July 2018 MAARC Monthly Meeting

Notice:  July 15th Meeting Moved to Sully Station 

The Davidsonville Family Recreation Center, where we usually meet, is closed because the main water pump has failed. All organizations that use the facility, including us, have suspended operations there until the pump is fixed.

We will meet at the Sully Station Community Center. This is where we regularly hold our April and December meetings. Regular starting times - tailgating from 10:00 am, presentation at 1:00 pm, auction at 2:00 p.m.
Here's the address: 

Sully Station Community Center
5101 Sequoia Farms Drive
Centreville VA


Directions from Interstate 495 (Washington DC beltway):

Take Interstate 66 West towards Front Royal for about 11 miles.
Take exit 53B onto Route 28, heading North.
After about 1.4 miles take the Westfields Blvd. exit, go West.
At the second light turn left onto Sequoia Farms Road.
After 0.1 mile turn right into the Community Center parking lot.


Directions from points West and Southwest of DC

Take Interstate 66, US Route 29, or US Route 50 East towards Washington DC.
From I66 or Route 29:
Exit onto Route 28, heading North. Then follow last three steps above.
From Route 50:
Exit onto Route 28, heading South.
After about 1.8 miles take the Westfields Blvd. exit, go West.
Then follow last two steps above.

Please pass the word about the location change to MAARC members who may be so committed to tube devices that they do not have or read email.

 

Sunday, July 15th

Tailgating at 11:00 and meeting at 1:00

Presentation Topic:  Matching Tubes

Presenters:  Dave Rossetti

Display Table:  Clocks with radio/TV brands on them

 

Check calendar for other events.

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Replacing Power-Cord Resistance Elements or Ballast Tubes

Have an old radio that used power-cord resistance elements or ballast tubes that are no longer available? Ed Lyon has taken Charlie Rhodes' equations for determining how to replace those with modern-day capacitors and created some charts to guide your repairs. Published in the September 2017 Radio Age, they are provided here for your use. 

To view the charts and related article, click here.

Additional information