I occasionally think of what possible things might have been sent over this microwave radio. When I was in Germany in the army we had microwave telecomm links on the tops of hills to connect our hawk missile sites to our headquarters. We had the voice channels connected to our switchboard and if you were
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The used a cassette recorder to store the photo and play it back. https://spectrum.ieee.org/first-digital-camera-history?fbclid=IwdGRzaAPVVKFjbGNrA9VS7mV4dG4DYWVtAjExAHNydGMGYXBwX2lkDDM1MDY4NTUzMTcyOAABHmbAC3KQ45zuuvHG-fgR6vTCncLee1hqvshLQ0ImklaCVZqVRjvVEz2FdmeY_aem_eXezm2tGP2Rnsz_HIO7IEQ
Steve Allen hosts the ?Tonight Show? a long, long time ago, back in the black and white days of TV. I’m guessing the early 1960s. https://www.facebook.com/reel/758211690309657/?mibextid=9drbnH&s=yWDuG2&fs=e
This is hard to believe. It’s a lot of work to do on a cheap AM radio. But it gives me a lot of ideas. I wonder how many hours it took to do this, we see it happening in nust a few minutes. https://www.facebook.com/restorationpretty/videos/591611740013679/?mibextid=9drbnH&s=yWDuG2&fs=e
Researchers capture first ever images of electric charges across summit conductor materials within a solar cell. Times in picoseconds. https://pv-magazine-usa.com/2024/10/11/researchers-capture-first-ever-images-of-electric-charges-across-semiconductor-materials-within-a-solar-cell/t
Long article https://sites.google.com/site/transistorhistory/Home/us-semiconductor-manufacturers/raytheon-part-one-2 A comprehensive history of the Raytheon corporation. Also information about other companies.
This is a long article but a very interesting project. It uses HSMS-2850 Schottky detector diodes in a discriminator. He uses WE 1200 ohm sound powered headphones. He’s Canadian. https://electronbunker.ca/eb/FMCrystalSet.html
The NE555 and some interesting information about it. A YouTube short by @Evilmonkeyzdesignz.
In the “Original Series” chapter this very interesting Wikipedia article talks about the “hearing aid computer” that used the OC-71 germanium transistors which were used in hearing aids and could go only up to 25kHz clock rate. That was quite slow – tube computers could clock at 500kHz. Later models used faster transistors and could
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I finally found a bit of history about Gary Lorenz. He and I were high school friends. In 1972 he and John Darjany founded a company, Amsec, to make a “campus card system” for California Polytechnic University, Pomona. In 1974, Amsec was purchased by R.D. Products. A brief history of the campus card industry This
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