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Blogs and Websites and Groups
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Morse Code Data and Ham Radio - Ever tune across the HF bands and wonder just how many Morse code operators are on the air at that moment? Thanks to WW5TH’s ingenious setup that reads ...
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Retro 1950's CW Transmitter from the hands of N6QW. - Retro 1950's CW Rig from N6QW Join in on the fun and build this rig. But after being given a license by the ARRL, you might also have to learn ...
5 hours ago -
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Bob’s Radio Corner: Shortwave Multiplex? - Reported by Bob Colegrove Incurable DXers are always looking for new challenges. So it was, I recently did some scanning between 42 and 45 meters (~6600 t...7 hours ago
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A New Way to View RBN Data: K5OHY’s Interactive Mapping Tool - Many thanks to Paul (WA1VEI) who writes: I wanted to share this very cool tool I found that has been developed by Tim (K5OHY). I am always interested in ho...7 hours ago
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FreeDV Sunday net - very poor conditions - There is a G1 Geomagnetic storm at the moment and local contacts were very difficult on 40m. We started the net there and I had contacts with VK2BLQ and VK...18 hours ago
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For Part 15 Enthusiasts – Some Very Worthy SSTRAN AMT3000 and AMT5000 Mods - Back in 2010, I became interested in legal micropower broadcasting under the FCC Part 15 regulations, and assembled an SSTRAN AMT3000 kit transmitter for t...
6 days ago -
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AM Broadcast model choices - If...you only had room for one or two, full size vintage real radio station +/- 1000 watt AM transmitters for 160/80mtrs. ....such as vintage RCA, Westingho...1 week ago
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Video: Understanding 6 Meter Sporadic E Propagation by W3LPL - Frank Donovan, W3LPL gave a presentation recently to the Madison DX Club titled '*Understanding 6 Meter Sporadic E Propagation*'. The talk which is about...
1 week ago -
HRWB 247 - Setting Up A Large Scale Field Day with Keith Elliott W6KME - In this episode we meet Keith Elliott, W6KME, from the Conejo Valley Amateur Radio Club. Keith has been ordanizing the club's Field Day event for the pa...1 week 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...
1 week ago -
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DXing distant SolarEdge PV optimizer modules (or long-distance propagation of PV system QRM) - From 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...
5 weeks 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...1 month 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...
5 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...
5 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...
6 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 ...
8 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...1 year 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...1 year 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...4 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
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December
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- 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!
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- All I want for Christmas is... an HT-37 L25 Choke...
- SolderSmoke Podcast #208
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- 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 ...
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SolderStats
Radio Inventor Stamps
On Page 39 of the Nov-Dec 2024 SARC newsletter "The Communicator"
This short piece from National Geographic is worth the watch as well.
ReplyDeletehttps://www.youtube.com/watch?v=BsShNeDvccc
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