SolderSmoke Daily News -- Ham Radio Blog

Bob LeDoux sent us a link to a really amazing site about the Hellschreiber system.  The site is filled with great videos, pictures, and a...

After watching all Pete's work with the smaller Arduinos, that Uno R3 board seems HUGE.  That's what I should stick with.   Great ...

This direct conversion receiver is part of the "Let's Build Something"  project of Pete N6QW and Ben KK6FUT.  Publication ...

We did it AGAIN!   Winners in the Homebrew Double-Sideband QRP Northern Virginia Category!   Sweet!  I can't wait to pick up the troph...

Back in March 2013 we ran a blog post linking to a video of a beautiful superhet receiver built by Lee Snook, W1DN (that's his shop). ...

That's an awe-inspiring "selfie"!   This looks like something out of Kubrick's "2001 -- A Space Odyssey." Cong...

With advice and tribal knowledge from N6QW and MeSquares from W1REX, Colin M1BUU, is making excellent progress on his BITX.  I see that ...

I couldn't resist posting this picture of the vehicle used by Budd, W3FF.   I talked to him yesterday on 17 meters -- transcontinenta...

Tony, G4WIF, asked about an amplifier to boost the output of the AD9850 chip.  Here is Dr. Juliano's prescription:  You might f...

This is only temporary!  My analog, discrete, hardware-defined BITX17 was NOT harmed or even modified for this little experiment.  Our b...

I somehow missed this one.  Here Pete talks about how the use of the Si5351 in ham radio has been evolving, who has been working on it, et...

Congrats to Pete for his amazingly fast development of a 40 meter superhet receiver using a single Adafruit Si5351 paired with an Arduino ...