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Technical Note (NIST TN)

RF Material Characterization Using a Large-Diameter (76.8 mm) Coaxial Air Line

February 1, 2000

Author(s)

Chriss A. Jones, John H. Grosvenor Jr, Claude Weil

We report the development of a 76.84 mm (3.025 in) diameter coaxial air line system whose purpose is to measure the dielectric and magnetic properties of bulk

Bose-Einstein Condensation at JILA and the National Institute of Standards and Technology, Volume II: Attainment of Bose-Einstein Condensation and Exploration of Condensate Physics

January 1, 2000

Author(s)

Charles W. Clark, Eric A. Cornell, Paul S. Julienne, William D. Phillips

Bose-Einstein Condensation at JILA and the National Institute of Standards and Technology,

January 1, 2000

Author(s)

Charles W. Clark, Eric A. Cornell, Paul S. Julienne, William D. Phillips

Comparison of Passive Intermodulation Measurements for the U. S. Wireless Industry

October 1, 1999

Author(s)

Jeffrey Jargon, Donald C. DeGroot

In response to requests by U.S. industry and members of the International Electrotechnical Commission, the National Institute of Standards and Technology

The Switched Coupler Measurement System for High Power RF Calibrations

July 1, 1999

Author(s)

J. W. Allen

High-Dimensional Empirical Linear Prediction (HELP) Toolbox User's Guide, Version 2.2

May 1, 1999

Author(s)

Andrew D. Koffman, T. M. Souders, Gerard N. Stenbakken, Hans Engler

This user's guide will assist software users in the understanding of the theory and procedures underlying the High-dimensional Empirical Linear Prediction (HELP

An Analysis of Efficiency Testing Under the Energy Policy and Conservation Act: A Case Study with Application to Distribution Transformers

April 1, 1999

Author(s)

Ken L. Stricklett, M Vangel, O. Petersons

The protocols for efficiency testing promulgated by 10 CFR part 430 and established under the Energy Policy and Conservation Act of 1975 as amended (EPCA) are

Dielectric and Magnetic Properties of Printed Wiring Boards and Other Substrate Materials

March 1, 1999

Author(s)

James R. Baker-Jarvis, Billy F. Riddle, Michael D. Janezic

This is an overview of dielectric and magnetic material measurements on printed wiring board and substrate materials. The most commonly used methods are

Stripline Resonator for Electromagnetic Measurements of Materials

February 23, 1999

Author(s)

Chriss A. Jones, Y. Kantor, John H. Grosvenor Jr, Michael D. Janezic

A stripline resonator was used to measure the relative dielectric and magnetic properties of materials in the frequency range from 150 MHz to 2 GHz. Measurement

The NIST Microwave Power Standards in Waveguide

February 1, 1999

Author(s)

J. W. Allen, Fred R. Clague, N T. Larsen, M. P. Weidman

The National Institute of Standards and Technology (NIST) microwave power standards in waveguide consist of automated microcalorimeters and associated transfer

Evaluation of the NASA Langley Research Center Mode-Stirred Chamber Facility

January 1, 1999

Author(s)

John M. Ladbury, Galen H. Koepke, Dennis G. Camell

We performed extensive tests on three mode-stirred (reverberation) chambers operated by the High Intensity Radiation Laboratory located at the National

Electromagnetic Theory of Reverberation Chambers

December 1, 1998

Author(s)

David A. Hill

This report presents the electromagnetic theory of reverberation chambers as applied to electromagnetic compatibility measurements.

Electrical Properties and Dielectric Relaxation of DNA in Solution

November 1, 1998

Author(s)

James R. Baker-Jarvis, Chriss A. Jones, Billy F. Riddle

In this report we overview and summarize the electrical properties and dielectric relaxation of solvenated DNA.

Uncertainty Assessment for Standard Antenna Measurements on the Open Area Test Site

September 1, 1998

Author(s)

Dennis G. Camell

The National Institute of Standards and Technology calibrates electromagnetic compatibility antennas using the standard antenna method. This method uses a

Fujita Tornado Intensity Scale: A Critique Based on Observations of the Jarrell Tornado of May 27, 1997 (NIST TN 1426)

July 1, 1998

Author(s)

Long T. Phan, Emil Simiu

On May 27, 1997, several tornadoes hit the Central Texas area in the counties of McLennan, Bell, Williamson, and Travis. The most destructive of these tornadoes

A Portable Calibrator for Across-the-Road Radar Systems

May 1, 1998

Author(s)

Arthur Ondrejka, Robert T. Johnk

Optical Fiber Connectors: An Interlaboratory Comparison of Measurements of Endface Geometry

April 1, 1998

Author(s)

Timothy J. Drapela

An interlaboratory measurement comparison, dealing with geometrical parameters of convex spherically polished optical fiber connector ferrule endfaces, was

Metering of Fluids at High Velocities with Vortex Shedding Flowmeters

March 1, 1998

Author(s)

James D. Siegwarth

Uncertainties in NIST Noise-Temperature Measurements

March 1, 1998

Author(s)

James P. Randa

Uncertainty analyses are presented for NIST measurements of noise temperature. All systems currently used in NIST calibrations of thermal-noise sources are

Thermophysical Properties of Helium-4 from 0.8 to 1500 K with Pressures to 2000 MPa

February 19, 1998

Author(s)

V D. Arp, R D. McCarty, Daniel G. Friend

Gases for Electrical Insulation and Arc Interruption: Possible Present and Future Alternatives to Pure SF₆

February 12, 1998

Author(s)

Loucas G. Christophorou, James K. Olthoff, David S. Green

Study of an Underexpanded Annular Wall Jet Past an Axisymmetric Backward-Facing Step

February 11, 1998

Author(s)

Pedro I. Espina, U Piomelli

Time-Domain Calibrations of D-Dot Sensors

February 1, 1998

Author(s)

Robert T. Johnk, Arthur Ondrejka

This Tech Note covers in detail the procedures that are necessary to measure the receive transfer function of a broadband electric-field sensor using direct

Field Modeling: Simulating the Effects of HVAC Induced Air Flow From Various Diffusers and Returns on Detector Response. International Fire Detection Research Project. Year 4 Report/Data

January 1, 1998

Author(s)

J H. Klote, William D. Davis, Glenn P. Forney, Richard W. Bukowski

Rapid activation of fire protection systems in response to a growing fire is one of the important factors required to provide for life safety and property

Precision Spectroscopy, Diode Lasers, and Optical Frequency Measurement Technology

January 1, 1998

Author(s)

Leo W. Hollberg, Richard W. Fox, S Waltman, Hugh Robinson

Calibration Service for Laser Power and Energy at 248 nm

January 1, 1998

Author(s)

Rodney W. Leonhardt

This document describes the calibration service provided by the National Institute of Standards and Technology (NIST) for laser power and energy at the excimer

Selected Thermodynamic Properties for Mixtures of R-32 (Difluoromethane), R-125 (Pentafluoroethane), R-134A (1,1,1,2-Tetrafluoroethane), R-143A (1,1,1-Trifluoroethane), R-41 (Fluoromethane), R-290 (Propane), and R-744 (Carbon Dioxide)

December 1, 1997

Author(s)

C D. Holcomb, Joe W. Magee, Jennifer L. Scott, Stephanie L. Outcalt, William M. Haynes

Gases for Electrical Insulation and Arc Interruption: Possible Present and Future Alternatives to Pure SF₆

November 1, 1997

Author(s)

Loucas G. Christophorou, James K. Olthoff, David S. Green

The electric power industry's preferred gaseous dielectric (besides air), sulfur hexafluoride (SF6) has been shown to be a greenhouse gas. In this report we

NIST Measurement Assurance Program for Resistance

November 1, 1997

Author(s)

Paul A. Boynton, June E. Sims, Ronald F. Dziuba

The National Institute of Standards and Technology (NIST) offers resistance Measurement Assurance Program (MAP) transfers at the 1 ohm and 10 k ohm levels, to

Noise-Temperature Measurement System for the WR-28 Band

August 1, 1997

Author(s)

James P. Randa, L. A. Terrell

The NIST Noise Project has constructed and tested a radiometer for the measurement of noise sources in the WR-28 waveguide band (26.5 GHz to 40 GHz). It is a