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April 5th 07, 04:00 PM
posted to rec.radio.amateur.antenna
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Not understanding some parts of wave refraction
On 5 Apr 2007 07:36:49 -0700, "MRW" wrote:
c = f*w (c = m/s, f = frequency, w = wavelength) This frequency is relevant ONLY for vacuum (or with a very, very slight alteration) air. Now, it may seem that all air is air, but no. There are slight variations here too that on the global scale small shifts make large changes. Those small shifts are accounted for by pressure, water content (vapor), and temperature. 73's Richard Clark, KB7QHC |
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