[time-nuts] ARRL 2006 Frequency Measuring Test
hmurray at suespammers.org
Wed Oct 18 17:00:29 EDT 2006
> You might also be interested in the 2005 analysis page (linked from
> the URL above) -- some statistical analysis indicates that W1AW was
> actually about 0.4 Hz off in the frequency they reported on 160M.
What are the theoretical limits?
If I only have N seconds of a signal, that sets a lower limit on the
bandwidth as the signal has to turn on and back off. Is there a simple
rule-of-thumb? Is it seconds or cycles that matters? (Does it scale by the
How stable in the atmosphere? If the propagation path changes during a
measurement the receiver will see a Doppler shifted version of the signal.
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