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Blogs and Websites and Groups
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Re: MFJ Shutting Down! - Mike Dishop, N8WFF, wrote a fairly good dissertation about the current state of making amateur radio products in the US. For those who don't know, N8WFF pu...3 hours ago
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Video: Building Bethany – VOA’s First High-Power International Broadcast Station - Many thanks to the National VOA Museum of Broadcasting for posting the following video on their YouTube channel: Click here to view on YouTube.5 hours ago
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Christian enjoys memorable QRP DX despite poor band conditions! - Many thanks to Christian (IX1CKN) who shares the following field report: QRP Fun Despite the Conditions! by Christian (IX1CKN) The weekend passed without r...6 hours ago
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Wireless sound mixing - I don't go out to see bands very much but recently we attended a dinner and show by The Martini Set. It was an enjoyable evening but what caught my eye was...
18 hours ago -
April 27, 2024. Tubes or Transistors? - A recent acquaintance and newfound friend suggested I cover the tube versus transistor dilemma. Some Blog readers may even be saying why are you wasting my...
1 day ago -
Power standing wave null… solution - Power standing wave null… more left readers with “homework” to create the Pfwd and Prev traces. Remember that Pfwd and Prev are interpretations in the cont...1 day 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...
2 days 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 ...8 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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2024
(69)
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April
(17)
- A Soviet Tube in Cuba: The "Little Spider"
- Cloud Chamber Finale
- Re-building the Islander DSB/CW Tube Rig in Cuba
- Big Success with Cloud Chamber
- EXCELLENT Video Series on RF Amplifier Design
- The War of the Worlds -- In CW -- By Chuck Adams ...
- Deep Space Station 43 -- Canberra, Australia
- The Rad Receiver from N6GWB
- A QRP Quiz Question
- Homebrew-to-Homebrew Contact on 17 meters with DL2...
- Woebot -- An AI-Based Therapy Bot for Us?
- The Doug DeMaw Article that got me into Homebrew D...
- Another CW Contact with the SupeRX/TX 40 (Video)
- The Road to Perdition -- High Voltage Thermatron P...
- MXM SupeRX/TX 40 Rig Info
- Ian Keyser G3ROO and Spy Radios
- SolderSmoke Podcast #251 Aurora! CBLA, Winterfest...
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April
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