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open access

Climatic Charts and Data of the Radio Refractive Index for the United States and the World

Description: From Introduction: "This Monograph has as its purpose the compilation and analysis of the extensive radio refractive index data available within the Central Radio Propagation Laboratory of the National Bureau of Standards. This will be accomplished by presenting both tabulations of basic data for specific locations and charts for interpolation to any location."
Date: November 25, 1960
Creator: Bean, B. R.; Horn, J. D. & Ozanich, A. M., Jr.
open access

An Experimental Study of Phase Variations in Line-of-Sight Microwave Transmissions

Description: From Introduction: "The purpose of this report is to present an analysis of time variations in: (1) the phase (relative to a stable phase reference) if a 9414 Mc/s signal transmitted over this path, referred to hereafter as single-path phase data; (2) the phase observed at one receiving antenna relative to that observed at an adjacent antenna, referred to as phase difference data; (3) atmospheric refractivity as recorded by a microwave refractometer located at the Haleakala terminal; (4) the wi… more
Date: November 1, 1961
Creator: Norton, K. A.; Herbstreit, J. W.; Janes, H. B.; Hornberg, K. O.; Peterson, C. F.; Barghausen, A. F. et al.
open access

Corrosion of Steel Pilings in Soils

Description: From Introduction: "In this paper are presented the results obtained to date from the inspections of steel pilings. The investigation will be continued by additional inspections of pilings in other parts if the country in order to cover a wider range of soil environments."
Date: October 24, 1962
Creator: Romanoff, Melvin
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