Record Display for the EPA National Library Catalog

RECORD NUMBER: 483 OF 833

OLS Field Name OLS Field Data
Main Title Low frequency automated magnetic field calibration system /
Author Ludwigsen, Arthur P. ; Ludwigsen, A. P.
CORP Author Office of Radiation Programs, Las Vegas, NV.
Publisher GPO,
Year Published 1983
Report Number EPA/520/6-85/020
Stock Number PB85-227908
Subjects Nonionizing radiation. ; Electromagnetic fields.
Additional Subjects Magnetic fields ; Calibrating ; Environmental impacts ; Computer programs ; Helmholtz coils ; Survey monitors ; HP-9845B computers
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB85-227908 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 01/01/1988
Collation 84 pages : illustrations
Abstract
The report describes the construction of an automated absolute magnetic field generation system using a 0.5 meter radius Helmholtz coil. The system operates over a frequency range of dc to 20 kHz and can generate field strengths up to approximately 1 Gauss RMS. The theoretical fields in the region surrounding the coil were calculated and compared with measurement. The system is used for the evaluation of broadband survey meters and calibrated antennas.
Notes
"EPA/520/6-85/020." "December 1983." Microfiche.