Record Display for the EPA National Library Catalog


Main Title Report on an automated calibration range for broadband isotropic probes. /
Author Johnson, Jerry.
Other Authors
Author Title of a Work
Johnson, Jerry.
CORP Author Office of Radiation Programs-Las Vegas Facility, NV.
Publisher U.S. Environmental Protection Agency, Office of Radiation Programs Nonionizing Radiation Branch,
Year Published 1985
Report Number EPA-520/6-85-021
Stock Number PB85-231470
OCLC Number 41634512
Subjects Probes (Electronic instruments)--Calibration ; Electromagnetic fields--Measurement--Equipment and supplies--Calibration
Additional Subjects Probes ; Calibrating ; Electromagnetic radiation detection ; Amplification ; Horns ; Surveying instruments ; Evaluation ; Frequency response ; Isotropy ; Electromagnetic radiation ; Radiation measuring instruments ; Computer applications ; Microwave radiation hazard
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
ELBD ARCHIVE EPA 520-6-85-021 Received from HQ AWBERC Library/Cincinnati,OH 10/04/2023
NTIS  PB85-231470 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 67 pages illustrations ; 28 cm
The report describes the construction of an automated absolute field generation system using standard gain horns and an anechoic range. The system operates in the frequency range of 1.12 to 26.5 GHz. The primary purpose of the range is automated evaluation of the frequency response and isotropy of various commercially available microwave hazard survey meters.
"EPA/520/6-85/021. "June 1985." Includes bibliographical references, page 54.
Contents Notes
The Nonionizing Radiation Branch of the U.S. Environmental Protection Agency conducts a program to assess environmental exposure levels of radiofrequency fields and to develop regulatory standards to limit the exposure of the general population to these fields. An essential element of this program is the maintenance of an electromagnetic field measurement instrumentation calibration and evaluation capability. This report describes a development project of a standard gain horn anechoic range system for evaluating the response of broadband, isotropic microwave measurement probes to accurately know electromagnetic fields. This prject involved the development of a computer controlled system for generating, known electromagnetic field intensities. This system provides a convenient and accurate method to evaluate measurement probe response to microwave fields and therefore establish uncertainty limits for instrument readings obtained in hazard survey measurements.