Showing posts with label space program. Show all posts
Showing posts with label space program. Show all posts
Wednesday, September 18, 2024

Vulnerable MOSFETS in NASA's Europa Clipper

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  Oh man, this is terrible.  Just months before launch of the Europa Clipper mission to Jupiter's satellite, they discovered that some o...
8 comments:
Thursday, September 5, 2024

Who can tell us more about Lovelock's homebrew shortwave radio?

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" Three years earlier, Lovelock had listened on his homemade shortwave radio in Finchley to the 'beep, beep, beep' transmission...
Sunday, September 1, 2024

CuriousMarc Visits Cape Canaveral -- Lots of Space History (and some ham gear)

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I like all the CuriousMarc videos, but I especially liked this one. Marc and company visited some of the very early launch sites and bunkers...
Friday, August 23, 2024

Arthur C. Clarke Talks about Satellites, SETI, Remote Work, and Wrist Radios (1976 Video)

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He was, of course, right about the impact of satellites, but he was the inventor of the geo-stationary concept.  I wonder how he would react...
Monday, May 27, 2024

Ham Radio in China -- Interesting info from 高大伟 David Cowhig

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Chinese Radio Licenses and Operating Certificates David Cowhig (aka WA1LBP,  aka Gao Da Wei) was Hambassdor for 73 Magazine on Okinawa when ...
Wednesday, May 15, 2024

CuriousMarc Looks at Phase-Locked Loops (PLL)

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I really like Marc's (AL6JV) videos. It is great fun and very educational to watch him and his team troubleshoot some of the old gear th...
4 comments:
Friday, April 19, 2024

Deep Space Station 43 -- Canberra, Australia

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  https://spectrum.ieee.org/apollo-era-antenna-voyager-2 From the IEEE article:   The dish’s manufacturer took great pains to ensure that it...
Thursday, December 21, 2023

Sci-Fi Series with an Apollo-era Vibe

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Kind of fun.  The Apollo-era and Saturn V stuff bring back memories of 1969 and all that. It is a series that you can watch on Apple TV.  He...
3 comments:
Thursday, November 30, 2023

Other Workshops: Mission to Jupiter's Icy Moons: The Making of JUICE: The Full Movie

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I really like this film.  The enthusiasm of the people involved comes through very clearly.  They love this project.  At the end, you can se...
Monday, November 27, 2023

Video on Discovery and Restoration of the Apollo Guidance Computer

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I've probably posted before about CuriousMarc's efforts to restore the DSKY Apollo Guidance Computer.  But this Wall Street Journal ...
5 comments:
Sunday, October 29, 2023

Apollo Core Rope Memory -- CuriousMarc Takes it on (video)

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Here is another amazing Apollo video from CuriousMarc (AJ6JV).  Thanks to Bob KD4EBM for alerting me to this.  We have recently been discuss...
Wednesday, October 11, 2023

Sunburst and Luminary: Apollo "Rope" Memory, and other items of interest

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  Wow.  That is the method that they stored computer memory for the moon missions.  When they were satisfied with a program they would say i...
Wednesday, October 4, 2023

Sunburst and Luminary -- A Poem about Transistors and ICs

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  Sunburst and Luminary by Don Eyles has a lot of the kind of color that helps the reader understand what was going on technologically duri...
1 comment:
Monday, October 2, 2023

"Sunburst and Luminary" author Don Eyles was a Ham, a Hacker, and a user of Plywood who Understood Juju

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-- As a kid, Eyles took a summertime shop class with W4LRO.  Eyles himself went on to get his ham license -- he was K4ZHF and was active for...
2 comments:
Saturday, September 23, 2023

Sunburst and Luminary -- An Apollo Memoir by Don Eyles (video)

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Buy the book from the Amazon link on the right side of the page >>>>>>>>>>>>>>>>>>>...
1 comment:
Saturday, August 19, 2023

More Ancient Technology Keeping Space Missions Alive

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  https://www.bbc.com/future/article/20230815-the-ancient-tech-keeping-space-missions-alive Three cheers for software.  Really. 
Tuesday, August 1, 2023

Voyager, Canopus, JPL, and 74xx Logic Chips from the early 1970s

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"So somewhere out there in interstellar space beyond the boundary of the Solar System is a card frame full of 74 logic that’s been quie...
9 comments:
Tuesday, June 27, 2023

Australia and Apollo 11 -- Honeysuckle Creek

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Trevor reminded me that Parkes ("The Dish") was not the only Australian antenna at work during Apollo 11.  This very nice video gi...
1 comment:
Saturday, May 13, 2023

Jam on Radar Antenna of Jupiter-bound Spacecraft FIXED! Antenna deployed!

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Great news. This stuck antenna was getting me down.  Three cheers for the ESA folks who fixed it from afar.   https://phys.org/news/2023-05-...
1 comment:
Saturday, April 8, 2023

Europa -- "Attempt No Landing There."

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As we get ready to send two probes to the Galilean moons of Jupiter, this sci fi movie made its way into my feed.   It is pretty good, and t...