A very nice shot of the James Webb Space Telescope, nearly 1 million miles away, taken from Rome.
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Blogs and Websites and Groups
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Linux Mint, QRP, & C / C++ Compilers - Greetings: On the bench I'm studying PLL techniques using a sample & hold detector + VHF circuitry. Currently, I've got nothing to post RF-wise. Another...
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Re: How to calculate the output impedance matching circuit of a balanced Class E amp - 12 MOSFETs... If you are going to run, say, 45V @ 12A (as an example), you could use something like 3.5uH to 4uH of inductance, and I would use a 1000pF va...13 hours ago
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Perfect Gift or Holiday Read: Tales of a Vagabond DXer by Don Moore - Last week, I had the pleasure of posting the latest installment of Don Moore’s “Photo Album” series on the SWLing Post. Don has contributed numerous Photo ...15 hours ago
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6474km TEP contact on 144 MHz from Argentina to a ship off the coast of Florida - 9th Dec 2024 - Over the last few years, I've reported on many *Trans-Equatorial Propagation* (TEP) contacts from South America to the Caribbean on the *144 MHz* band......
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December 11, 2024. We take things for granted. - We often take things for granted! You know, you snap on your homebrew rig or appliance box, and it comes alive. Or that if you want a fresh salad, there is...
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Partial Restoration of a Vintage Tube Radio – the Westinghouse H-130 - It’s not too often that I post about projects which are incomplete, but this one has reached a stage where, although I’m not sure if I will fully finish it...
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MeSQUAREs alternative - 1/32" board - MeSQUAREs are excellent. I've purchased them from QRPme in the past and used them with great success. I get through them very quickly and find it a bit unf...
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WA2JMG - Episode 524 - Charles “Pete” Corp - WA2JMG Charles “Pete” Corp, WA2JMG, operates simple rigs into wire antennas, using low power. His primary operating mo...3 weeks 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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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 ...
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E. Howard Armstrong on a Czech Stamp
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January
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- Image of James Webb Space Telescope In Position at L2
- "From Crystal Sets to Sideband" -- A Great Book a...
- Mike WU2D on VFOs (with additional Tribal Knowledg...
- Looking at the Galaxy's Spiral Arms with a Dongle,...
- Exorcism Not Quite Complete -- Thinking of Other O...
- Roy Lewallen W7EL Gives Us All EZNEC for FREE! Th...
- Exorcism Completed! Getting Rid of the Spur in my...
- 1BCG -- The 100th Anniversary of the Trans-Atlanti...
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- An Interview with Paul Lutus (Audio)
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SolderStats
Radio Inventor Stamps
On Page 39 of the Nov-Dec 2024 SARC newsletter "The Communicator"
OK as a photographer and space nerd I am impressed! Wow. How cool is that? I was at JPL when the Hubble "contact lens" fix designed and deployed. So excited to see the James Webb taking up its station.
ReplyDeleteAnyone not excited by this project cannot have a drop of geek blood in their body. This is amazing stuff that was only dreamed about a few years ago.
ReplyDelete