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:
Tuesday, June 27, 2023

Australia and Apollo 11 -- Honeysuckle Creek

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Trevor reminded me that Parkes ("The Dish") was not the only Australian antenna at work during Apollo 11.  This very nice video gi...
1 comment:
Monday, June 26, 2023

The Carrington Event and the Current Solar Cycle (Solar Max "Sooner and Stronger")

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  From the article:  "Sunspot activity has increased dramatically in early 2023, with sunspot numbers far exceeding NASA's predicti...
Friday, June 23, 2023

Part III: Curious Marc Repairs an All-Discrete Freq Counter: DO NOT ATTEMPT REPAIR OF CAVITY RESONATOR

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I love all the "DO NOT ATTEMPT" warnings.  Wow, even HP got so skittish about this stuff.  Marc has a great sense of humor and not...
Thursday, June 22, 2023

Another Podcast -- "Lamp Talk"

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  This is a blast (!) from the past.   A SolderSmoke listener sent this to us in 2006.    So hey,  be careful with the high voltage!  

Another Model Rocket that Lands like SpaceX -- With a Great Description of the Flight Computer, Software, and Design

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Wow, I have to give the devil his due:  this is NOT something that could be accomplished with my beloved discrete (not discreet!) transistor...
1 comment:
Tuesday, June 20, 2023

Part 2: CuriousMarc Fixes an All-Discrete Counter -- "Like an IC, but in discrete form."

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Marc nicely sums up this project with this line:  "It's an IC but in discrete form!"  On the same theme, he later says, "...
3 comments:
Monday, June 19, 2023

CuriousMarc Repairs an old DISCRETE COMPONENT HP Frequency Counter

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I really liked this repair video from CuriousMarc (aka AJ6JV).  This counter pre-dates the use of integrated circuits -- it is all discrete ...
2 comments:
Saturday, June 17, 2023

Sam WN5C Builds a Michigan Mighty Mite and Takes it to Lake Thunderbird

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  Sam WN5C built a Michigan Mighty Mite and then went the extra mile by putting it on the air from a field location.  And what a great name ...
Wednesday, June 14, 2023

Nine Homebrew Transceivers by Walter KA4KXX (and some QRP and QRO RC planes)

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  Our friend Walter KA4KXX in Orlando recently sent us this really cool "family photo" of his homebrew rigs.  Be sure to see the k...
7 comments:
Tuesday, June 13, 2023

How they Make Raspberry Pi 4 Single Board Computers

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So, if the Raspberry Pi is a key part of your new "homebrew" rig, how much of the rig did YOU actually build? 
3 comments:
Monday, June 12, 2023

Germany: Direct Conversion Receiver Success!

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Dear Bill, Please my apologies for my late update on our DCR project. We started with the course in the semester break and once the semester...
14 comments: