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

TNG – Thursday, August 1, 2024

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

There's no presentation scheduled for this Thursday

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 #279
de Steve, AE8AT


This week the quiz focuses on the dummy load. No, it’s not political. The Extra question pool does not include the word “dummy” so instead it is the power consumed by the load, which could be a dummy.


T7C01 What is the primary purpose of a dummy load?
A. To prevent transmitting signals over the air when making tests
B. To prevent over-modulation of a transmitter
C. To improve the efficiency of an antenna
D. To improve the signal-to-noise ratio of a receiver


G5B12 What is the RMS voltage across a 50-ohm dummy load dissipating 1200 watts?
A. 173 volts
B. 245 volts
C. 346 volts
D. 692 volts


E4B06 How much power is being absorbed by the load when a directional power meter connected between a transmitter and a terminating load reads 100 watts forward power and 25 watts reflected power?
A. 100 watts
B. 125 watts
C. 112.5 watts
D. 75 watts


Answers:
T7C01 = A
G5B12 = B
E4B06 = D