Brenda Ann wrote:
You do realize that GPS does not work inside most buildings?

Sure, and do you realize that 60kHz signals don't work in many
buildings, around a lot of modern electronic equipment and so on?

If it produces noise that interferes with an AM radio, it will interfere
with a 60kHz clock. CFL's are especialy bad.

Even if the signal did reach here, which according to the NIST it
won't, nothing could receive it over the noise.

Geoff.

--
Geoffrey S. Mendelson, Jerusalem, Israel N3OWJ/4X1GM
IL Voice: (07)-7424-1667 U.S. Voice: 1-215-821-1838
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Geoffrey S. Mendelson wrote:


If it produces noise that interferes with an AM radio, it will interfere
with a 60kHz clock. CFL's are especialy bad.


This has not been my experience. I have CFLs everywhere except in the
fridge and in the oven. They don't make any significant noise. My
neighbors' lamp dimmers and motion detectors produce way more noise than
my RF light bulbs.

I have an "atomic" clock on my bench at work, inside a steel framed
office structure, inside a big tilt-up warehouse, and that clock manages
to set itself about 3 times a week.

GPS receivers cannot run for a year on a single AA battery.