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Blogs and Websites and Groups
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The Great Great Grandfather of the ICOM IC-7300 - A Quinquagenarian, this ICOM Radio started the revolution of products under the ICOM Banner leading today to the IC-7300 Mark II. While you might be tempte...
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Noise-Reduction Ideas via Hackaday & Electronics Unmessed - Many thanks to SWLing Post contributor Dennis Dura for sharing this excellent Hackaday feature: Quieting That Radio. If you’ve ever struggled to hear weak ...5 hours ago
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AB9YC: Solo Mast Setup Made Easy with PVC - by Anthony (AB9YC) Like many, I have used an assortment of temporary mast solutions over the years, from extendable painter poles to PVC, and myriad option...6 hours ago
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CopaseticFlow on Rapidity Appears in GPT-5 Research Window - This blog was mentioned by GPT5 in its answer to my somewhat obsure question about special relativity! Here's the question. Yes, I did already know th...2 days ago
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FreeDV Sunday net - 14 stations - The weekly FreeDV net on 40m in South Eastern Australia was excellent this morning despite wet weather here. Mark, VK5QI had planned a balloon launch that ...
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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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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...
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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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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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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 ...
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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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E. Howard Armstrong on a Czech Stamp
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SolderStats
Radio Inventor Stamps
On Page 39 of the Nov-Dec 2024 SARC newsletter "The Communicator"
Ignoring the competition, those MRF101AN are exceptionally good on paper. Only $20 each, actually available in reasonable quantities, can kick out 100W, can survive a 65:1 mismatch, 21dB power gain (1W in 115W out), the tab is the source pin.
ReplyDeleteAdd a cheap SMPS module to get 48V out and you have a whole world of possibilities opening up for not much money.