On 11/29/14 12:57 AM, David Anderson wrote:
I would venture to say that most clocks that have stopped working as well as 
they did in the past would be because of an increase in interference levels due 
to our modern digital lifestyles and poor enforcement of EMC standards, not the 
change of the WWVB modulation to add PSK which is backwards compatible to the 
old scheme.
You sure have that right re interference due to modern digital lifestyle, David. My always-reliable Casio Pathfinder watch updated great until I added a Time-Warner converter in my bedroom a couple of months ago. It updates fine if the converter is unplugged, not at all if it is plugged in. OTOH -- other electronics nearby, including a Roku and old 9" CRT TV, don't impede the update. So mostly the TW converter is unplugged and I use the Roku for watching TV in bed at night.

73, Phil W7OX
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