Scanning height for ANSI C63.5 calibrations

Author

Cavcey, Kenneth E. ; Camell, Dennis G.

Author_Institution

Nat. Inst. of Stand. & Technol., Boulder, CO, USA

Volume

2

fYear

1998

fDate

24-28 Aug 1998

Firstpage

935

Abstract

The configuration of antennas at an open area test site (OATS) for calibrations results in constructive and destructive electric fields. Regardless of the calibration method used, the antenna to be calibrated should be located where the field varies slowly. We derive the conditions for a slowly varying field near the location of constructive interference as a function of the height of the transmitting antenna and the field geometry. We show experimental data taken by keeping the receiving antenna fixed per the ANSI standard and scanning the transmitting antenna in height. Repeatability of antenna factor data is improved to less than ±0.3 dB by avoiding nulls in the field

Keywords

ANSI standards; antenna testing; calibration; electric field measurement; electric fields; electromagnetic interference; test facilities; transmitting antennas; ANSI C63.5 calibrations; antenna factor data repeatability; antennas configuration; constructive electric fields; destructive electric fields; field geometry; open area test site; receiving antenna; scanning height; slowly varying field; transmitting antenna height; Antenna measurements; Antennas and propagation; Calibration; Dipole antennas; Geometry; Interference; Measurement standards; Open area test sites; Receiving antennas; Transmitting antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Electromagnetic Compatibility, 1998. 1998 IEEE International Symposium on

Conference_Location

Denver, CO

Print_ISBN

0-7803-5015-4

Type

conf

DOI

10.1109/ISEMC.1998.750333

Filename

750333