Friday, January 31, 2020

WA2EUJ's NXP RF Power Amplifier Design Challenge Entry -- Won First Place Prize!

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Congratulations to Jim WA2EUJ.   First Place the NXP Design Challenge.  You can buy the board here:  https://sites.google.com/site/rfp...
Thursday, January 30, 2020

Mountain Topping in Indonesia -- Very Cool Video

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OM Kenji has an awesome video about a mountain topping trip that took place in Indonesia just yesterday.  Very nice.   I like the use of...
3 comments:
Wednesday, January 29, 2020

DK7IH's New HOMEBREW Transceiver Raises the Bar for All of Us

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And that, my friends, is a HOMEBREW transceiver.  Wow, amazingly well done.  After I showed this to Pete N6QW (no slouch in the homebre...
2 comments:
Tuesday, January 28, 2020

Junk Box Ethics -- I Plead Guilty! (video)

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I cringed when, at about the 32 minute mark,  during a discussion of the moral necessity of preserving old gear, Michael appeared on the s...
5 comments:
Monday, January 27, 2020

How to Generate an AM Signal (and DSB!) in LTSpice

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Pretty cool and very useful.   You can also do this by using the Modulator symbol, but I found this technique easier and more straightforw...
Sunday, January 26, 2020

Lebanon's First Radio Website

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I found this site through Paul VK3HN.  He took the AM detector circuit for his AM receiver from one these Lebanese homebrew radios.   ...
1 comment:
Saturday, January 25, 2020

Wild Woody WARC Keys

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From the NAQCC newsletter: " The key is Dave's own unique invention called the WILD WOODY WARC KEY, and each key is consecutiv...
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...
Sunday, January 19, 2020

Hack-A-Day and Copper Tape

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https://hackaday.com/2020/01/15/the-flexible-permanence-of-copper-tape-circuits/ and https://halestrom.net/darksleep/blog/039_coppertape...
Saturday, January 18, 2020

The End Fed Half Wave Antenna and EFHW Tuners

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In the SPRAT 179 (Summer 2019) article describing their Peregrino (Pilgrim) transceiver,  Joan EA3FXF and Eduardo EA3GHS recommend the...
4 comments:
Friday, January 17, 2020

The Experimenter

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https://www.americanradiohistory.com/The_Experimenterr.htm?fbclid=IwAR2k7bmbXoRXg6rTiy411riH1WfWUvqso1lpGEn8cEEGk2JKb8FKB4OT7zo I t...
3 comments:
Thursday, January 16, 2020

Mike WU2D on QSO Today with Eric Guth 4Z1UG

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Eric Guth has a great interview with homebrew and boatanchor guru Mike WU2D.   Listen here:  https://www.qsotoday.com/podcasts/WU2D ...
2 comments: