[time-nuts] GPS Timing Antenna Failure - Long

Larry McDavid lmcdavid at lmceng.com
Mon May 14 17:55:12 EDT 2018


The article referenced below by David is really good and really scary!

The article can be downloaded but requires that you identify yourself so 
they can send by email a link to download the article. Look here and 
read down the list to the sixth article available for download:

https://foresiteinc.com/resources/

Look for the article titled, "Low Voltage, the Incompetent Ignition 
Source – Dispelling the Myth."

While this article is focused on problems resulting from use of no-clean 
solder fluxes commonly used today, note that activated rosin fluxes, if 
not thoroughly cleaned after soldering, leave the activation chemicals 
on the board.

Larry



On 5/14/2018 9:56 AM, Van Horn, David wrote:
> There's a great article out there on the web. It takes a bit of digging, but the title is "Low voltage, the incompetent ignition source".
> They discuss fires on PCBs caused by trace contaminants and dendrite growth.  A PCB with sustained flame is shown, powered by a lithium coin cell....

-- 
Best wishes,

Larry McDavid W6FUB
Anaheim, California  (SE of Los Angeles, near Disneyland)


-- 
Best wishes,

Larry McDavid W6FUB
Anaheim, California  (SE of Los Angeles, near Disneyland)



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