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#11
January 24th 07, 11:55 PM
posted to rec.radio.amateur.antenna
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Antennas led astray
Cecil Moore wrote:
wrote: Are you saying you don't believe that is the definition of the second since 1967 or that you don't understand the definition? The definition is relative, not absolute. If the relative speed of the earth is changing, then the length of a second is also changing and we would have no way of knowing. The speed of the Earth relative to what? But since the second is defined in the inertial frame of the Earth, it doesn't matter. Why do you think GPS satellites correct for their velocity and gravity relative to the geoid? BTW, you do know the second at sea level is different than the second on top of a mountain due to gravity? -- Jim Pennino Remove .spam.sux to reply. |
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