RHG Articles

QST: SARC Bike Ride – May 8th – Busse Woods

We will have the FIRST SARC Bike Ride on May 8th.
We will start and end at the Rose Garden Restaurant, Elk Grove Village on the SE corner of Higgins and Arlington Heights Road at 9 am. (Ed. see map below)
Calling frequency is EMCOMM CH 4, 147.420 SIMPLEX.
We will walk across the street and start our ride in Busse Woods.  The loop is about 7 miles, with some rides through Grove loops it is a bit longer. Let’s see how it goes, knowing this group we want to work of some winter calories and then add them again at end at the Restaurant.

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News

April 2021 Auction

SARC has acquired equipment over the last two years that we are making available via auction to the club’s members. This auction is not open to the public, and takes place on SARC-ALL, our club’s closed mailing list.

When

Bidding opens now.

Bidding closes 8AM April 10th at CP. 

Bids must be placed through SARC-All, where rules can also be found.

News RHG Articles

VE Testing Returns!

Our VE testing will be administering amateur radio license tests on the first Saturday of each month at Schaumburg Tennis Plus, the same location as the construction project. There continue to be some COVID-19 restrictions on testing. Please read more on the VE Testing page.

RHG Articles

History of Grounding

From Cliff K9QD

220, 221- Whatever it takes.  Electric Utility Service Drop…and why the service drop to the consumer has a center-tapped transformer grounded to earth.

Wiring diagram of today’s typical single-family service entrance panel:

Note the Utility Transformer’s center-tap is grounded at the pole.  Also, the consumer’s service entrance panel and Neutral/Equipment bonding bars are also grounded to earth.

Origin of ‘grounding’ and why utilities in the early 1900s quickly changed to (for single phase service) center-tapped transformers at the customer’s drop.

In the early 1900s, as electrification spread to more and more consumers, the new advantages of Alternating current allowed higher voltage transmission than Direct Current and saved a ton of copper [Source: Hawkins Electrical Guide Theo. Audel & Co 1917].

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