The Silicon Graybeard

In the World of the High Tech Redneck, the Graybeard is the old guy who earned his gray by making all the mistakes, and tries to keep the young 'uns from repeating them. Silicon Graybeard is my term for an old hardware engineer; a circuit designer. The focus of this blog is on doing things, from radio to home machine shops and making all kinds of things, along with comments from a retired radio engineer, that run from tech, science or space news to economics; from firearms to world events.

The Least You Should Know Series

The Least You Should Know - a guide to helping us be more resilient.

About Electricity - DC

About Electricity - AC

About Electronics - 1

About Electronics - 2

About Motors - DC

About Stepper Motors - 1

About Stepper Motors - 2

Receivers and Radios - 1

Receivers and Radios - 2

Receivers and Radios - 3

Soldering and Wiring

The series, and this page, are a work in progress.
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What's spam? Potentially, anything not related to the post, whether blog-whoring, business-whoring, or just off topic.

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My Reading and Reciprocal Blog List

  • 357 Magnum
    Saturday Roundup of Link Roundups - 18 April
  • Adaptive Curmudgeon
    3D Printing: Down The Rabbit Hole With Materials And Settings
  • Ann Barnhardt
  • Bayou Renaissance Man
    Almost beyond parody
  • Bustednuckles
    Straight To Davey Jone’s Locker!
  • Come and Make It
    Philippines sends their best.
  • Daily Timewaster
  • David Codrea's War on Guns
    Dear Infringers,
  • Every Blade of Grass
    Still Here, Still OK, Just Busy
  • Home on the Range
    A Night's Sustenance
  • IMAO
    Straight Line of the Day: Is There Any Other Common Everyday Experience For Which Government Can Pay You?
  • Liberty's Torch
    The Best We Can
  • Market Ticker
    The Market Ticker - Eject EVERY Illegal - NOW
  • N4RFC.COM
    New addition to the shack
  • No Lawyers Only Guns and Money
    “A Letter To The King”
  • Oleg Volk's Blog
    Shooting beams of light.
  • Raconteur Report
    Just A Reminder
  • Sensing Online - Donald Sensing
    When Jesus forced the issue
  • Stilton's Place
    R.I.P. Scott Adams
  • Sultan Knish
    Israel Records Lowest Number of Terrorist Attacks
  • SurvivalBlog.com
    Preparedness Notes for Saturday — April 18, 2026
  • The Feral Irishman
    Joe and José
  • The Smallest Minority
    And Keep Saying “Nice Doggie” Until You Can Grab a Rock.
  • Trevor Loudon's New Zeal Blog
    Pope Leo Joins the Enemy Camp
  • View From The Porch - Tam Has a Way With Words
    Remember...
  • Virtual Mirage
    You are my Sunshine
  • Watts Up With That?
    When Primate Politics Turn Deadly: ‘Civil War’ Shattering Uganda’s Ngogo Chimps
  • Western Rifle Shooters Association
  • Wilder, Wealthy, and Wise
    Change, Propaganda, And Painting Lessons
  • William M. Briggs - Statistician to the Stars!
    Class 86: Calibration & Conformal Prediction: Theory
  • Zero Hedge
Show 10 Show All

Florida Gun Blogs

  • 90 Miles From Tyranny
    Quick Hits Of Wisdom, Knowledge And Snark #3591
  • Area Ocho - Former Confessions of a Street Pharmacist
    Spying
  • Big Country Expat
    Not a Fool Sez I…
  • Borepatch - Piercing Insights
    Friday Night Rumba*
  • The Abode of McThag (was The View From Under The Desk)
    Low Maintenance Rifle

Special Pages

  • My AR-15 From an 80% Lower
  • Converting a Grizzly G0704 to CNC - My Project
  • Radio Sunday
  • The Ham Radio Series
  • Privacy in Radio Communications - Some Thoughts
  • Alternative Communications
  • The Least You Should Know Series
  • The Old Graybeard Looks at EMP - The Series
  • Tales From the Over Regulated State Series
  • A Small Solar Panel Project
  • Imagine There is Man Made Global Warming
  • My Policy Statement - Who I Am, Where I'm Coming From, What I Believe

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NRA Life Member
Guess This Makes Me A Terrorist

Footprint Dis!

Footprint Dis!

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About Me

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SiGraybeard
Florida, United States
Retired radio engineer, follower of Christ, RF designer, mentor. Radio ham, home shop machinist, lapidary, silversmith, roadie cyclist, learning to be a rifleman, and home defender, - a guy with too many interests to keep track of.
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Want to Email Me?

Have something you'd like to talk about but don't want to use the comments? You can email me at:

SiGraybeard at gmail dot com.

Commercial links

On occasion, I link to books on Amazon.com or to other commercial sites. I do this as a way of illustrating what I'm referring to, not as revenue generation. I do not obtain any revenue or financial reward for this blog. I have not received samples of anything, nor gifts of any kind. My aim is to make the insights worth more than you pay for them.

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      • NASA Shuts down a long-running experiment on Voyag...
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      • NASA Administrator Isaacman talks budget issues
      • About the Artemis 2 heat shield questions
      • Three years from now...
      • A remarkable and old Ham radio accomplishment
      • Now that that's over with
      • Hard to think of a better conclusion to Artemis II...
      • We're in the final 24 hours of Artemis 2
      • NASA working on plans for the new Artemis III
      • Catching up a bit
      • An extended afternoon of watching Artemis' big day.
      • It's Resurrection Sunday - Happy Easter
      • Ham radio and Artemis 2
      • A little bit more of that
      • A little bit of this, a little bit of that.
      • Artemis II Step One is a winner - one down lots to...
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Most Popular Posts Viewed in the Last Year

  • Anybody Else Ripped Off By Iain Sinclair Design?
    Back in February, somebody sent me an offer for a new Iain Sinclair design of a credit card knife ( this one , I think).  I was taken by it ...
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    Irma taught me a few lessons that I think might be useful to more people than just me.  Some things worked exceptionally well, others not so...
  • OK - THAT was incredible
    Starship Flight test 10 was simply incredible.  Going into the mission we knew they were testing far more than just getting Ship 37 to a s...
  • CRS-33's Dragon capsule isn't your average Cargo Dragon
    Buried so deeply in the mission details about the Cargo Dragon launched yesterday that I didn't see it anywhere is that this isn...
  • As the flight 10 data starts to pour in ...
    As the data on yesterday's test flight starts to release, I don't see reporting of anything new that could be signs of bad ...
  • Thursday's X-37B space plane will test quantum navigation
    Thursday night's SpaceX launch of the US Space Force's classified space plane, the X-37B, will be carrying an experiment we...
  • Labor Day 2025
    Welcome to Labor day, or as we refer to it this year: August 32nd, the earliest Labor Day there can be. The chances of rain tomorrow ar...
  • A Little Me Me Me
    You may have noticed I had no post Wednesday the 9th.  The peculiar part of this is that the previous Wednesday (the 2nd), I also misse...
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    SpaceX has picked the launch date and time for the next Starship Flight Test , FT-11 is preparing to launch as soon as Monday, Octobe...

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