Saturday, September 15, 2018
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Blogs and Websites and Groups
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Re: Is the design feasibility of 160M 625W Class D transmitter? - Ok thats great ..... Seems like your organised now and can proceed with the build.... Your PWM will work fine into those loads.... Let us know how things wo...1 hour ago
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5000km+ TEP opening on the 432 MHz band in the Indian Ocean - 23rd Apr 2024 - Back on the 8th of April 2024, I reported on the very first Trans-Equatorial Propagation (TEP) opening on the 144 MHz band from UAE to Reunion Island in...
12 hours ago -
When Plans Change: A Relaxing “Plan B” POTA Activation at Lake James State Park - Lately, it’s been a proper challenge to get out and activate. I’ve had a number of projects that have kept me at home working and when I do head out the do...20 hours ago
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An improvised intake block off adapter for the Husqvarna 372 XP X-TORQ etc - To perform a vacuum and pressure test of the Husqvarna 372 XP X-TORQ chainsaw engine, the intake needs to be blocked off, and the exhaust blocked off. This...1 day ago
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Kyodo News Radiofax: Japanese Disaster FM Stations and a Lack of Personnel - Many thanks to SWLing Post contributor, Carlos Latuff, who writes: Hi Thomas, I received today by radiofax in Porto Alegre the morning edition of Kyodo New...1 day ago
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April 22, 2024. Did you miss this Subtlety? - *Our 12MHz IF Amp plot out to 100MHz * In yesterday's posting I shared a 9MHz IF Amp using the J310's configured as a Dual Gate MOSFET. Soon...
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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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 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 ...
2 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...
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...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...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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2018
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September
(14)
- Back to Mr. Carlson's Lab
- The Triple Scratch-Built BITX Club -- Do you qual...
- Freethink YouTube Channel
- Farhan's Satellite
- Pete's New Sudden Transceiver
- Nightfire Electronics
- WB8VGE on QSO Today -- QRP, HB, Boatanchors, Drift...
- AI and Machine Learning Detect Fast Radio Bursts
- KD4PBJ's PTO "Turtle" Receiver
- N2CQR Wins a Contest AGAIN!
- EF Johnson's 50th Anniversary Speech. Very nice r...
- Ralph AB1OP -- A New Receiver (with Mojo) and A Ne...
- SolderSmoke Podcast #206 -- GQRP CONVENTION SPECIA...
- Lasers. Big Scary Lasers. And a guy with THE KNACK
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▼
September
(14)
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