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KB6NU's Ham Radio Blog

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Recent SKs: NU2J, K3SHD, K7AJM

These three SKs all shared our passion for amateur radio. Marc F. Toussaint, NU2J Marc Toussaint, 73, passed away at his home in Bloomfield, NJ on August 5, 2026. Marc shared his father s love of ham radio and received his amateur operator license from the FCC at age 15. Eventually, he advanced to the Amateur [ ]

Question pools should make teaching classes easier

Last week, I taught a one-day Tech Class at DEFCON, arguably the premiere cybersecurity/hacker conference in the U.S. It was my fourth year teaching this class under the auspices of the Ham Radio Village. This year, there were 66 people in the class. It was my first class with the updated question pool, and somehow, [ ]

One lump or two (or three)?

If there s anything that radio amateurs like to kvetch about it s licensing. How many license classes should there be? How difficult should the tests be? What kind of privileges should each class get? Back in the 1950s and 1960s, the debate was incentive licensing. Incentive license was supposed to be an effort to get radio [ ]

More QSLs: N7FAN, AD7HI

These QSLs are a bit different than the other QSLs I post here. Not because they don t spell words, but because they are from stations west of the Mississippi. Because of the way I have to mount my HF antenna, I don t do very well to the west. Also, the N7FAN card is for a [ ]

More POTA notes, 7/30/26

Here are a couple more POTA notes: I ve discovered the limits of my 9 Ahr BioEnno battery. I used it for the following activations: July 22, 1 hour, 15 contacts July 24, 1.5 hours, 31 contacts July 25, 1.5 hours, 60 contacts July 27, 2.5 hours, 52 contacts July 29, 1.25 hours, 40 contacts About [ ]

POTA notes, 7/27/26

Since the POTA gods (or in this case, a goddess) designated the Iron Belle State Trail (US-13184) a. POTA entity, this spring, I ve been working a lot of POTA. The park is less than a mile from my house, and I can be on the air within 20 minutes of leaving my house. After this [ ]

QSLs: WA2PAY, W3SKY

Here are two new QSL cards for my collection of QSLs whose calls spell words. Both are from Florida, and both are very colorful.

ICQPodcast Episode 487 – A Taste of Ham Radio Friedrichshafen

In this episode, I joined Martin Butler M1MRB, Caryn Eve Murray KD2GUT and Ed Durrant DD5LP to discuss: Germany Likely to Get Full 4 Metres Band Back. The Brits on the podcast seem to love the 4-meter band. Unfortunately, I doubt that we ll ever get access to it here in the U.S. Eyeball-to-Eyeball Off-the-Air QSO [ ]

Today’s POTA activation: A nice change of pace

This summer, I have been activating the Iron Belle Trail, US-13184, a lot. This is a newly-added POTA entity and it runs through Bandemer Park, which is less than a mile from my house as the crow flies, and less than a mile and a half by car. I can be on the air in [ ]

Guest Post: ARRL needs new blood

This is a guest post from Fred Hopengarten, K1VR Past Director, New England Division. The ARRL does a lot of good work. It fights for spectrum. It helps organize public service. It supports education and licensing. You should be a member. You should support the League. And yet: membership is shrinking, the mood is frayed, and [ ]