Posts by cortland 1167 publicly visible posts • joined 29 Mar 2012
Looking at the 5G bandwidth and the aircraft navigation, it's very likely manufacturers haven't made later receivers better over the years. Look at the very wide filtering at:
https://www.5gtechnologyworld.com/wp-content/uploads/2021/12/5G_Spurious_emissions_1459x550.jpg
Article: https://www.eeworldonline.com/5g-altimeter-interference-aviation-versus-telecoms/:
I served 21 years in the US Army, retiring in 1983, and my last assignment, at a Signals Brigade HQ, had a computer that was housed in an "18-wheeler", generators not included. My first civilian employer was Wang Laboratories, whose 10 and 20 MB Top Secret rated drives were almost the size of a VW "bug", and felt as heavy pushing them up a ramp into the test chamber.
Fast forward a little and some distance: At "Smiths Aerospace" in Michigan [later GE aviation] I was testing the very first improvement to some electronics fielded with the US Army's M-1 tanks. Nobody made the a good many active components.
CK-722's, perhaps?
Putting my own oar in turbid waters...
I got my last "pink slip" last month, if that applies to on-call contract employees, but considering my age and the pandemic, I could expect it at age 76.
HOWEVER...
My "career" in EMC Engineering began in 1983, when I retired from the US Army at age 39, though lacking both a degree or any college coursework, and my last full-time employment was in 2011, after five years at GE Aviation /nee Smiths Aerospace in Michigan, USA. I was 62 when Smiths recruited me, and had only learned at 67, that I'd a lifelong autism condition.
Age isn't the tripwire, but salary, with finance departments tripping the guillotine; I'd seen it before. And the first thing to go when talent is fired is likely to be quality.
That's so -- but the loss due to less experienced replacements could easily have been more than the savings in wages and benefits.
Some of the things I saw during an second, post-military career that started in 1983 and retired from in 2011 lead me to believe that penny-pinching firms that don't take advantage of that much experience will eventually end up paying for a lower level of expertise.
About 12 years ago, working on an aircraft electronics system, I noticed one of the test labs certifying compliance with mandatory aviation standards (look up ED-14*) had computerized test stations, and had put a janitor to running one. That's probably a rare occurrence, but I've seen engineers with degrees making mistakes just as bad. *https://en.wikipedia.org/wiki/DO-160
For want of a nail...
... locked in a room with books only by David Crystal -- I'm reading a hardly used copy of his 2004 "The Stories of English" and now I'll have to look into the pages where he mentions or discusses the evolution of Scottish English. The appendix has some 20+ entries for that general subject. Those who have a copy, or a Kindle (tm) download, might find some relief on pages 488-490.
Many of my fellow Americans -- US type -- hardly know enough to recognize quotations from Shakespeare, and at 76, my own memory is nothing to be proud of; could it be that the Wikipedia source knew less?
From the How To Geek site:
>>Android: While we’d hope you’d never need it, clever researchers have figured out how to turn the camera on your Android phone into a makeshift Geiger Counter with nothing more than an app and some black tape.
It’s not as versatile as a true Geiger Counter (it doesn’t measure as broad a spectrum) but for a free application that could be quickly deployed during an emergency to the hundreds of millions of smartphones floating around, it’s pretty awesome. From the app author’s web site: <<
https://www.howtogeek.com/103184/your-android-phone-can-do-double-duty-as-a-geiger-counter/
Personal experience.
Taking a physics course during the Summer holiday I was making some money washing the chem-lab glass containers etc. and asked the Acting Dean of Students if it was safe to dispose of the the leftovers down the drain. He said yes, it was safe.
It wasn't':phosphorus trichloride decomposes on contact with water into phosphorus, and HCL.
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