Hmmm! That may be so Chris but I never did succeed in getting "her
indoors" to allow me to engage her little diamond with a "cat's whisker"
to enjoy the harmony of the airwaves. After all, to a radio amateur, a
bit of quartz is just a bit of quartz innit? ("ouch, that hurt" sez he
dodgin' a frying pan!)

73 de pat g4gvw


On Tue, 2010-04-20 at 23:54 +0100, Chris Trayner wrote:
> Mal and others,
> 
> 
> On 2010 Apr 20, at 18:40, mal hamilton wrote:
> > I have not investigated gold v silver but high quality low loss plugs/socket
> > pins are gold plated, if what you say is correct why not silver?
> 
> Silver does tarnish with time and it's not just cosmetic.
> We have a couple of LCR meters at work with sliding contacts to take the 
> leads of the components. After some years (probably more than ten) these 
> contacts became erratic. Opening the units up, I found the sliders slid on 
> silver-plated strips which had become tarnished. Cleaning them restored 
> reliable operation.
> 
> Wedding rings, of course, are intended to maintain good connections between 
> man and wife for the expected lifetime of the units ...
> 
> 73,
> Chris G4OKW
> 
> -----------------------
> Dr Chris Trayner
> School of Electronic & Electrical Engineering,
> The University of Leeds,
> Leeds LS2 9JT, United Kingdom
> Tel: +44 113 34 32053
> Fax: +44 113 34 32032
> 
> 
-- 
73 es gd dx de pat g4gvw
 qth nr felixstowe uk
(east coast, county of suffolk)