Amateur Radio Weekly – Issue 133

Scientists are bringing back vacuum tubes
A group of scientists have developed super-efficient microscopic vacuum tubes that may be able to outperform semiconductors.
Popular Mechanics

3D print your next paddle
Mini Iambic Magnetic Morse Paddle is designed for portable or SOTA operation.

End fed half wave antennas
End feeding antennas can be an incredibly convenient configuration because you only need one support (like a tree).
High on Solder

You can swing a dead cat but you shouldn’t swing your Bug
If it ain’t got that swing, that’s a good thing

Funny old hobby
Our hobby is based upon communication – Yet, when face-to-face, we suck at it…

Amateur Radio satellites
Check the status and communication frequencies of all active Amateur Radio satellites.

Comparing the weak signal performance of a WBR Regen with a K2
The WBR seems to get a bit of a bad rap with some people for it’s sensitivity. Based on my experience, this design does seem to be fairly deaf on AM, but the sensitivity on SSB/CW is fine.

SOTA Super Activation
The aim of the event is to get as many Summit to Summit – “S2S” – contacts as possible. The summit contacts can be between North America and Europe or within the regions themselves.

Antarctica expedition
Felix, DL5XL (N5BC), will once again operate from Antarctica using his call sign DP1POL. Activity will be from November 2016 to February 2017.

Small-scale EME setup
you don’t need a huge antenna system to operate EME (moonbounce) successfully.

Portable shortwave spectrum capture for the urban city dweller
Lightweight, portable set-up that would let me capture large chunks of the shortwave radio spectrum out in the field, which I could later explore in detail.
The SWLing Post

Copying GRLevel3 settings to another computer
Like many other Windows programs, preference data is stored in the registry, and this provides a somewhat easy work around.

Amateur Radio Weekly is curated by Cale Mooth K4HCK. Sign up free to receive ham radio's most relevant news, projects, technology and events by e-mail each week at

Leave a Comment

Subscribe FREE to's
Amateur Radio Newsletter
News, Opinion, Giveaways & More!

Join over 7,000 subscribers!
We never share your e-mail address.

Also available via RSS feed, Twitter, and Facebook.

Subscribe FREE to's
Amateur Radio Newsletter

We never share your e-mail address.

Do you like to write?
Interesting project to share?
Helpful tips and ideas for other hams?

Submit an article and we will review it for publication on!

Have a ham radio product or service?
Consider advertising on our site.

Are you a reporter covering ham radio?
Find ham radio experts for your story.

How to Set Up a Ham Radio Blog
Get started in less than 15 minutes!

  • Matt W1MST, Managing Editor

Sign up for our free
Amateur Radio Newsletter

Enter your e-mail address: