[DARARepeater] Thursday Night Group

[George]

Upcoming Hamfest

Projects

** License Exam Questions of the week

 

The Thursday Night Group will meet

Thursday, November 7 at 7:00 pm at the DARA Clubhouse.

------------------------------------------------------

Things this week:  

1.    Upcoming Hamfest 

11/16-17/2019  Fort Wayne Hamfest

http://www.acarts.com/hfmain.htm

 

12/07/2019 | Fulton County ARC Winterfest
Location: Delta, OH
Sponsor: Fulton County Amateur Radio Club
Website:  <http://k8bxq.org/hamfest> http://k8bxq.org/hamfest

2. Projects

Bring something to work on.   What are you building?

3. License Exam Questions of the week

One question is drawn from each of the three question pools. Steve, AE8AT,
is providing these questions.  Thanks Steve

 

Answers are at the end of this email.

 

Quiz topic this week is digital.  Not the digital modes such as the WSJT
suite, but a couple other areas where digital electronics are changing the
hobby.

 

T8D07 Which of the following best describes DMR (Digital Mobile Radio or
Digital Migration Radio)?

A. A technique for time-multiplexing two digital voice signals on a single
12.5 kHz repeater channel

B. An automatic position tracking mode for FM mobiles communicating through
repeaters

C. An automatic computer logging technique for hands-off logging when
communicating while operating a vehicle

D. A digital technique for transmitting on two repeater inputs
simultaneously for automatic error correction

 

G7C05 Which of the following is an advantage of a direct digital synthesizer
(DDS)?

A. Wide tuning range and no need for band switching

B. Relatively high-power output

C. Relatively low power consumption

D. Variable frequency with the stability of a crystal oscillator

 

E7H11 What are the major spectral impurity components of direct digital
synthesizers?

A. Broadband noise

B. Digital conversion noise

C. Spurious signals at discrete frequencies

D. Nyquist limit noise

 

 For more information about B-Road Thursday Evening Group Projects.

Go to W8BI homepage ( <http://www.w8bi.org> http://www.w8bi.org) under
Education, Thursday Group.

Or

Go to ( <https://sites.google.com/site/darathursdaynite/>
https://sites.google.com/site/darathursdaynite)

There is a lot of information on this web site with additional content.

Hope to see you on Thursday evening's.

Everyone is invited!!! 

 

  

Answers:

T8D07 = A.

G7C05 = D.

E7H11 = C.

 

Quiz 65

 

 



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