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 13, 2025

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

Next week (2/20) our quizmaster, Steve, will give a presentation on his analysis of 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 #306
de Steve, AE8AT

Stumbled on this topic by chance as there were nearly identical questions in both the Technician and General question pool. The Extra pool did not have a tuner specific question, but the feed point impedance is a similar enough topic.

T9B04 What is the major function of an antenna tuner (antenna coupler)?

A. It matches the antenna system impedance to the transceiver's output impedance

B. It helps a receiver automatically tune in weak stations

C. It allows an antenna to be used on both transmit and receive

D. It automatically selects the proper antenna for the frequency band being used

G4A06 What is the purpose of an antenna tuner?

A. Reduce the SWR in the feed line to the antenna

B. Reduce the power dissipation in the feedline to the antenna

C. Increase power transfer from the transmitter to the feed line

D. All these choices are correct

E9A04 Which of the following factors affect the feed point impedance of an antenna?

A. Transmission line length

B. Antenna height

C. The settings of an antenna tuner at the transmitter

D. The input power level

Answers:

T9B04 = A

G4A06 = C

E9A04 = B