SolderSmoke Daily News -- Ham Radio Blog

This 1971 training film is pretty good.  I like how they break the RF circuitry into just four components, then describe the AM receiver sta...

In an article on IMD and splatter,  tech guru Rob Sherwood noted that the cleanest tranmitter he had ever owened was the Colling 32S-3.   He...

  https://www.robkalmeijer.nl/techniek/electronica/radiotechniek/hambladen/hr/1988/10/page71/index.html I think the point I was trying to ma...

Great stuff!  We were really fortunate to have Farhan and Humera visit the SolderSmoke East shack after Dayton and FDIM.  Dean and I had a c...

Run, don't walk, to this video series by RF MAN.   He is truly, THE MAN!  Pete N6QW found this series, passed it to Dean KK4DAS, who ale...

  PA shematic from the BITX 40 Module Click on the diagram for a better view C.F. Rockey W9SCH (who alerted us in SPRAT 22 to the chicken sa...

Click on the image for an easier read Back when Dean KK4DAS and I were trying to find a suitable AF amplifier circuit for our High School Di...

Recently my trusty CCI EB63A .1kW amplifier has been in rebellion.  On 10 meters, it now often insists on being an oscillator.   It calms do...

Wow, talk about walking into the lions' den!  Grayson Evans, author of "Hollow State Design" and guru of all things thermatron...

Good video.  I like how he related the real-world device to the Igs graph. Also, note the big variation in MPF-102 parameters.  Stay tuned f...

  I moved the 17/12 Rig off the workbench and placed it (as planned) atop the Mythbuster rig.  Now I have four bands easily accessible.  In ...

I REALLY LIKE THIS RIG. IT IS LIKE A MAGIC CARPET THAT CARRIES MY VOICE ACROSS THE SEAS. Cutting Display Hole sets off smoke alarm. Revers...

  'Tis a thing of beauty.  It is especially appropriate for us to use that Irish phrase because the design of the rig's new final am...

  I really like Dean's description of the building process, especially where he describes the need to sit down with paper and pencil for...

  It really pays to check Wes Hayward's web site .  I looked yesterday and found something that we really need:  A termination insensiti...

Congratulations to Charlie Morris ZL2CTM for his first contact with his Simple SSB rig.   There are so many cool things in Charlie's vid...

Click on the link to check out Tor's very FB and artistic video about his homebrew IRF-510 amplifier.  Very Nice.   Also, check out...

As I said a couple of days ago, Farhan has put out a very informative video on amplifier design. During the video we can see him determin...

Farhan has produced a really excellent video explaining the theory behind the feedback amplifiers that we use in so many of our circuits....

The last blog postings on Rick N3FJZ were in 2015 .  Rick sent me a very uplifting reception report, then we had a pretty amazing Homebrew...