[DARARepeater] Thursday Night Group

[George]

Thursday Night Group 7pm NOT 6pm

Time, Frequency, Accuracy, and Noise 

 

Upcoming Activities 

Projects

** License Exam Questions of the week

The Thursday Night Group will meet

Thursday, Oct 25 at 7:00 PM at the DARA Clubhouse.

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Things this week:  

1.        Thursday Night Group 7pm NOT 6pm

It was published in this month's RFCarrier that TNG meets at 6pm every
Thursday.  

This is INCORRECT. We meet at 7 PM.

 

2.        John Ackermann, N8UR, 

"If You Have One Clock, You Know What Time It Is; If You Have Two Clocks, 

You're Never Sure: Time, Frequency, Accuracy, and Noise."& Demo   

 

3.        Upcoming Activities 

Fort Wayne Hamfest November 17-18

https://mailchi.mp/e69901e54f8f/one-month-warning?e=eb327c8d1d 

4.        ** 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.

 

We received a question regarding the strange mix of letters and numbers that
begin each question.  Every exam question has a unique combination of
letter-number-letter-number.  The first letter is a T, G, or E to identify
the question pool: Technician, General, or Extra.  Next is a single number
representing the category, for example, category zero is safety in all three
exam pools.  The first letter-number pair is called the "sub-element".   The
second letter is a "group" containing related questions.  Example,
subelement G8 is Signals and Emissions, with group C of that sub-element
being Digital Emission Modes.  The questions are numbered sequentially:
G8C01, G8C02, and so forth always with a 2-digit number at the end.  The
question identity is included in case of a typo or some "help" from
autocorrect obscures either the question or the answer.  

 

This week, it is mobile operating.  

T4A11 Where should the negative return connection of a mobile transceiver's
power cable be connected?

A. At the battery or engine block ground strap

B. At the antenna mount

C. To any metal part of the vehicle

D. Through the transceiver's mounting bracket

G4E03 Which of the following direct, fused power connections would be the
best for a 100 watt HF mobile installation?

A. To the battery using heavy gauge wire

B. To the alternator or generator using heavy gauge wire

C. To the battery using resistor wire

D. To the alternator or generator using resistor wire

E4E04 How can conducted and radiated noise caused by an automobile
alternator be suppressed?

A. By installing filter capacitors in series with the DC power lead and a
blocking capacitor in the field lead

B. By installing a noise suppression resistor and a blocking capacitor in
both leads

C. By installing a high-pass filter in series with the radio's power lead
and a low-pass filter in parallel with the field lead

D. By connecting the radio's power leads directly to the battery and by
installing coaxial capacitors in line with the alternator leads

5.        Projects

Bring something to work on.   What you building?

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:

T4A11 = A.

G4E03 = A. This is also true of VHF and UHF radios.

E4E04 = D. Please seek advice before attempting.



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