Showing posts with label Canada. Show all posts
Showing posts with label Canada. Show all posts
Friday, August 30, 2024

Mr. Carlson Makes a Thermatron Power Supply for a BC-348

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When I was 14, I had to make a power supply for a Heath HW-32A.   Mine ended up working, but it was nowhere near as nice as Mr. Carlson'...
4 comments:
Thursday, February 1, 2024

Wilson Cloud Chambers - I Want to Build One

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Wow, I've been wanting to build a Wilson Cloud Chamber for a long time, ever since I read about one back in the 1970s in C.L. Stong'...
Sunday, October 22, 2023

DIAL SCALE LINEARITY -- Spreading out the Frequencies for the 15-10 BITX Rig

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Click on the image for a better view The 15-10 Rig has been performing very well, pulling in a lot of DX contacts on both bands.  But there ...
3 comments:
Friday, June 30, 2023

SolderSmoke Podcast #247 -- Hating on the IC-7300, Pete Goes FT-8 with a KWM-1, Bill's 15-10 Rig, MAILBAG

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Bill's 15-10 Rig -- Click on image  SolderSmoke Podcast #247 is available:  Audio Podcast:  http://soldersmoke.com/soldersmoke247.mp3 Vi...
10 comments:
Thursday, June 8, 2023

Canadian Build of the Direct Conversion Receiver -- Do This in Your Town! (Video)

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This is so cool.  We have been getting reports from Daniel VE5DLD up in Regina, Saskatchewan, Canada.  Daniel is a teacher and he has been b...
Friday, March 10, 2023

Troubleshooting an Intermittent with Mr. Carlson. And Troublesome Tube Re-Branding.

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This is a really great video on how Mr. Carlson (VE7ZWZ) did troubleshooting on a tube-type receiver. The problem was an intermittent.  They...
3 comments:
Sunday, November 27, 2022

Mr. Carlson's New Lab and Workbench

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I am very glad to see that Mr. Carlson is NOT slowing down.  In fact he has built another lab and is ramping up.  FB!  
4 comments:
Saturday, May 14, 2022

Mr. Carlson's Grand Receiver Restoration Project -- Your Input Sought (video)

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Mr. Carlson (VE7ZWZ) is launching a series of videos on the restoration of some old boatanchor receivers.  I have been working on an old HQ-...
4 comments:
Wednesday, February 2, 2022

The NCDXF/IARU Beacons (very useful website)

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  So there I was, innocently checking the lower end of the tuning range on my now 17 meter SSB Barebones Barbados W4OP receiver.  I had it t...
Monday, December 27, 2021

A Christmas Story: Mike AA1TJ Builds Receiver for 486 kHz, Listens to Fessenden Commemoration (Audio)

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Mike's 486 kHz receiver As if being able to get home on Christmas Eve 2021 and then catching the Webb Telescope launch was not enough, S...
1 comment:
Saturday, September 25, 2021

VE7SL's Beautiful Single Tube Transmitter and Single Tube Regen Receiver

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Just stunning, in their simplicity and beauty.  Really amazing work.  Kind of reminiscent of my ET-2, but with tubes, and much nicer constru...
2 comments:
Saturday, July 24, 2021

Mr. Carlson's New Lab. And his Amazing Tek Collection

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7 comments:
Saturday, February 20, 2021

A Step Closer to the Elser-Mathes Cup? Ham Receives Signals from Mars

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  That is the antenna that Scott Tilley VE7TIL  used to receive signals from the Chinese spacecraft Tianwen-1 in orbit of Mars.  In a recent...
Thursday, January 21, 2021

Another Poem about Radio: Radar Man

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  http://www.alphalpha.org/radar/poem/story.html Thanks to Allan WA9IRS for sharing this with us. 
Monday, September 21, 2020

HP8640B Internal Frequency Counter Fixed (More Repairs Pending)

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  The HP8640B is a complicated machine.  Above you see just one sub-assembly, and the page from the manual that describes it.  This is what ...
1 comment:
Sunday, September 13, 2020

HP8640B -- Fault Found! A very TINY and Hard-to-Fix Fault

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  I've been troubleshooting the internal counter in my HP8640B signal generator. The generator itself works fine.  And the counter works...
1 comment:
Friday, January 24, 2020

Mr. Carlson's Lab Attacked by Dangerous Canadian Snow Static! (Video)

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Even when describing something as simple and basic as snow, Mr. Carlson is electronically awesome.   This video made me realize that in th...
Friday, April 19, 2019

Homebrew Your Own Remote Head (with a 3D Printer) (Video)

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After I issued a luddite complaint lamenting the arrival in ham radio of appliance-like "remote heads", Ed KC8BSV pointed out th...
2 comments:
Sunday, October 21, 2018

The Radio Doctor of Montreal

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So much radio wisdom in the words of the Radio Doctor of Montreal. 
Saturday, October 6, 2018

Radio Astronomy Knack!

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This video has so much of the kind of stuff that interests us:  roadkill antennas.  3D printers.  Arduinos.  Raspberry Pi, And of course, ...