Re: [time-nuts] GPS Patch Antenna Electrode Tarnish

2013-01-12 Thread Bob Camp
Hi There can be many interesting variations in air quality. I've worked several places where they found that the stock room wasn't the right place to keep silver plated stuff. Being down wind of this or that can be all it takes. Bob On Jan 12, 2013, at 2:56 AM, Attila Kinali wrote: > On Fri,

Re: [time-nuts] GPS Patch Antenna Electrode Tarnish

2013-01-11 Thread Attila Kinali
On Fri, 11 Jan 2013 01:25:55 -0800 Hal Murray wrote: > How much of the crap on exposed silver is oxide vs sulfide? Given the very low amount of sulfur and sulfur compounts in the air, i'd say you've mostly silver oxide. If you are living in an area with heavy traffic though, things look a bit

Re: [time-nuts] GPS Patch Antenna Electrode Tarnish

2013-01-11 Thread Chuck Harris
The thing is that it has long been known that the black tarnish that forms on silver is silver sulfide. I have noticed that most of the unwashed masses think that anything that corrodes, or discolors a metal is a rust, or oxide... even when it isn't. Silver oxide is not formed easily. It doesn'

Re: [time-nuts] GPS Patch Antenna Electrode Tarnish

2013-01-11 Thread Hal Murray
i...@blackmountainforge.com said: > The reason that silver is used is that the oxide is also a very good > conductor. That's interesting. Does anybody have numbers to back it up? I poked around a bit but didn't find anything. My memory (from ages ago) is that RF gear is often gold plated ev

Re: [time-nuts] GPS Patch Antenna Electrode Tarnish

2013-01-10 Thread DaveH
Time-Nuts > Subject: [time-nuts] GPS Patch Antenna Electrode Tarnish > > Dear Nuts, > > Does the buildup of tarnish on the exposed silver electrode > of a typical GPS ceramic patch antenna have any degrading > effect on signal reception? A little Tarn-X easily removes >

Re: [time-nuts] GPS Patch Antenna Electrode Tarnish

2013-01-10 Thread Ed Breya
It should have virtually no effect. Ed ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

[time-nuts] GPS Patch Antenna Electrode Tarnish

2013-01-10 Thread KD0GLS
Dear Nuts, Does the buildup of tarnish on the exposed silver electrode of a typical GPS ceramic patch antenna have any degrading effect on signal reception? A little Tarn-X easily removes it, but I wonder if it's worth bothering, as it always comes back weeks or months later. I've seen it men