[DARARepeater] Thursday Night Group

[George]

June DARA General  Membership meeting

Comments on the 5-27-20 NASA/SpaceX Crew Dragon Launch

Projects – HOMEBREW Night June 5th

** License Exam Questions of the week #94

Details for THIS week’s ZOOM meeting (at the bottom of this email)

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The Thursday Night Group will meet ON-LINE

Thursday, May 28 at 7:00 pm 

Speakers will start about 7:30.

Details on this week’s ZOOM login at the bottom of this email

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Things this week:  

1.   June DARA General  Membership meeting 

 

Jim Storm, DARA VP, announced last week the June DARA General Membership
meeting WILL BE a Virtual meeting.  Topic HOMEBREW Night.  He said he did
not know what service they would be using.  So watch for news in the RF
Carrier or an email announcement. 

2. Comments on the 5-27-20 NASA/SpaceX Crew Dragon Launch

We will be talking about the 5-27-20 NASA/SpaceX Crew Dragon Launch and
other things.  The TNG zoom meetings cover many topics and have gone to at
least 2 AM Friday morning.

       

3. Projects – HOMEBREW Night June 5th

Keep working on your projects at home.  

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.

 

June is just ahead, although as I write, tonight’s forecast low is 34°F.
The National Safety Council, a nonprofit, declares June to be national
safety month.  As you prepare head out to antenna or other ham radio
projects (is there anything else?), our quiz turns to safety questions.

T0B03 Under what circumstances is it safe to climb a tower without a helper
or observer?

A. When no electrical work is being performed

B. When no mechanical work is being performed

C. When the work being done is not more than 20 feet above the ground

D. Never

G0A02 Which of the following properties is important in estimating whether
an RF signal exceeds the maximum permissible exposure (MPE)?

A. Its duty cycle

B. Its frequency

C. Its power density

D. All these choices are correct

E0A03 Which of the following would be a practical way to estimate whether
the RF fields produced by an amateur radio station are within permissible
MPE limits?

A. Use a calibrated antenna analyzer

B. Use a hand calculator plus Smith-chart equations to calculate the fields

C. Use an antenna modeling program to calculate field strength at accessible
locations

D. All of the choices are correct

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!!! 

 

 

==============================================

Details for ZOOM meeting 

The Web link, Meeting ID and Password WILL CHANGE WEEKLY!!

Topic: TNG 5/28/2020

Time: May 28, 2020 06:45 PM Eastern Time (US and Canada)

Join Zoom Meeting

https://us02web.zoom.us/j/85862935654?pwd=NVQ2ZFpDekZZckptc29kVlFUU050QT09

Meeting ID: 858 6293 5654

Password: 026984

One tap mobile

+13126266799,,85862935654#,,#,026984# US (Chicago)

+16465588656,,85862935654#,,#,026984# US (New York)

Dial by your location

        +1 312 626 6799 US (Chicago)

        +1 646 558 8656 US (New York)

        +1 346 248 7799 US (Houston)

        +1 669 900 9128 US (San Jose)

        +1 253 215 8782 US

        +1 301 715 8592 US

Meeting ID: 858 6293 5654

Password: 026984

Find your local number: https://us02web.zoom.us/u/kc0XL0bZtm

=============================

Answers:

T0B03 = D.

G0A02 = D.

E0A03 = C.

Quiz 94



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