[Elecraft] OT: Changes at WWV, WWVB

Phil Wheeler w7ox at socal.rr.com
Sat Nov 29 10:57:16 EST 2014


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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