Accession Number : ADA111852

Title :   Radar Frequency Radiation.

Descriptive Note : Rept. for Feb 78-Sep 81,

Corporate Author : ROME AIR DEVELOPMENT CENTER GRIFFISS AFB NY

Personal Author(s) : Malowicki,Edward

PDF Url : ADA111852

Report Date : Nov 1981

Pagination or Media Count : 183

Abstract : A method is presented for the determination of radar frequency radiation power densities that the PAVE PAWS radar system could produce in its air and ground environment. The effort was prompted by the concern of the people in the vicinity of OTIS AFB MA and BEALE AFB CA about the possible radar frequency radiation hazard of the PAVE PAWS radar. The method is based on the following main assumptions that: (a) the total field can be computed as the vector summation of the individual fields due to each antenna element; (b) the individual field can be calculated using distances for which the field point is in the far field of the antenna element. An RFR computer program was coded for the RADC HE 6180 digital computer and exercised to calculate the radiation levels in the air and ground space for the present baseline and the possible Six DB and 10 DB growth systems of the PAVE PAWS radar system at OTIS AFB MA. The average radiation levels due to the surveillance fence were computed for three regions: in the air space in front of the radar, at the radar hazard fence at OTIS AFB MA and at representative ground points in the OTIS AFB vicinity. It was concluded that the radar frequency radiation of PAVE PAWS does not present a hazard to personnel provided there is no entry to the air hazard zone or to the area within the hazard fence. The method developed offers a cost effective way to determine radiation levels from a phased array radar especially in the near field and transition regions.

Descriptors :   *Antenna radiation patterns, *Radiation hazards, *Phased arrays, *Radiation dosage, *Field intensity, Air space, Near field, Ground level, Far field, Level(Quantity), Antenna components, Radiation, Hazards, Personnel, Transitions, Environments, Regions, Computer programs, Surveillance, Radar, Fences, Frequency, Air

Subject Categories : Radiobiology
      Active & Passive Radar Detection & Equipment
      Radiofrequency Wave Propagation

Distribution Statement : APPROVED FOR PUBLIC RELEASE