TNG – Thursday, May 29, 2025

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

This week Brad Nickels will update us on the amateur radio station at the VA Medical Center, W8DVA. The presentation will begin around 7:30.

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 #322

de Steve, AE8AT

Last week the quiz kicked off National Safety Month with some easier safety questions. This week the quiz went searching for the hardest of the safety questions, and without any data whatsoever to support that claim, here are this week’s questions!

T0C03 How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

A. It increases by a factor of 3

B. It decreases by 50 percent

C. It increases by a factor of 2

D. There is no adjustment allowed for lower duty cycle

G0A03 How can you determine that your station complies with FCC RF exposure regulations?

A. By calculation based on FCC OET Bulletin 65

B. By calculation based on computer modeling

C. By measurement of field strength using calibrated equipment

D. All these choices are correct

E0A03 Over what range of frequencies are the FCC human body RF exposure limits most restrictive?

A. 300 kHz - 3 MHz

B. 3 - 30 MHz

C. 30 - 300 MHz

D. 300 - 3000 MHz

Answers:

T0C03 = C

G0A03 = D [FCC Part 97.13(c)(1)]

E0A03 = C