Tuesday, March 31, 2020

Quarantine Rig: VK3YE Resurrects an Old BITX Project

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I think we should start calling these "Quarantine Rigs."  Many of us are pulling off the shelves rigs that we started a while ba...
2 comments:
Sunday, March 29, 2020

Paul VK3HN's Portable Rig

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Nice work Paul. 
1 comment:
Friday, March 27, 2020

Excellent Video on Maxwell's Equations

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Really well-done.  He gets to the essence without getting bogged down in the math. Great graphics too. 

How They Make Chips That No One Can Understand

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The December 21, 2019 edition of The Economist had an article about the Taiwan Semiconductor Manufacturing Company's plant known as...
4 comments:
Thursday, March 26, 2020

Radio History Question: Why 455 kHz as the IF frequency?

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My work on the S-38Es, on the HRO-dial receiver, on the Mate for the Mighty Midget,  and on various mechanical filters has caused me to t...
7 comments:
Wednesday, March 25, 2020

Mr. Carlson Restores an All-American Five -- Tribal Knowledge! SITS! Flattening the Curve! (video)

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It is always a pleasure to see a new video on Mr. Carlson's awesome YouTube channel, especially in these days of Staying-In-The-Shack...
5 comments:

For Inspiration and Education: Dean's Radio Blog (with video)

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Be sure to check out the blog of Dean KK4DAS.   He is a new homebrewer who is having great success with one of Pete Juliano's ingenio...

Technical Manual 11-455 -- Radio Fundamentals -- July 17, 1941

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This is an illuminating little book.  It was published by the U.S. War Department on July 17, 1941, less than five months before Pearl ...
1 comment:
Tuesday, March 24, 2020

These Variable Capacitors Work -- Ether or No Ether!

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Amazing that the arguments about the presence or absence of a luminiferous ether made its way into parts advertisements in a radio maga...
Monday, March 23, 2020

COVID-19 -- StayInTheShack ("SITS") -- Our Contribution to Flattening the Curve

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Early in the COVID-19 Emergency, I saw this inspiring picture of Dick Dillman W6AWO.   Dick had placed a caption under the picture:  ...

AM Diode Detector + 41 and 49 meter Shortwave Bands for HRO-dial Receiver (videos)

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The COVID-19 emergency is a good time to look around the shack for projects you have been meaning to take on but didn't have the ...
1 comment:
Saturday, March 21, 2020

Will, KF4IZE's Beautiful Boatanchors

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Wow, check out the paint job on that SP-600.  Nice work Will.  Hammarlund should have done it that way.  And I should have kept the one...