[AMPS] Relays hanging up

[W8JI@contesting.com (Tom Rauch)]

> I was working at a telephonecompany once.
> We had a rubberhammer that was used to 
> hit the relayracks with when we got too many
> complains about crosscoupled phonelines.
> 
> When we did that we could hear virtuallu hundreds
> of relays clickking off held by residual magnetism.

Mechanical non-mercury wetted relays in a telephone switching 
system?

What a system. No wonder the materials in the relay magnetic 
parts were poor!




73, Tom W8JI
w8ji@contesting.com

--
FAQ on WWW:               http://www.contesting.com/FAQ/amps
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com