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Wednesday, February 26, 2020
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Blogs and Websites and Groups
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April 16, 2024. So you didn't get a refund? - Well, lots of folks didn't. But here is something to take your mind off of having to write the IRS a big check. A first look of a potential amplifier circu...
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DL7APV - Silent Key - It was sad to hear about the passing of Bernd, *DL7APV* who was a well known figure on the VHF & UHF bands. As can be seen from the image above, he built...
1 hour ago -
Re: 7287 and 7295 khz AM - Quote from: W1GFH on *Yesterday* at 04:42:38 PM Quote from: pe1mph on *Yesterday* at 02:18:06 AM *UPDATE 40 meters* This morning, 15 april 2024, I heard agai...3 hours 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...5 hours ago
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PSSST kit build - Pete's Super Simple Sideband Transceiver - I've been a fan of Pete, N6QW, since hearing him on the excellent Soldersmoke podcast and blog. Pete has built many home brew transceivers over the years....
1 day ago -
IX1CKN: POTA in the hills of Tuscany - Many thanks to Christian (IX1CKN) who shares the following field report: POTA in the hills of Tuscany by Christian (IX1CKN) The beauty of the POTA program ...1 day ago
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Review of MAX brand DeWalt compatible 18V 7Ah lithium-ion tool battery - I purchased on of these batteries on eBay for a mid price, expensive enough compared to genuine to expect it would have near to rated capacity. Above is a ...1 day ago
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New Podcast from the Wireless Innovation Forum - Many thanks to SWLing Post contributor, Dennis Dura, who shares the following news item from EIN Presswire: Wireless Innovation Forum Launches “Beyond the ...2 days 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 ...
1 week ago -
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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...
2 weeks ago -
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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...
1 month 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...1 month 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...10 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...1 year 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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▼
2020
(235)
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▼
February
(17)
- How to Measure Output Impedance (video)
- From a Student of C.F. Rockey, W9SCH
- For those rare occasions when things go well....
- SolderSmoke Podcast #218: S-38E Woes; CW filter fo...
- TRGHS: Hearing K5HCT Through a Single 12AU7 Tube w...
- VK3HN's AM Pulse Width Modulated Homebrew Transmitter
- PH2LB's Homebrew Hi-Per-Mite CW Filter in his uBITX
- Tribal Knowledge: More on Tapping Metal
- Hi-Per-Mite Active Audio CW Filter Installed in uB...
- K6RRE's One Tube Rig Project
- The Elektor SDR Kit: Arduinos, Si5351s, Sound Car...
- The Si4730 Radio Chip (Luddite Alert!) (video)
- TRGHS: Hallicrafters S-38E will NOT be Discarded (...
- Volcano Light in Chile
- W6IQY's Homebrew SSB Transceiver from the mid-1960s
- AM Rally Report -- Great Contacts on 40 AM
- SolderSmoke Podcast #217 -- Beach trip, '30s stati...
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▼
February
(17)
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