 days ago
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Exploring the Ameco PCL-P Nuvistor cascode preamp/preselector - *"And now, for something completely different!"* This past January - at Quartzfest - there was a table covered with "junque" and taped to it was sign wi...
1 week ago -
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Return of F2 layer propagation to the 28 MHz band - Aug 2025 - For the last few weeks, I have been hearing nothing but European signals on the *28 MHz* (10m) band. This is pretty normal as we're in the Summer Sporadi...
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...
3 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...
3 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...
5 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 ...
7 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...10 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...10 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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2018
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December
(18)
- HT-37 Choke Failure -- Why did this happen? What ...
- KC1FSZ's Peppermint III Homebrew BITX with Mods
- HT-37 FIXED -- Thanks for all the support
- W7RLF Homebrews a Receiver -- FB!
- Ghost Ship: Oscar 11 Tumbles Through Space
- 50th Anniversary of Apollo 8 (Great video!)
- Indian Scientists Upbeat on Solar Cycle 25
- All I want for Christmas is... an HT-37 L25 Choke...
- SolderSmoke Podcast #208
- Free Book! RHdb -- The Radio Hobbyist's Designboo...
- Another AMAZING Homebrew Vacuum Tube (Valve)
- Built-in Spectrum Analyzer in Hans Summers' QSX Rig.
- First Audio From Mars
- A Beautiful Launch! Watch the Video
- DON'T BUILD IT! Sage Advice from Pete N6QW: Why ...
- Launch Delay -- they will try again tomorrow
- Launch Day! Godspeed Exseed! 1:31 pm Eastern ti...
- Cubesat Launch Now Scheduled for Sunday Morning (C...
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December
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SolderStats
Radio Inventor Stamps
On Page 39 of the Nov-Dec 2024 SARC newsletter "The Communicator"
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