PLEASE if you are having any COVID, RSV or FLU symptoms DO NOT come to the clubhouse.

Remember to be careful on the roads and in the parking lot.

TNG – Thursday, February 6, 2025

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

There is no special presentation this week.

On February 20, our own quizmaster, Steve AE8AT, will give a review of data gleaned from his analysis of amateur radio contest logs.


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 #305
de Steve, AE8AT

Quiz topic is radiation!


T0C01 What type of radiation are radio signals?

A. Gamma radiation

B. Ionizing radiation

C. Alpha radiation

D. Non-ionizing radiation


G3A03 Approximately how long does it take the increased ultraviolet and X-ray radiation from a solar flare to affect radio propagation on Earth?

A. 28 days

B. 1 to 2 hours

C. 8 minutes

D. 20 to 40 hours


E9C01 What type of radiation pattern is created by two 1/4-wavelength vertical antennas spaced 1/2-wavelength apart and fed 180 degrees out of phase?

A. Cardioid

B. Omni-directional

C. A figure-eight broadside to the axis of the array

D. A figure-eight oriented along the axis of the array



Answers:

T0C01 = D

G3A03 = C

E9C01 = D