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Time delay spread and signal level measurements were made in a multistoried office building in New York City at 850 MHz and 1.7 GHz. No significant statistical difference in time delay spread was found at the two frequencies. The maximum root-mean-square time delay spread at both frequencies did not exceed 100 ns. Attenuation was very nearly the same at the two frequencies, within the limits of the experiment's accuracy.
Date of Publication: 2 Feb. 1989