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Blogs and Websites and Groups
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Intel iMac Late 2014 Ubuntu notes - We had an old but beautiful Intel iMac from 2014. It could not be upgraded beyond macOS Big Sur 11.7.10. I used the OpenCore Legacy Patcher and managed to ...
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Free AI-Tutor-Enabled Extra Class Practice Exams Now Live on Project TouCans! - [image: Cartoon OctoToucan mascot with bright blue feathers, orange beak, and pink octopus tentacles wearing mechanical goggles beside bold text reading...
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Finding My POTA Bug Fist: A Field Test of the WB9CYY Bug Emulator at Clemmons ESF! - On Wednesday, October 15, 2025, I was in Raleigh, North Carolina, spending the rest of the week with my wife and daughters during my daughter’s fall break ...18 hours ago
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The 2N3904, A Magical Device. - Today's Blog posting is a result of an email I received commenting on yesterday's post on introspection. I am at this point uncertain whether the input wa...
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Algeria on Shortwave – Then and Now - Many thanks to SWLing Post contributor Dan Greenall, for sharing the following guest post: Algeria on Shortwave – Then and Now by Dan Greenall In the early...19 hours ago
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VE2DX Electronics closing down - Nov 2025 - Richard, VE2DX operates a small company in Canada which designs and sell products for the amateur radio market. These include a variety of interfaces for...
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Re: Penicillin - Quote from: WA4WAX on October 20, 2025, 10:46:02 PM Walt often spoke of G H Brown. brown was a big influence for him Yes, George H Brown, and Harry F. Olso...3 days ago
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HRWB 248 - Polar Modulation with Tony K1KP - In this episode we meet Tony, K1KP, the developer of polar modulation that is being used in the new Flex Radio Aurora radio. Polar modulation is a techn...3 days ago
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It's our 50th Anniversary! - Commemorative VHF Net check-in Tuesday 7 October at 8 pm (PST) SARC will be hosting its usual net at 8 pm (Pacific time) on Tuesday, October 7 on frequency...
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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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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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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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E. Howard Armstrong on a Czech Stamp
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Radio Inventor Stamps
On Page 39 of the Nov-Dec 2024 SARC newsletter "The Communicator"
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