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

TNG – Thursday, April 17, 2025

DARA Clubhouse, 6619 Bellefontaine Rd. Dayton, OH 45424.  The meeting begins around 7pm. The presentation begins at 7:30pm.

There is no special presentation this week.

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 #315

The quiz this week was randomly selected from the least used area of each question pool.


T7D04 Which instrument is used to measure electric current?

A. An ohmmeter

B. An electrometer

C. A voltmeter

D. An ammeter


G4E06 What is one disadvantage of using a shortened mobile antenna as opposed to a full-size antenna?

A. Short antennas are more likely to cause distortion of transmitted signals

B. Q of the antenna will be very low

C. Operating bandwidth may be very limited

D. Harmonic radiation may increase


E4C13 What is reciprocal mixing?

A. Two out-of-band signals mixing to generate an in-band spurious signal

B. In-phase signals cancelling in a mixer resulting in loss of receiver sensitivity

C. Two digital signals combining from alternate time slots

D. Local oscillator phase noise mixing with adjacent strong signals to create interference to desired signals



Answers:

T7D04 = D

G4E06 = C

E4C13 = D