Friday, January 10, 2025

Please Listen for my 10 Meter Beacon! 28.2335 MHz

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  There it is, in all its glory.  The transmitter itself is a Doug DeMaw "Lil' Slugger" CW transmitter for 10 and 15.  I built...
7 comments:

What Homebrew Looks Like (And W9BRD comment on the High School receiver project)

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Clikc on the picture for a clearer view of this fantastic image Dave Newkirk is the son of Rod Newkirk, the guy who wrote the inspirational ...
Thursday, January 9, 2025

A Saw the Southern Cross (Crux) This Morning (first time in 30 years!)

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You can see it (above) in the picture I took this morning, with my Iphone.  I think I last saw this important constellation more than 30 yea...
3 comments:
Tuesday, January 7, 2025

Steve G0FUW talks Homebrew and Kits with Charlie NJ7V

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Our homebrew direct-conversion receiver challenge (see below) has led to a discussion of the differences between homebrew and kits.  Our int...
Monday, January 6, 2025

A Tale of Woe -- Troubleshooting my 15-10 Rig in the Dominican Republic

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-- Problem first showed up as a low level oscillation in the background.  Annoying.  -- I suspected the simple AF amp from the TJ DC RX proj...
1 comment:

Scott KQ4AOP's PTO Coil Forms for the High-School Direct-Conversion Receiver (Video)

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Scott KQ4AOP listened to amateur radio signals for the first time using a homebrew receiver.  That is really something.  See:   https://sold...
6 comments:
Saturday, January 4, 2025

Donnie WA9TGT's Direct Conversion Receivers

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Donnie WA9TGT writes:  I recently built my first basic 40 meter (DC receiver) from  http://www.qrpkits.com/    that uses the common SA602 ...
Wednesday, January 1, 2025

Happy New Year from the Dominican Republic! SKN from HI7/N2CQR

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As you guys know, here at SolderSmoke we are all about tradition.  Things like homebrewing, thermatrons,  crystal radios,  April 1, and even...
2 comments:
Sunday, December 29, 2024

Other Kinds of Workshops -- Making a Clock with a Lathe

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Somehow, this video fits well with the SolderSmoke theme.  It may be that Uri cheerfully acknowledges that the lathe can kill you (the same ...
Friday, December 27, 2024

Derek N9TD's Magnificent Build of the TJ Direct Conversion Receiver

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  I think it is magnificent.  Derek N9TD fought his EE tendencies and recognized that the perfect can be the enemy of the good.  So he went ...
4 comments:
Tuesday, December 24, 2024

So Many Great Pictures, So Much Radio History

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  I make it a point to go back to Wes W7ZOI's web site every once in a while.  That is always a good idea. This time I found myself look...
2 comments:
Monday, December 23, 2024

More Shortwave Listener Cards

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Around this time every year I get an envelope from the W2 QSL bureau in New Jersey.  This year, the envelope contained two QSL cards from sh...