TNG – Thursday, June 19, 2025

DARA Clubhouse, 6619 Bellefontaine Rd. Dayton, OH 45424. The meeting begins around 7pm.

There is no presentation this week.

Next week, 6/26, Jeremy Hong, KD8TUO, recounts his experience at Teardown 2025 — one of the premier hardware hacking conferences, held in Portland, Oregon. From inventive projects and thought-provoking talks to hands-on demos and community connections, Jeremy will talk about what made this year’s event a standout celebration of cutting-edge electronics, creative engineering, and open-source ingenuity.

If anyone wants to or knows someone who might want to give a presentation at a future TNG or if you have a topic that you would like to see, please let me know.

Everyone is invited!!!

73,
de Mark, N8ME

License Exam Quiz #324

de Steve, AE8AT

Lightning Safety Week is June 22-28 with June 28th also being International Lightning Safety Day. Don’t be shocked, but the quiz topic is lightning safety!

T0B01 Which of the following is good practice when installing ground wires on a tower for lightning protection?

A. Put a drip loop in the ground connection to prevent water damage to the ground system

B. Make sure all ground wire bends are right angles

C. Ensure that connections are short and direct

D. All these choices are correct

G4C07 Why should soldered joints not be used in lightning protection ground connections?

A. A soldered joint will likely be destroyed by the heat of a lightning strike

B. Solder flux will prevent a low conductivity connection

C. Solder has too high a dielectric constant to provide adequate lightning protection

D. All these choices are correct

E4E14 What is the purpose of a single point ground panel?

A. Remove AC power in case of a short-circuit

B. Prevent common-mode transients in multi-wire systems

C. Eliminate air gaps between protected and non-protected circuits

D. Ensure all lightning protectors activate at the same time

Answers:

T0B01 = C

G4C07 = A

E4E14 = D