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Blogs and Websites and Groups
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Re: 75A4 - Talking with Howard, W3HM last year about some issues with my 32V2 revealed some easy repairs. For by-pass caps he uses the polystyrene jobbers that you ca...4 hours ago
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April 26, 2024. Don't Read Today's Posting -- Kind of boring! - Today's post reminds me of a cheesy 1930's black and white movie where this group of adventurer's lands on a remote Pacific Island and finds that the nati...
5 hours ago -
Did you know there’s a new MTR-3B in the works–? - A reader reached out to me this morning asking about the Mountain Topper MTR-3B. It reminded me of a teaser LnR Precision posted earlier this month in an M...7 hours ago
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We’re a garage band, we come from garageland - Hi, FastRadioBurst 23 here letting you know of a couple of our shows this week. On Sunday 28th April 2024 at 0900/1300 hrs UTC on 6160 kHz and then at 2000...14 hours ago
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Power standing wave null… more - Power standing wave null? discussed the “Power Standing Wave” concept unfolding on social media. Already a correspondent has asked if the graphs given in P...19 hours ago
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MFJ Enterprises to close their manufacturing facility in Mississippi - *25th April 2024:* MFJ Enterprises manufacture a wide range of products for the amateur radio market and their most recent catalogue comes to some 90-pag...
20 hours ago -
Trying a $15 70cm transceiver HK-188 - Peter, VK3YE, recently posted a video of a pair of 433Mhz transceivers he bought at Aldi for $20. They worked OK but had a number of obvious annoying probl...
1 day ago -
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HRWB 206 - Operating from Challenging Locations with Dr. Charles Powell NK8O - In this episode we meet our good friend, Dr. Charles Powell, NK8O. Charles is medical doctor specializing in neonatal infant care. In addition to his p...1 week ago
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An Inline RF Step Attenuator for QRPp Work - I don’t need to explain the attraction of low power operation; if you’re reading this, the chances are that you are already a convert. I’ve been operating ...
3 weeks ago -
Using an external clock with the RX-888 (Mk2) - *The RX-888 (Mk2) and external clocking* *Figure 1:* The RX-888 with external clock input *(right)* The enable/disable switch is barely visible behind the...
3 weeks ago -
The 50 Ω audio preamplifier that goes after a diode ring product detector in DC receivers - Part 1 - I posted my longest video to date: I'll post a few images from the video in the days ahead. Making such a big video felt pretty exhausting. Best to yo...
2 months ago -
A 51S-1 Restoration Story - I came across my Collins 51S-1 in a big junkyard in Ankara, Turkey around 2012. It was in a pile with a lot of other electronic scrap, probably from one o...2 months ago
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Building Alfred P. Morgan's "A More Selective Crystal Receiver" - As I’ve been seeing a lot of new membership requests on my Facebook Crystal Radio DX group indicating that they wish to build a crystal receiver, I’ve ...
2 months ago -
January 13, 2024. Just Technical Stuff Today. - https://n6qw.blogspot.com Our New Home!3 months ago
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New QRP Cluster Online From OM0ET and OM6APN - By DX EXPLORER DX EXPLORER Paul OM0ET and Peter OM6APN recently launched a new cluster dedicated to QRP operations. Have a look and I hope you will enjoy...5 months ago
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Digital Modes Transceiver - #include #include #include #include #include #include #define ...7 months ago
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QMX multi-band multi-mode transceiver - {gallery}qmx/0{/gallery} QMX: a feature-packed, high performance, 5-BAND 5W, CW and Digi-modes transceiver kit, including embedded SDR, 24-bit 48 ksps...11 months ago
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3D Printing The Hadley 114mm Newtonian Telescope - Yes, we’re building a 3D Printed Newtonian Telescope called Hadley. It’s being printed in PETG and in the video below, I give a quick tour. My build isn’...11 months ago
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3D printed project boxes - I have been busy with some other things that have kept me away from electronics projects for quite a while. Now I can get back to them, but realize I n...
1 year ago -
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 ...1 year ago
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Adding Enclosure to your sBitx Boards Order - The early buyers of the sBitx board set who bought it for $270 USD might want to also add the enclosure (box) for in the kit. What you will now get is a f...1 year 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 bands1 year 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...2 years ago
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Digi-chirp! Digital synthesis of ‘nostalgic’ CW - The bottom ends of 80, 40 and 20m are not what they used to be. For starters, the busiest part is the digital segment where computers talk to computers – l...2 years ago
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A New Look for your uBitx! - Adding a "Cool Blue" Display to your uBitx! The standard "green background" with black lettering frequently reminds me that I suffer from Chronic seasickn...
6 years ago -
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...15 years ago
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E. Howard Armstrong on a Czech Stamp
Blog Archive
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2021
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July
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- Mythbuster Video #10 -- A Front Panel for an Al Fr...
- Video: Rob Sherwood NC0B on Transceiver (and Espec...
- Video: Introduction to the TinySA Spectrum Analyzer
- 50 Shades of Homebrew? PH2LB's Shack and NanoVNA ...
- QST Recognized Error on Sideband Inversion, But Co...
- QST Repeatedly Got Sideband Inversion Wrong
- Possible Victory for Frank Jones and the FMLA? Co...
- Mr. Carlson's New Lab. And his Amazing Tek Collec...
- The Unicorn! A 75 LSB /20 USB Receiver (That Can'...
- Ganymede and Jupiter as seen by Juno
- Mythbuster Videos 8 and 9 -- The Old Military Radi...
- Michael Newton Hopkins, AB5L, Author of the FMLA s...
- Alan Wolke W2AEW's Great Video on Using NanoVNA to...
- Frank Jones's 1936 Radio Handbook
- Mythbuster Video #7: Bandswitch, Reverse Polarit...
- Mythbuster Video #6 -- On to 20 Meters (But With B...
- Mythbuster Video #5 -- More Listening on 75
- Mythbuster Video #4 -- First Signals, 75 meter Ban...
- Mythbuster Video #3 -- Using the VFO from a Yaesu ...
- Mythbuster Video #2 -- 10 Pole Crystal Filter
- A Video Series on the Mythbuster 75/20 Rig -- Vide...
- The Woz on Homebrewing and The Right to Repair
- A Great Line from the FMLA Articles
- Romanian Mighty Mite and Ciprian's Knack Story
- M0NTV's Latest Breadbox Rig -- The Radio Gods Have...
- Summer Reading for Homebrewers: Frank Jones and ...
- The World's Largest Heathkit Collection (Video)
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