[DARARepeater] TNG June 6 - Anarchy

[Mark Erbaugh]

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





*TNG – Thursday, June 6  2024*

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



This week we are back to anarchy - no formal presentation. Next week, Ralph
Beach will give a presentation on the AirSpy DSP receiver.



If anyone wants to or knows someone who might want to give a presentation
at a future TNG, please let me know.



*Everyone is invited!!!*


*It's Back!!!*

*Licensing Quiz 271*

de Steve, KE8AT

The Extra question pool will refresh at the end of June, so this quiz is a
look at some of the questions being retired! I wish I could retire…


E2C02 Which of the following best describes the term “self-spotting” in
connection with HF contest operating?

A. The often-prohibited practice of posting one’s own call sign and
frequency on a spotting network

B. The acceptable practice of manually posting the call signs of stations
on a spotting network

C. A manual technique for rapidly zero beating or tuning to a station’s
frequency before calling that station

D. An automatic method for rapidly zero beating or tuning to a station’s
frequency before calling that station


E3C14 Why does the radio-path horizon distance exceed the geometric horizon?

A. E-region skip

B. D-region skip

C. Due to the Doppler effect

D. Downward bending due to density variations in the atmosphere


E4C06 A CW receiver with the AGC off has an equivalent input noise power
density of -174 dBm/Hz. What would be the level of an unmodulated carrier
input to this receiver that would yield an audio output SNR of 0 dB in a
400 Hz noise bandwidth?

A. -174 dBm

B. -164 dBm

C. -155 dBm

D. -148 dBm



Answers:

E2C02 = A

E3C14 = D

E4C06 = D



73,

Mark, N8ME
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