Since Field Day is so much fun, why only have one per year?
Following the lead of Kalamazoo’s LOSTeam, our club has formed its own group to pursue “adventures in communications.” We call ourselves the ARROW Mobile and Portable Team (AMPTeam).
We had our first outing last Monday, April 24. The weather was beautiful, and eleven club [...]

As you may know if you’ve been reading this blog, you know that I’ve been working with a group of middle school kids. Things were going along pretty well until three weeks ago. Then, as I was trying to teach them about frequency and frequency bands, I just lost them. They started talking amongst themselves [...]

Another interesting one from Ralph KB8ZOY on how to build simple radios.
This page shows you how to build a really bare-bones radio. You might even have the stuff around your shack already. If not, you might want to buy the stuff to have available should somone you know show some interest. That way you [...]

I just finished a QSO with N5YAK, and in the last batch of QSLs I received from the bureau, there was a card from F5CUD. Now, I’m wondering if yaks chew cud?

Ralph KB8ZOY emailed me:
My EchoLink alarm went off. The connection was from [a high school student] in Camp Hill, PA. She said she got her ticket as a project in her Physics class at Trinity High School. Part of the assignment was to contact 10 hams. Looks like she is [...]

Even the broadcast industry is up in arms about encroachment on their frequencies. The Media Daily News posted this story today:
Broadcasters See Red Over ‘White Space,’ Move To Block New Media Devices
by Erik Sass, Tuesday, Apr 18, 2006 8:15 AM EST
A NEW GENERATION OF PERSONAL media and communication devices operating in so-called “white space,” [...]

The latest edition of the Flying Pigs QRP Club Bacon Bits Quarterly (BBQ is now online! This issue includes articles on the following topics:

phased verticals,
tinkering and experimenting, with a great list of resoures,
The Great Crystal Swap,
and more!

This from the Electronic Design (trade magazine) e-newsletter:

Enclosure Tips Handbook from Bud Industries
Bud Industries’ 28-page handbook is a handy reference for experienced engineers and a tutorial for engineers who are new to enclosures. It covers important issues of enclosure design and application: cooling, interconnects, finishes, typical dimensions, NEMA and seismic standards, and more. Request your [...]

This weekend, I spent a lot of time doing my taxes, but that, of course, is not radio-related. :)
What I did do on Saturday that was radio related is to help Colin KD8CCQ put up an HF antenna and get him on the air. We actually took a crack at this a couple months ago, [...]

One reason the KX-1 can pack in so much functionality is that it uses the Analog Devices AD9834 Direct Digital Synthesizer (DDS). On the Elecraft mailing list, Pete WD4LST pointed to this Analog Devices DDS primer. Here’s an excerpt:
A DDS chip, or direct digital synthesizer, produces an analog waveform—usually a sine wave, but triangular and [...]